United States. Census Office (12th census : 1900).

Bulletins of the twelfth census of the United States : issued from October 6, 1900 to [October 20, 1902] ... number 4 [-247] online

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Online LibraryUnited States. Census Office (12th census : 1900)Bulletins of the twelfth census of the United States : issued from October 6, 1900 to [October 20, 1902] ... number 4 [-247] → online text (page 61 of 222)
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The furnace employs rotatable electrodes arranged in a horizontal plane (like
a pair of rollers) with mechanism for rotating the same, and means for feeding
the prepared material between the electrodes.

590,826— September 28, 1897. J. D. DARLING. Porous diaphragm for electrolytic

apparatus.

It consists of a support having a granular filling of a vitrified oxide or oxides
substantially resistant to combination or fluxing by a fused hydroxide under the
conditions of electrolysis. Magnesia or other earthy oxides, as those of calcium
or barium, may be fused in an electric furnace, crushed, and granulated to pass
a twenty -mesh sieve.

592, 80g— November 2, 1897. N. MARCHAL. Electric diaphragm.

It consists of a plate cut from limestone, or is formed of equivalent integral
natural alkaline-earth carbonate, as of a paste of pulverized limestone and
burned magnesia, compressed.

595,712— December 21, 1897. J. E. HEWES. Electric furnace.

The furnace has an upper suspended electrode, a regulator for the same, and
means for imparting thereto a longitudinally reciprocating motion whereby the
furnace becomes self-stoking and the agitation prevents crystallization of the
carbide.

597 ,1,76— January 18, 1898. T. L. WILLSON. Electric furnace.

A feed flue delivers material against the side of an upright movable carbon
pencil. A removable crucible hearth having an outer flange, has a circuit-
connecting clamp of special form engaging with said flange.

597 ,880— January 25, 1898. W. S. HORRY. Electric furnace.

A bottomless hopper has inclined electrodes supported on the walls of the
hopper, and a rotatable receptacle (a spool-like structure) arranged below said
hopper with plates removably applied to the periphery of the receptacle (spool)
and forming the outer wall of the hearth.

597, 9k5— January 26, 1898. C. S. BRADLEY. Electric furnace.

The furnace is carried by a wheel turning on a horizontal axis, giving a con-
tinuousdownward movement of the charge relative to the electrode, by a move-
ment of rotation. Removable rim sections form the receptacle for the charge,
which is continuously fed in on one side of the periphery, and the product
removed on the other.

598,318— February 1, 1898. J. E. HEWES. Electric furnace.

The material is laterally fed from a supply chamber into the field of the
electrodes by a reciprocating rammer, the latter being controlled by fluctu-
ations in the current.

601,567— March 29, 1898. C. L. WILSON, C. MUMA, J. W. UNGER, H. SCHNEC-
KLOTH, A. P. BROSIUS, and J. C. KUCHEL. Electric furnace for manufac-
turing calcium carbid.

The furnace has a base electrode and an upper vertically movable electrode
having a number of longitudinal flues extending therethrough with a like
apertured block of insulating material superposed. The charge, in the form of
sticks of compressed lime and carbon, is fed into the flues of the upper elec-
trode, the sticks resting on the base electrode.

602,815— April 19, 1898. G. G. CLARK. Electric furnace.

Relates to details of construction, including a revoluble pot electrode and a
scraper for feeding the material inward toward the arc.

60S,05S— April 26, 1898. H. ELDRIDGE, D. J. CLARK, and S. BLUM. Electrical
retort.

Relates to structural details of an apparatus for making hydrogen from water
by heat of an arc and electrolytic action.

609, 7 IS— August 2S, 1898. W. G. LUXTON. Diaphragm for electrolytic purposes.

It is made of a composition of cement, sand, and a porous material, such as
gypsum, lime, coke, etc., mixed with water and allowed to set; the diaphragm



having pores through the substance of the porous material and interstices
between the cement and the other constituent particles due to the contraction
of the cement in drying or setting.

611,11,2— September 20, 1898. R. PIGNOTTE, F. LORI, S. REGNOLI, M. BESSO,
AND M. PANTALEONI Electric furnace.

It relates to the structural details of a furnace involving, with other details, a
carbon-bottom electrode having an opening closed with a lever-operated carbon
plug, a suspended electrode, feeding mechanism, and a gas-heated chamber for
preheating the material.

612,91,8— October 25, 1898. L. BRESSON. Electric furnace.

A crucible having axial openings for electrodes and carrying a feed hopper
can be tilted to discharge its load. Inwardly projecting electrodes are coupled
by levers which permit of a parallel vertical movement of their extremities and
maintenance of the arc as the charge rises in the crucible.

616,906— January 3, 1899. J. A. DEUTHER. Electric furnace.

Relates to special details, including a fan to supply the material to the arc and
telescopic wall sections. ..

618,891— January 31, 1899. H. BOVY. Electric furnace.

The furnace has an inclined floor formed of a series of carbon block electrodes
with intermediate filling of carbon powder. These electrodes are made incan-
descent by the flow of the current through to upper electrodes and the charge.

621,908— March 28, 1899. H. H. DOW. Porous diaphragm for electrolytic cells and

method of producing same.

The diaphragm is composed of two layers; that on the cathode side composed
of a chemical substance that will consume halogens by chemical action, and
the layer on the anode side composed of a different chemical substance that will
not be consumed by free halogen and containing a substance with which any
soluble alkali diffusing from the cathode side will readily combine chemically
(e. g.; Iron hydrate on the anode side and calcium and magnesium hydrates on
the cathode side) . Two part diaphragms, in cells for the electrolytic production
of chlorine, are formed wholly by the action of electrolysis on the cell contents,
by eleetrolyzing a solution containing sodium, magnesium, and calcium chlo-
rides, and introducing into the neighborhood of the anode a soluble iron salt,
whereby the hydrates of iron, calcium, and magnesium are precipitated to form
in place a coherent porous diaphragm.

625,252-May 16, 1899. H. ELDRIDGE, D. J. CLARK, AND S. BLDM. Electric

furnace.

Relates to structural details, including a fume-collecting hood.
628,782— July 11, 1899. . J. J. FAULKNER. Electric furnace.

It relates to structural details, including a normally stationary electrode and
a series of opposing electrodes with specific means for automatically adjusting
each of the latter, including spring-actuated plungers. A tilting hearth is
mounted beneath the electrodes.

629,008— July 18, 1899.
substances.



O. FROLICH. Apparatus for distilling metals or similar



An electric crucible furnace has a tubular electrode and a condensing
chamber carried by and above the same. The material surrounds the tubular
electrode and condensing chamber which receives the distilled metals, the
molten products being tapped off below.

630,283— August 1, 1899. W. BORCHERS. Method of and apparatus for utilizing

waste gases and heat from electric furnaces.

The furnace, or a series of electric furnaces, are incased in a steam generator,
each furnace having a dust filter for the gases generated.

630,966— August 15, 1899. L. K. BOHM. Carbid furnace.

It relates to details of the furnace pot or carbide tank, which has bottom
grooves in which fit ribs of a supporting plate, to facilitate the withdrawal of
the pot.

636,956— November Ik, 1899. F.G.CURTIS. Process of making battery cups.

Clay is mixed with a solution of water and hydrate of potassium and an
electric current passed through the mixture, reducing the clay from a granular
state to a powder paste by reason of the hydrogen being set free. It is then
molded into cups and baked.

61,1,276— January 16, 1900. J. D. DARLING. Porous diaphragm for cells employ-
ing fused electrolytes.

It consists of a suitable support and a filling of Portland cement and a pow-
dered oxide substantially resistant to combination or fluxing by the fused elec-
trolyte, as ground-burned magnesite.

6kl,kS8— January 16, 1900. J. D. DARLING. Electrolytic apparatus.

In an electrolytic apparatus using a porous diaphragm with a metallic wall
a small percentage of the currentr— say 5 per cent^-is shunted through the
wall of the diapnragm, by connecting it with the positive pole, to prevent
destructive electrolytic action.

61,1,976— January 23, 1900. R. H. LAIRD. Down-draft electrical furnace.

A water- jacketed furnace stack has a series of spirally arranged, downwardly
inclined electrodes.

6kS, 25k— February IS, 1900. A. J. PETERSSON. Electric furnace.

The electrodes are at the ends of a flat hearth and covered by the reduced
material so that the heat is developed by the resistance of the reduced material
and the unreduced material is reduced solely by contact therewith The
hearth chamber may be movable, and an upper chamber has flues within the
charge which receive and burn the generated gases.

6k7 ,61k— April 17, 1900. M. RUTHENBURG. Electric furnace.

A quadrilateral bosh, open at top and bottom, laterally incloses the opposed
electrodes; and a crucible directly beneath the bosh has an overflow outlet at its
top.

651,916— June 19, 1900. J. ZIMMERMAN AND I. S. PRENNER Furnace for oro-
ducing calcium carbid. r

The charge, supported by a strip (stiff paper) that is projected coincident with

the feed of the material, is continuously fed into the horizontal arc of an electric

furnace. Compressing and feed mechanism is provided for the mixed lime and

carbon and feed lor the traveling flexible support.

6.'2 fill-June 26, 1900. J. HARGREAVES. Combined diaphragm and electrode.
A. stratified diaphragm-electrode, dense as to one side and porousas to the other
ih formed by covering wire cloth or perforated plate with a thin layer of clay or
equivalent material adapted temporarily to perform a retentive function and



DIGEST OF PATENTS RELATING TO CHEMICAL INDUSTRIES. 205



ultimately to be dissolved or washed away, then applying a coating of Portland
cement or like hard or dense material to one face, and covering : trfe latter with
asbestos cloth or equivalent soft or porous material.

65U,U63—July 21>, 1900. H. LELEUX. Electric furnace.

Relates to details of the attachment of the vertical electrode to its hanger the

ol e ±™ < !, e , b t e H nBf< l rnle<i « , f cores, of carbon of high conductivity bounded by
agglomerated carbon of lower conductivity. "'

m &ris! V U ' m °' J ' MACTEAR ' ^™ ace /<"' bating and treating gaseous

The apparatus has a chamber with a removable cover and bottom, and gas
inlet and outlet flues, a catalytic substance contained in the chamber and re-
fractory tubes depending from the cover with electrical resistances within the

lUDGS.

655,779-August Ik, 1900. W. S. HORRY. Control of electric furnaces.

An electrically controlled motor actuates the movable member of the furnace,
as the movable receptacle, and an electro-mechanical device under the control
of the furnace circuit controls the motor to keep the amperes constant, a switch
being provided for controlling the motor by hand and for cutting in and out
the said electro-mechanical devices.

655,780— August Ik, 1900. W. S. HORRY. Electric furnace.

Relates to mechanism for controlling the movable element in response to pre-
determined variations in the furnace circuit, and keeping the furnace current
approximately constant.

656,600— August 21, 1900. R. DOOLITTLE. Means for ■manufacturing carbids.

A smelting furnace for the process of No. 656,599.
656,930— August 28, 1900. W. BORCHERS. Electric furnace.

The furnace has an inclined water-jacketed column forthe product below the
hearth, a supporting roller for the carbide core, and a chisel for breaking ud the
carbide.

657,736— September 11, 1900. W. S. HORRY. Electric furnace.

A carbide furnace having a vertically movable bottom to support the product
and charge, and means for clamping and temporarily holding the column of
finished product to allow for the removal of the bottom portion thereof and the
running up of the furnace bottom; thus permitting a continuous downward
feed and delivery.

657,911— September 18, 1900. G. D. BURTON. Apparatus for separating metals
from ores by electricity.

The reducing chamber has a cylindrical body of electro-conductive resistance
material resting on a flat electrode which forms the bottom of the chamber and
from which it can be lifted to deliver the charge, the other electrode clamping
the chamber under a projecting flange.

658,315— September 18, 1900. A. H. COWLES. Electric furnace.

The electric furnace chamber is flanked by two fuel chambers and means is
provided for causing a reversing flow of gas through hot-blast stoves, the fuel
chambers, and the electric furnace.

GROUP XI.— DYESTUFFS AND EXTRACTS.
NATURAL, INORGANIC.

557,325— MarchSl, 1896. G. D. BURTON. Art of and apparatus for electro-dyeing.

See Group X, Electro-chemistry.

557,321,— March 31, 1896. G. D. BURTON. Art of electric dyeing.

See Group X, Electro-chemistry.

NATURAL, ORGANIC.

951— September 27, 1858. L. KENT. Improvement in the mode of extracting color

from dyewood.

The ground wood is leached with steam, the liquor being drawn off into a
boiler, the steam therefrom returned into the wood, and the coloring matter
dried.

U,192— September 13, 18kS. F. PFANNER. Improvement in preparation of dyestuff

from spent madder.

Dyestuff or carasene is obtained from spent madder by the chemical action of
water, sulphuric acid, and an alkali.

50,k95 — October 17, 1865. G. H. REED. Improved preparation and manufacture of

dyes and colors.

Liquid dyes from vegetable or mineral coloring matters, so mixed and prepared
with concentrated mordants as to endure heat and cold and keep without
change, and to dye silk or wool at one application.

7 k,9S5— February 25, 1868. A. PARAF. Improved process of separating coloring

matter from madder and other plants.

The coloring matter is liberated from the ligneous matter by the solution of
the cellulose, as by steeping the madder root in aqueous ammonia in the
presence of metallic copper, and the separation of the coloring matter from the
insoluble compounds formed. The sugary matter is first removed by successive
washings.
76,107— March 31, 1868. C. SEIDEL. Improved vegetable coloring matter.

An indelible vegetable fluid consisting of the pigment of the cashew nut in a
menstrum solvent, as oil of turpentine.

81,992— September 8, 1868. C. E. & M. E. FOX. Improved dyestuff.

The extract of manzanita, a red coloring matter, obtained by crushing and
boiling the roots.
83,182— October 20, 1868. J. LIGHTFOOT. (Bevssue: 3,617— September 28, 1869.)

Improvement in printing certain textile fabrics and yarns.

The indigo preparation is modified, by employing much less tin, whether as
oxide or in the state of salt, in the process of dissolving the indigo; and, in
connection with such modified preparation, carbonate of potash, alkaline sili-
cates, or the chemical equivalents of them are used in simultaneously fixing
indigo blue or green, or both, in juxtaposition with ordinary madder mordants.

56,047— January 19, 1869. T. WEBER. Improved indigo dye.

A dyeing compound obtained by dissolving the hydrated oxide of tin and
common indigo m caustic lye.



86,939— February 16, 1869. A. PARAF. Improved process of extracting the coloring
■matter of madder.

The coloring matter is extracted from madder root by treatment with water
at a high temperature— 150° C— and it is then precipitated from the liquid.

93,900— August 17, 1869. A. PARAF. Improved material for dyeing and printing,
obtained from madder.

Tinctorine, the coloring matter of madder root, combined with fatty or resin-
?. T US ?i a "® rs ' and £ree oi Pectic acid or its compounds, produced according to

95,039— September 21, 1869. A. PARAF. Improved extract of madder for dyeing

A compound extract of madder (as tinctorine, No. 93,900), with an alkaline
base and a volatile acid, such as the acetate of potash or acetate of lime, which
will decompose after printing and permit the alkaline base to develop the

97, 197— December 7, 1869. J. GEE. Improved process of dyeing black.

The fabric is first run through a mixture of extract of logwood and sulphate
of copper, and is then treated with the sizing material mixed with bichromate
of potash. For fabrics which have to be sized twice, the logwood and sul-
phate of copper is mixed with sizing.

99,i96— February 1, 1870. G. W. TALBOT. Improvement in dyes for coloring wool.
A dye for coloring is produced by combining extracts made from domestic
barks, woods, or plants with the foreign dyes, such as fustic, madder, nutgalls,
logwood, etc., producing a dye having less stringent power than the domestic
extracts alone and more permanence than the foreign dyes.

109,189— November 22, 1870. S.BORDEN. Improvement in the preparation of qar-
ancine.

The coloring matter contained in garancine is eliminated by the combined
or separate action of hard soap and chlorate of potash.

110,99k— January 17, 1871. A. PARAF. Improvement in material called "Ole-
izerine," for dyeing and printing.

Anew compound of the coloring matter of madder with oily matter, prepared
by treating garancine with petroleum in which parafline has been dissolved. A
caustic-soda solution is added to cause the coloring matter to separate from the
hydrocarbon solvent, and it is precipitated with an acid.

110,995— January 17, 1871. A. PARAF. Improvement in processes of extracting the
coloring matter of madder.

The coloring matter of madder is extracted by means of a liquid hydro-
carbon.

113,918 — April 18, 1871. A. PARAF. Improvement in products from madder.

"Oil-izarine," produced by treating garancine with a hydrocarbon, such as
kerosene, and consisting of a solution of the coloring matter of madder within
insoluble matter.

117 ,620— August 1, 1871. F. GRAUPNER. Improvement in compounds for dyeing.
A combination of sulphate of copper, muriatic acid, and zinc. Added to a
dye of logwood and catechu, it dyes cotton black.

120,392 — October SI, 1871. A. PARAF. Improvement in compositions of madder for

dyeing.

Alizaride, a compound of the coloring matter of madder with a neutral alkali
and with ammonia.

13li,69A— January 7, 1873. G. MOLT. Improvement in indigo-blue vats for coloring

wool and cotton.

Indigo is dissolved in a composition formed by mixing a solution composed of
lime and soda ash, with a solution composed of muriate-of-tin crystals and soda
ash.

13k,876— January Ik, 1873. L. G. FELLNER. Improvement in the extract of yucca.
The yucca root is ground, steeped in water, and pressed, and the solution
evaporated to dryness in molds, or melted in forms. Yuccatin cleanses skins,
hair, and wool without destroying their softness.

139,056— May 20, 1873. F. A. GATTY. Improvement in dyeing madder colors.

Cotton fabrics or yarns are treated with neutral soap or emulsions of fatty
acids, or of oils or fats, either saponified or in their natural state, in lieu of
dunging.

139,573— June 3, 1873. F. G. GRAUPNER. Improvement in dyeing fabrics.

Oxyduloxyd of iron, or anvil dust, is combined with muriatic acid as a base
for dye. It is combined with quercitron and logwood to form a black, slate, or
drab dye.

167,360— August 31, 1875. J. S. SELLON AND R. PINKNEY. Improvement in

dyeing and printing.

A dyeing or printing compound, consisting of the salts or compounds of
vanadium and animal dyeing or printing materials, such as cochineal.

169,377 — November 2, 1875. W. H. SEAMAN. Improvement in processes for testing

the purity of dye in black silk thread or fabrics.

A fixed quantity of the black silk thread or fabric is treated in a chemical
liquid, of which oxalic acid is the base to ascertain the purity of the dye.

175,829— April 11, 1876. W. H. FISH. Improvement in dyes.

An indigo-dye aqueous solution, composed of indigo and zinc dust, together
with bisulphite of soda and caustic soda.

179,939 — July 18, 1876. G. MOLT. Improvement in blue dyes.

It is composed of indigo, 1 pound; caustic potash, 2 pounds; and water enough
to dissolve; heated to boiling point, with 2J pounds of oxalere, 5 pounds of
liquid ammonia, and 2 pounds of sal ammoniac.

210,280— November 26, 1878. E. & H. WELLS, A. E. RICHARDSON, AND W. J".

VAN PATTEN. Improvement in refining and packing catechu.

Refined and concentrated catechu, incased in a tight integument, is made by
liquefying with water and heat, introducing steam of a high temperature,
skimming, straining, and settling, and drawing off, while still liquid, into boxes,
preferably of paper.

220,638 — October U, 1879. G. MOLT. Improvement in compound dyes.

An indigo dye, consisting of indigo (XX), 50 pounds; caustic soda, 25 pounds;
tin crystals, 5 pounds; and a sirup made by boiling hops, madder, bran, and
molasses in water.



206



MANUFACTURING INDUSTRIES.



240,487— April 19, 1881. G. SCHWARZWALD. Composition for printing textile

fabrics.

It consists of powdered almond shells, water, hydrochloric acid, coloring
matter, gelatine, oxidized metal powder, and bichromate of potassa.

272,490— February 20, 188S. H. W. VAUGHAN. Method of preparing dyestuffs

for application to fibrous materials.

The coloring matter, with or without a mordant, is ground with an oleagi-
nous constituent, as paraffine oil, and a pulverulent material is then incorpo-
rated therewith, to enable the mass to be worked in a finely powdered condition.

276,061— April 17, 1883. A. M. MEINCKE. Dyeing compound.

It consists of corn meal, highly concentrated cudbear, indigotine, acid
magenta, wool orange, and imported cudbear.

982,971— August U, 188S. C. D. EKMAN. Method of obtaining coloring matters.
The raw vegetable material is boiled under pressure in a solution containing
sulphurous acid and a base or alkali, as soda.

306,434— October 24, 188k. M. E. SAVIGNY. Process of making extracts for dye-
ing, etc.
Tannic woods or plants colored yellow are crushed and boiled with an oil or

fatty body saponified with an alkaline solution or with a soap solution, the

clear liquor being drawn off and evaporated.

306,435— October 24, 1881,. M. E. SAVIGNY. Dyeing extract.

A soap extract from yellow-colored tannin woods or plants of a yellowish-
brown color and brittle texture; the product of process No. 306,434.

308,706— December 2, 1881,. M. E. SAVIGNY. Dyeing extract.

An acid extract produced from so-called "red-colored tannic woods and
plants" by disintegration and fermentation or oxidation with acids. A soap
extract is secured from the residue, or in conjunction with the fermentation or
acid oxidation in one operation.

320,526— June 23, 1885. C. E. AVERY. Process of preparing logwood extract.

Logwood liquors, or extracts of the same, after their extraction from the wood
and before they are mingled with the necessary mordants, are oxidized by the
formation of hsematein from hematoxylin by the action of oxidants, such as
solution of bleaching powder, hypochlorous acid, chloric acid, chlorates or
nitrates of the alkalis, and alkaline earths.

SS8,iSl-March 23, 1886. A. MORAND. Art of clarifying extracts.

An alkaline solution of caseine is mingled with the acidulous tannin or like
extract in sufficient proportions to neutralize the free acid, and the precipitate
separated from the clarified extract.

356,368— January 18, 1887. J. A. MATHIEU. Manufacture of dyestuffs.

In the manufacture and purification of lac dyes, the material is treated with
turpentine or other solvent; the residuum treated with water and an ajkali;
neutralized with an acid; the precipitation completed by the addition of acetate
of lead; and the precipitate treated with dilute sulphuric acid.

386,933— July Sl x 1888. F. E. SCHMtJCKERT. Process of preparing a solution of

indigo for dyeing purposes.

A woad-bath for dyeing with indigo is prepared by mixing guano salts with
water, adding zinc dust and indigo, or other bodies having an affinity for
oxygen, and then heating the mixture.

1,17, b92— December 17, 1889. W. W. MACFARLANE. Process of preparing logwood

extracts.

Logwood extract is treated with free chlorine, as a gas or in solution, to
increase its dyeing power.

137,638— September SO, 1890. A. AINSWORTH. Indigo solution.

A solution for reducing indigo for dyeing purposes is prepared by saturating
a solution of sodium bisulphite with metal filings, separating the liquor, adding
sodium sulphide till the formation of precipitate ceases, filtering, and adding



Online LibraryUnited States. Census Office (12th census : 1900)Bulletins of the twelfth census of the United States : issued from October 6, 1900 to [October 20, 1902] ... number 4 [-247] → online text (page 61 of 222)