Nonionic Emulsifiers For Dyeing Patents (Class 8/907)
  • Patent number: 8597374
    Abstract: Compositions are provided for spray dyeing of a cellulosic, such as cotton, fabric or garment. The compositions include a reactive dye, a wetter, an alkali, and water. The present compositions are made by first mixing the reactive dye, the wetter, and the water to form a solution, and thereafter adding the alkali to the solution.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: December 3, 2013
    Assignee: HBI Branded Apparel Enterprises, LLC
    Inventor: Ruth E. May
  • Patent number: 8568492
    Abstract: A method of making a composition for spray application onto surfaces of a cotton fabric includes mixing together a wetter, a reactive dye and water to form a first solution, adding a thickener into the first solution for between about five minutes and sixty minutes to form a partial composition, and adding an alkali with the partial composition to complete the composition.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: October 29, 2013
    Assignee: HBI Branded Apparel Enterprises, LLC
    Inventors: Ruth E May, Martin Bentham
  • Patent number: 7829517
    Abstract: The present invention relates to a solid laundry detergent composition comprising non-ionic detersive surfactant and reactive dye.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: November 9, 2010
    Assignee: The Procter & Gamble Company
    Inventor: Alan Thomas Brooker
  • Patent number: 7169193
    Abstract: There are provided compositions for improving the washfastness and color intensity of colored fibers, especially keratin fibers, which comprise a) at least one sugar surfactant chosen from the group consisting of alkyl and alkenyl oligoglycosides or fatty acid N-alkylpolyhydroxyalkylamides and b) at least one fatty acid partial glyceride.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: January 30, 2007
    Assignee: Henkel Kommanditgesellschaft Auf Aktien (Henkel KGAA)
    Inventors: Astrid Kleen, Horst Hoeffkes, Christa Rohland, Bianca Frauendorf
  • Patent number: 6726731
    Abstract: The present invention relates to a fabric treatment composition comprising surfactant, fabric substantive dye and dye auxiliary agent. The fabric treatment composition of the invention can be used to change, refresh or maintain the color of fabric.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: April 27, 2004
    Assignee: Procter & Gamble Company
    Inventors: Robert Michael Pettifer, Shirley Summers, Peter Gerard Gray
  • Patent number: 6616706
    Abstract: A process for making a hair colorant composition involving: (a) providing a phase inversion temperature emulsion or microemulsion containing: (i) an oil component; and (ii) an emusifier selected from the group consisting of an alkyl and/or alkenyl oligoglycoside, an anionic surfactant, an esterquat, a polyolpoly-12-hydroxystearate, a fatty alcohol, a fatty alcohol polyethylene glycol ether, and mixtures thereof; (b) providing a dye component; and (c) combining (a) and (b) at a temperature of from 15 to 25° C.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: September 9, 2003
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Joerg Kahre, Peter Busch, Thomas Foerster, Hermann Hensen, Holger Tesmann, Markus Sumser, Adrian Pitfield
  • Patent number: 6149850
    Abstract: A process for introducing additives into a polymer melt comprising dispersing at least one additive in an at least partially volatile liquid vehicle with a dispersant and a stabilizer for the dispersion; feeding the resulting dispersion to a vented extruder which is extruding a polymer; and removing the fed volatiles through the extruder vent to achieve a substantially homogeneous system containing the polymer and at least one additive is disclosed.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: November 21, 2000
    Assignee: BASF Corporation
    Inventor: Oliver Keith Gannon
  • Patent number: 6113656
    Abstract: A method for exhaust dyeing a polyester or polyester blend textile article with a disperse dye is provided whereby the article is first treated with an aliphatic amine to reduce the tensile strength of the polyester fibers, followed by dyeing the fabric in a bath containing from 1.0 to 3.0 weight percent based on the weight of the fabric, of a compound selected from the group consisting of:(a) C.sub.8 -C.sub.16 aliphatic fatty acid ethoxylates having from 5 to 15 ethylene oxide residues;(b) C.sub.8 -C.sub.16 alcohol ethoxylates having from 5 to 15 ethylene oxide residues; and(c) C.sub.8 -C.sub.16 aliphatic amine ethoxylates having from 5 to 15 ethylene oxide residues,to achieve a spot free, level dyed fabric, with reduced pilling tendencies.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: September 5, 2000
    Assignee: Milliken & Company
    Inventor: William C. Kimbrell
  • Patent number: 6099594
    Abstract: Synthetic fibers and synthetic fiber textile materials finished with mineral oil finishes, silicone oil finishes or both can be simultaneously stripped of these finishes and dyed in one liquor comprising as essential ingredientsa) anionic and/or amphoteric surfactants,b) dyes, andc) optionally further compounds selected from the group consisting of the nonionic surfactants, the terpene hydrocarbons/alcohols, sorbitol esters and their alkoxylates, fatty acid ethanolamides, alkylpolyglycosides and solvents.The treatment is carried out at pH 4.0 to 7.5 at 80-110.degree. C. and at a liquor ratio of 5:1 to 100:1.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: August 8, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ferdinand Kummeler, Klaus Walz, Michael Pirkotsch, Josef Pfeiffer, Fritz Lesszinsky
  • Patent number: 5746778
    Abstract: A wood stain which is water-based, which is suitable for staining wood, and which is comprised of water; at least one dye selected from the group consisting of azo, diazo and triarylmethane dyes; and a stabilizing agent which is effective to reduce free iron ion concentration in the stain when in contact with an autoclave composed of non-rust resistant steel during the staining process. The stabilizing agent includes at least one buffer effective to maintain the pH of the wood stain at greater than 7.0. Alternatively or additionally, the stabilizing agent includes at least one complexing agent which forms a complex with iron ions.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: May 5, 1998
    Assignee: A.W. Faber-Castell Unternehmensverwaltung GmbH & Co.
    Inventors: Axel Jankewitz, Gerhard Lugert
  • Patent number: 5716418
    Abstract: A composition and process for coloring keratin-containing fibers wherein the composition comprises: (a) an alkyl glycoside of the formula (I):R.sup.1 --O--(G).sub.x --H (I)wherein R.sup.1 is a linear or branched alkyl or alkenyl radical having from 12 to 16 carbon atoms, (G) is an anhydroglucose unit, and x is a number from about 1 to about 2.5; (b) an oxidation dye precursor; and (c) a water-based carrier.
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: February 10, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Iduna Matzik, Horst Hoeffkes, Detlef Hollenberg, Reinhard Mueller, Manuela Ehlert, Christa Schramm
  • Patent number: 5697984
    Abstract: Dye preparations comprising one or more dyes with no water-solubilizing groups in the molecule from the class of the metal complex azo dyes or the metal phthalocyanines and reaction products between from 1 to 50 mol of ethylene oxide and 1 mol of castor oil are useful for coloring granular or pulverulent substrates and for preparing aqueous dye preparations useful in printing inks.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: December 16, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Swatzina, Karin Heidrun Beck, Christos Vamvakaris, Juliane Krusemann
  • Patent number: 5634949
    Abstract: Cellulosic textiles are printed or dyed with multiple hook reactive dyes without fabric hand harshening on using a reactive dye preparation containing 0.5 to 10% by weight of a surfactant and 0 to 10% by weight of an antifoaming agent.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 3, 1997
    Assignee: Hoechst AG
    Inventors: Kurt Hohmann, Peter Mischke, Gerd Pelster, Horst-Roland Mach
  • Patent number: 5609651
    Abstract: The oxidation hair dye composition is made by mixing a viscous creamy hair dye-containing carrier and a fluid preparation in a weight ratio of dye-containing carrier to fluid preparation of 2:1 to 1:3. The viscous creamy hair dye-containing carrier has a viscosity of at least 10,000 mPa.s and contains 0.01 to 12 percent by weight of a combination of developer substance and coupler substance and 15 to 60 percent by weight of a thickener mixture containing fatty alcohols having from 10 to 24 carbon atoms, fatty acid esters, petrolatum, thickened polyacrylic acid derivatives, nonylphenol ethoxylated with 2 to 8 moles of ethylene oxide, fatty acids, starch and/or spermaceti. The fluid preparation contains 0.1 to 20 percent by weight of an oxidizing agent and 0.01 to 6 percent by weight of a nonionic polymer of formula (I),R--(O--CH(CH.sub.3)--CH.sub.2).sub.x --(O--CH.sub.2 --CH.sub.2).sub.
    Type: Grant
    Filed: October 24, 1995
    Date of Patent: March 11, 1997
    Assignee: Wella Aktiengesellschaft
    Inventors: Herbert Mager, Johann Aeby
  • Patent number: 5603735
    Abstract: Water-immiscible solvent dyes are mixed with citrus solvents and non-ionic surfactants to form a water-reducible true dye solution containing at least 35 wt % of the water-immiscible dye. The dye solution is dispersible in water and infinitely reducible.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: February 18, 1997
    Assignee: Morton International, Inc.
    Inventors: Alejandro Zimin, Sr., Peter A. Caputo
  • Patent number: 5567206
    Abstract: A wood stain which is water-based, which is suitable for staining wood, and which is comprised of water; at least one dye selected from the group, consisting of azo, diazo and triarylmethane dyes; and a stabilizing agent which is effective to reduce free iron ion concentration in the stain when in contact with an autioclave composed of non-rust resistant steel during the staining process. The stabilizing agent includes at least one buffer effective to maintain the pH of the wood stain at greater than 7.0. Alternatively or additionally, the stabilizing agent includes at least one complexing agent which forms a complex with iron ions. A method for staining wood includes placing the wood into an autoclave composed of non-rust-resistant steel; submerging the wood in the wood stain; and staining the wood under pressure and temperature conditions effective therefor.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: October 22, 1996
    Assignee: A.W. Faber-Castell Unternehmensverwaltung GmbH & Co.
    Inventors: Axel Jankewitz, Gerhard Lugert
  • Patent number: 5540739
    Abstract: A process for dyeing textile materials of naturally occurring and synthetic polyamide fibres, in which dyeing is carried out at the boiling point of the dyebath during a short dyeing time which is therefore gentle on the fibres, and level dyeings having good fastness properties are obtained (high temperature rapid dyeing process).The dyeing process is carried out with dyebaths with comprise specific surfactants. A high degree of exhaustion of the dye liquors is achieved, and dyeing from static baths is thus rendered possible.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: July 30, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Klaus Hannemann, Franz Gruner, Martin Jollenbeck, Jorg Binz
  • Patent number: 5509940
    Abstract: The present invention provides a process for dyeing hydrophobic polymer fibers, including the step of contacting the goods with an amount of a dyeing solution effective to dye the goods, wherein the solution comprises an amount of a terpene/terpenoid solvent and a dyestuff. The present invention also provides a composition for dissolving and dispersing a dyestuff for dyeing hydrophobic polymer fibers, including effective amounts of a terpene/terpenoid solvent for dissolving the dyestuff.
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: April 23, 1996
    Assignee: Arrow Engineering, Inc.
    Inventors: Jack J. Zbar, Robert B. Collier, Philip G. Carlson
  • Patent number: 5476519
    Abstract: Water insoluble or sparingly soluble dyestuffs such as disperse dyes as concentrates for making up dyebaths or for use as printing pastes, and optical brightening agents for laundry detergents are formulated as stable suspensions in aqueous structured surfactants.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: December 19, 1995
    Assignee: Albright & Wilson, Limited
    Inventors: William P. Haslop, Jill E. Newton, Richard M. Clapperton
  • Patent number: 5462565
    Abstract: The new process for dyeing polyamide fibers with acid dyestuffs, in which small amounts of metal salts are added to the dyebath, gives dyeings having improved lightfastness.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: October 31, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Rohr, Martin Riegels, Sylvia Lohmann
  • Patent number: 5376148
    Abstract: There is disclosed a process for printing synthetic fibre by transfer printing, which comprises using a printing paste comprising(a) a water-soluble polymer that contains sulfo groups, and one or more than one component selected from the group consisting of(b) a deaerator,(c) an anionic or nonionic dispersant, and(d) a C.sub.1 -C.sub.3 alkanol.Tinctorially strong, patterned prints on a white ground of good levelness, good fastness properties and sharp contours are obtained with the process of this invention. The printing pastes are distinguished by good homogeneity, excellent storage properties and simple handling.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: December 27, 1994
    Assignee: Ciba-Geigy Corporation
    Inventor: Paul Schafflutzel
  • Patent number: 5358538
    Abstract: A process for the production of a black coloring material characterised by treating a compound selected from finely powdered sugar, protein and a polyamide polymer, having amino groups with a naphthoquinone derivative represented by the general formula (1): ##STR1## wherein R.sub.1 represents a hydrogen atom, a hydroxyl group, a halogen atom, or a group represented by the following formula: ##STR2## wherein R.sub.2 represents a hydrogen atom or a hydroxyl group, R.sub.3 represents an alkyl group, an alkenyl group or a hydroxylalkyl group, and n represents 1 or 2; cosmetics comprising a black coloring material produced by the above process; and a process for staining a substrate using the obtained black coloring material.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: October 25, 1994
    Assignee: Ihara Chemical Industry Co., Ltd.
    Inventors: Susumu Shimoyama, Ujo Maeda, Keiko Maeda, Yasuko Noda, Kunio Kataoka, Eiichi Eto, Satoru Shimoyama, Tasuku Shimoyama
  • Patent number: 5356445
    Abstract: The invention relates to a process for dyeing natural or synthetic polyamide fiber material from an aqueous liquor, in the presence of a levelling assistant and in the presence or absence of an alkali metal fluorosilicate or ammonium fluorosilicate, which process comprises the use of a mixture of the dyes of formulae (1), (2) and (3) or a mixture of the dyes of formulae (4) and (5), or a mixture which contains the dye of formula (6) together with at least one dye of formulae (7), (8) and (9), which dyes of fomaulae (1) to (9) are as defined in claim 1.The inventive process is suitable for dyeing natural or synthetic polyamide fiber material to give dyeings of fiber and surface levelness having good fastness properties.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: October 18, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian De Meulemeester, Patrick Runser
  • Patent number: 5209758
    Abstract: The invention relates to novel pasty or solid dye melts which contain, per 1 part of a sparingly water-soluble or water-insoluble dye whose melting point is higher than 150.degree. C., 2 to less than 5 parts of a nonionic surfactant with a melting point of 25.degree.-100.degree. C. and having an HLB value of 13 to 19 or of a cationic surfactant with a melting point of 25.degree.-100.degree. C., or a mixture of said surfactants, to a process for their preparation and to the use of said melts, preferably for dyeing and printing polyester materials, to give level dyeings having a high degree of exhaustion.
    Type: Grant
    Filed: December 4, 1991
    Date of Patent: May 11, 1993
    Assignee: Giba-Geigy Corporation
    Inventors: Rainer H. Traber, Ulrich Strahm
  • Patent number: 4985045
    Abstract: A monoazo dyestuff composition comprising at least two different individual compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2, independently of each other, are linear or branched alkyl having 1 to 4 carbon atoms and R is linear or branched alkyl having 1 to 5 carbon atoms, and where said individual compounds differ from each other in at least the R moiety, has improved dyeing properties compared with the individual dyestuffs when used to dye or print hydrophobic fiber materials.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: January 15, 1991
    Assignee: Cassella Aktiengesellschaft
    Inventors: Ulrich Buhler, Klaus Hofmann
  • Patent number: 4803008
    Abstract: An aqueous cleaning composition comprising a surfactant; up to about 50% of a higher boiling solvent, typically an alkyl ether of an alkylene glycol, said solvent introducing impurities into the composition in an amount and of a nature normally chemically incompatible with oxidizable dye chromophores; a dye in an amount to provide a desired tinctorial value, and a stabilizer selected from the group consisting of salts suitable to provide iodide and thiosulfate anions in an amount effective to retard fading of the dye, said compositions having a basic pH when the stabilizer is the thiousulfate salt. In another aspect of the invention, the stabilizer incorporated into compositions containing a solvent, a surfactant, and water, and optionally a dye provides a beneficial cleaning result. In yet another aspect of the invention, the stabilizer beneficially retards the development of malodors when the compositions of the present invention are contained in a PVC container.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: February 7, 1989
    Assignee: The Drackett Company
    Inventors: Laura A. Ciolino, Shaun F. Clancy
  • Patent number: 4715863
    Abstract: A process is described for dyeing hydrophobic fibre material with unfinished disperse dyes from an aqueous liquor, which comprises dissolving one or more such dyes in water at a temperature of 50.degree. to 150.degree. C. by means of a surfactant or surfactant mixture with a hydrotroping or solubilizing action on disperse dyes, bringing the dye solution together with the substrate in a dyeing apparatus, then heating the dyeing liquor to the dyeing temperature and completing the dyeing at that temperature and then removing the substrate and restoring the exhausted dyeing liquor to the original composition by adding water, surfactant and dye and using it again for dyeing.
    Type: Grant
    Filed: May 9, 1986
    Date of Patent: December 29, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Josef Navratil, Heinz Abel
  • Patent number: 4668234
    Abstract: An aromatic polyamide fiber containing a large amount of a surfactant, sufficient to enable it to be dyed a deep shade. The high surfactant level enables the fiber to be stabilized, at low temperatures, against progressive laundry shrinkage.
    Type: Grant
    Filed: June 12, 1986
    Date of Patent: May 26, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Eric Vance, Bruce A. Barton
  • Patent number: 4523923
    Abstract: The invention relates to solid disperse dye formulations which do not contain anionic dispersants and which comprise one or more disperse dyes having a particle size of less than 5 .mu.m, and one or more nonionic dispersants selected from the group of the fatty alcohol ethoxylates having a molecular weight of 800 to 2000, of the fatty amine ethoxylates having a molecular weight of 500 to 1000, and of the polyvinylpyrrolidones having a molecular weight of 10,000 to 25,000.These formulations are particularly suitable for preparing organic printing pastes and printing inks which contain synthetic thickeners and which are suitable for textile printing and for transfer printing.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: June 18, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Urs Buchel, Paul Muther
  • Patent number: 4472294
    Abstract: A fluorine-containing compound of the formula: ##STR1## wherein Rf is a C.sub.3 -C.sub.21 fluorine-containing group; R is a hydrogen atom or a C.sub.1 -C.sub.4 acyl group; Q is an aliphatic or aromatic hydrocarbon group having not more than twenty-one carbon atoms; and n is an integer of 1 to 10 lowers the surface tensions of water and/or organic liquids and the interfacial tensions between them.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: September 18, 1984
    Assignee: Daikin Kogyo Co., Ltd.
    Inventors: Iwao Hisamoto, Chiaki Maeda, Mitsuhiro Nishiwaki
  • Patent number: 4430250
    Abstract: The invention provides surface-active random oligomers of the general formula:R.sub.1 --O--C.sub.2 H.sub.3 (Z)--O].sub.n H (I)in which R.sub.1 denotes a linear or branched, saturated or unsaturated aliphatic hydrocarbon radical or a cyclo-aliphatic, aromatic or alkylaromatic radical containing 1 to 30 carbon atoms, Z denotes a group A and/or at least one group corresponding to the formula (II)R.sub.2 --O--C.sub.2 H.sub.3 (A)--O].sub.m CH.sub.2 -- (II)in which R.sub.2 denotes a hydrocarbon radical having the meaning indicated for R.sub.1 and containing a number of carbon atoms from 8 to 30, n denotes an average statistical value from 1 to 20, m denotes an average statistical value from 0.5 to 10 and A denotes a group of hydrophilic character. These oligomers can be used in cosmetic or pharmaceutical compositions.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: February 7, 1984
    Assignee: L'Oreal
    Inventors: Henri Sebag, Guy Vanlerberghe
  • Patent number: 4350493
    Abstract: The present invention provides a composition for dyeing or printing with disperse dyestuffs comprising(a) 70-87.5% by weight of an aromatic hydrocarbon mixture containing more than 30% by weight of a mixture of alkylbenzenes having two or more methyl groups or at least one ethyl, propyl or butyl group on the benzene nucleus, which aromatic hydrocarbon mixture has a boiling point range of from 160.degree. to 280.degree. C.;(b) 10 to 20% by weight of the condensation product of castor oil with 30 to 50 mols ethylene oxide;(c) 0.5 to 5% by weight of the condensation product of a fatty acid wih 5 to 8 mols ethylene oxide and(d) 2 to 5% by weight paraffin oiland the preparation is free from any anionic dispersing agent.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: September 21, 1982
    Assignee: Sandoz Ltd.
    Inventor: Hans-Peter Baumann
  • Patent number: 4349349
    Abstract: An aqueous liquid dye composition containing 10 to 50 parts by weight of C.I. Reactive Blue 19, 1 to 40 parts by weight of a condensation product of formaldehyde with naphthalenesulfonic acid which may be alkylated, 0.1 to 10 parts by weight of a nonionic surfactant having an HLB of 9 to 20, and 20 to 80 parts by weight of water. This liquid dye composition has a good storage stability, and shows a sufficient solubility in an aqueous alkali liquor so that it is particularly suitable for dyeing cellulosic fibers by a one-bath pad-batch method.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: September 14, 1982
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kiyoharu Nakatsuka, Sadaharu Abeta
  • Patent number: 4270916
    Abstract: Cationic or certain anionic dyes are rendered compatible with normally incompatible anionic and nonanionic polymers by the addition of certain surface active agents.
    Type: Grant
    Filed: September 6, 1978
    Date of Patent: June 2, 1981
    Assignee: Merck & Co., Inc.
    Inventor: Joseph S. Racciato
  • Patent number: 4258448
    Abstract: Water-soluble phosphoric acid esters which are prepared from polyols and/or epoxides, in some cases polycarboxylic acids or their derivatives and phosphoric acids in the molar ratio 1:(0 to 1.5):(0.05 to 1.5), the sum of the numbers of mols of the carboxylic acids and phosphoric acids being 2/3 to 3/2 of the number of mols of the alcohols, can be used as dispersing agents, liquefaction agents, levelling agents and emulsifiers and builders in detergents.
    Type: Grant
    Filed: June 13, 1978
    Date of Patent: March 31, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunther Reitz, Gunther Boehmke, Karlhans Jakobs
  • Patent number: 4252534
    Abstract: A dyeing assistat containing at least(a) an alkylbenzene or tetrahydronaphthalene (tetralin) or a mixture thereof,(b) an anionic surfactant,(c) a non-aromatic and water-immiscible solvent and optionally also(d) a polar solvent and/or(e) a non-ionic surfactant; this dyeing assistant can be used to promote the migration of the dyes and thus to improve the levelness and dye yield when dyeing synthetic fibre material, preferably polyester, in particular in the temperature range from 80.degree. to 130.degree. C.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: February 24, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Heinz Abel, Karlheinz Keller
  • Patent number: 4226597
    Abstract: Disclosed is a method of dyeing hydrophobic textile fibers, particularly polyesters, with disperse dyes using 2,4,4,4-tetrachlorobutyl acetate as a dye carrier. Also disclosed are dye carrier compositions comprising the above chemical in combination with at least one emulsifier.
    Type: Grant
    Filed: June 29, 1979
    Date of Patent: October 7, 1980
    Assignee: Olin Corporation
    Inventor: Richard L. Doerr