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| Number | Title | Issue Date |
| 7686852 | Monoazo dyes Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates. ... | 03/30/2010 |
| 7354572 | Method of dyeing keratin-containing fibres A method of dyeing keratin-containing fibers, especially human hair, which comprises using dyes of formula (1), wherein X− is an anion. ... | 04/08/2008 |
| 7241319 | Dye composition comprising at least one polycationic direct dye, dyeing processes, uses, and multi-compartment devices Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col (I) in which Col, which may be identical ... | 07/10/2007 |
| 7186276 | Dye composition comprising at least one direct dye, dyeing processes, uses and multi-compartment devices Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col (I) in which Col, which may be identical ... | 03/06/2007 |
| 7169194 | Dye composition comprising at least one particular tricationic direct dye, dyeing process, use and multi-compartment devices A dye composition for dyeing human keratin fibers, such as hair, comprising at least one direct tricationic dye of formula (I) below: Col—Z—Col (I) wherein: Col, which may be identical or differ... | 01/30/2007 |
| 7166711 | Cationic dyes The present invention relates to novel cationic dye of formula (1) wherein R1 and R7 are each independently of the other hydrogen, hydroxyl; unsubst... | 01/23/2007 |
| 7156885 | Hair coloring device Devices configured to permit the application of color to hair from a solid or semi-solid hair coloring composition and methods relating to use of such devices are disclosed. The device includes a support, and a solid or semi-solid hair coloring composition fixedly d... | 01/02/2007 |
| 7094262 | Dye composition comprising at least one particular dissymetrical polycationic direct dye, dyeing process, use and multi-compartment devices A dye composition for dyeing human keratin fibres, such as hair, comprising at least one dissymmetrical polycationic direct dye of formula (I) below: Col1-Z-Col2 (I) wherein: Col1 and Col2, wh... | 08/22/2006 |
| 7074245 | Modified regenerated cellulose fiber and fiber product thereof A modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixed spinning or union knitting/weaving. The modified regenerated cellulose fiber can be obtain... | 07/11/2006 |
| 6955693 | Dye composition and the use thereof A dye composition is disclosed, which comprises a blue anthraquinone dye of the following formula (I) wherein Y is —CH═CH2, —CH2CH2Cl or —CH2CH2OSO3 | 10/18/2005 |
| 6946412 | Flame-resistant, high visibility, anti-static fabric and apparel formed therefrom A fabric for use in safety apparel comprising a first set of yarns comprising modacrylic fibers, and a second set of yarns comprising anti-static fibers. The fabric meets the Federal Test Method Standard 191A, Method 5931 for electrostatic decay, and the Electrostat... | 09/20/2005 |
| 6821304 | Modified regenerated cellulose fiber and fiber product thereof The present invention simplifies the complicated dyeing process using a naphthol dye, and provides a modified regenerated cellulose fiber which enables dyeing in different colors by combining the modified regenerated cellulose fiber and other fibers by means of mixe... | 11/23/2004 |
| 6797015 | Method for producing transparent, colored cellulose sleeves Process for producing dyed, tubular food wrappings from non-woven fabric coated with regenerated cellulose, characterized in that an alkaline dye liquor containing at least one dye which has been previously converted into an alkali-soluble form by chemical reduction... | 09/28/2004 |
| 6793689 | Dyed cellulosic moulded bodies The present disclosure relates to novel dyed cellulosic moulded bodies, in particular to fibers or films, containing a heavy-metal-containing colorant, which, according to the thermal stability test described herein, reduces the rise temperature of a cellulose solut... | 09/21/2004 |
| 5865858 | Aminated cellulosic synthetic fibers Aminated cellulosic synthetic fibers are produced by adding an amine-substituted cellulose derivative to a viscose or an alkali cellulose and spinning fibers by the viscose spinning process, or by adding said cellulose derivative to a cellulose solution a... | 02/02/1999 |
| 5851239 | Spin dyeing process with dyeing salts Process for preparing colored regenerated-cellulose fiber, which comprises adding a formulation comprising a cationized polysaccharide and an anionic dye to a viscose dope, an alkali cellulose or a cellulose solution and spinning fiber by a viscose spinni... | 12/22/1998 |
| 5725607 | Method for reducing the toxicity of spent liquors and novel cationic dyes There has been found 1) a method for reducing the toxicity of spent liquors from dyeing with cationic dyes or mixtures thereof, characterized by the step of dyeing with cationic dyes having a computed electrostatic shielding energy (idealized hydration en... | 03/10/1998 |
| 5651794 | Dyeing of cellulose Dyed cellulosic regenerated elongate members such as fibers are produced by dyeing the regenerated members with a cationic direct dye after formation but before first drying. A method of producing the dyed elongate members comprises forming a dope contain... | 07/29/1997 |
| 5613987 | Colored high-tenacity filaments of polyethylene and process for their production There is disclosed a colored high-tenacity fiber of ultra-high molecular weight polyethylene which is obtainable by spinning a solution of ultra-high molecular weight polyethylene and a dye for coloration to form solvent-containing filaments and drawing t... | 03/25/1997 |
| 5580354 | Process for reducing the fibrillation tendency of solvent-spun cellulose fibre A process is disclosed for providing a solvent-spun cellulose fibre with a reduced fibrillation tendency. The fibre is treated with a chemical reagent, preferably substantially colourless, having 2 to 6 functional groups reactive with cellulose, suitably ... | 12/03/1996 |
| 5565007 | Amination of rayon Modified rayon is produced by adding a modifier to a cellulose solution and spinning fibers from the solution, or by adding a modifier to an alkali cellulose solution or material, xanthating and spinning fibers by the viscose spinning process, wherein the... | 10/15/1996 |
| 5542955 | Dyeing modified viscose fibers with acid or direct dyes Process for dyeing regenerated cellulose fibers, which comprises adding an amine-substituted cellulose derivative to a viscose dope or to an alkali cellulose and spinning fibers by the viscose spinning process, or adding said cellulose derivative to a cel... | 08/06/1996 |
| 5538519 | Production of colored silk filament Described is a method for producing a colored silk filament by having a colorant solution absorbed through the spiracles of each silkworm larva and then allowing the larva to secrete the colored silk filament through the spinneret thereof. In this method,... | 07/23/1996 |
| 5529585 | Rayon modified with polymeric amine compounds Modified cellulose fiber is produced by adding a modifier to a cellulose solution and spinning fibers from the solution, or by adding a modifier to a viscose solution and spinning fibers by the viscose spinning process, said modifier being a polymeric ami... | 06/25/1996 |
| 5074889 | Aromatic polyamide fibers and method of printing such fibers with acid dyes in the presence of hexamethylene diamine dihydrochloride impregnated in fiber A diamine salt and a surfactant are imbibed into never-dried aromatic polyamide fibers which may be printed or overprinted with acid dyes, after drying.... | 12/24/1991 |
| 4985046 | Process for preparing poly (paraphenylene terephthalamide) fibers dyeable with cationic dyes There is provided by this invention a process for preparing poly(paraphenylene terephthalamide) fibers dyeable with cationic dyes. The process comprises soaking poly(paraphenylene terephthalamide) fibers in sulfuric acid, washing the fibers and dipping th... | 01/15/1991 |
| 4976744 | Preparation of concentrated solutions of cationic dyes as mono-carboxylates in glycol ether Concentrated solutions of cationic dyes are prepared by treating the cationic dyes, which contain as the counterions the anions customarily present during their preparation, with alkali metal salts of monocarboxylic acids and with or without complexing ag... | 12/11/1990 |
| 4732573 | Novel dye salts of cationic dyes, having thiocyanatometallate or cyanatometallate complex anions for spin dyeing acid modified polyacrylonitrile Dye salts of a mono- or polycationic dye where the anion conforms to a general formula (1) or (2) in which Me in the formula (1) is the divalent zinc cation, the divalent iron cation, the divalent cobalt cation, the divalent tin cation or the divalent cop... | 03/22/1988 |
| 4681594 | Process for disperse dyeing dry-spun atactic polyvinyl chloride-based filaments and fibres before drawing The invention relates to a process for continuous dyeing of filaments based on atactic polyvinyl chloride in the course of their production. The undrawn filaments are impregnated with a composition containing at least one plastosoluble dye while they have a de... | 07/21/1987 |
| 4681595 | Process for disperse dyeing dry-spun atactic polyvinyl chloride-based filaments and fibres after drawing the wet tow The present invention relates to a process for continuous dyeing of filaments based on atactic polyvinyl chloride in the course of production. It comprises, in succession, the phases of drawing, impregnation of the filaments by padding while, at the time of th... | 07/21/1987 |
| 4668234 | Aromatic polyamide fibers and process for stabilizing such fibers with surfactants 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.... | 05/26/1987 |
| 4607071 | Process for spin-dyeing of acid-modified polymers of copolymers of acrylonitrile using rapid-fixing di-quaternary cationic dyes Improvement of a process for spin-dyeing acid-modified polymers or copolymers of acrylonitrile in which cationic quaternary dyestuffs are added to the spinning mass and spun according to the wet-spinning procedure. The improvement is characterized by usin... | 08/19/1986 |
| 4600407 | Process for the production of swellable filaments, fibers and shaped structures of acrylic polymers, and the products obtained thereby The invention relates to a process for the production of swellable filaments, fibers and shaped structures of acrylic polymer, by reacting the free carboxyl groups of the filament-forming substance with substances which react in a basic manner, with water... | 07/15/1986 |
| 4591361 | Method of producing acrylonitrile-base in-line dyed fibers using rapidly alternating dye solution cross flow The invention is concerned with a method of producing in-line dyed fibers, in a gel state, characterized in that it essentially consists of extruding the spinning dope in a coagulum bath, stretching the resulting filaments, scrubbing said filaments to rem... | 05/27/1986 |
| 4563191 | Process for dyeing, in the gel state, fiber material composed of wet spun acrylonitrile polymers using dyes with two basic groups Fiber material composed of acid-modified homopolymers or copolymers of acrylonitrile (PAC fibers) which has been obtained by a wet spinning process, has not been dried and is still in a swollen condition (gel form), can be dyed advantageously and in fast ... | 01/07/1986 |
| 4557732 | Process for spin-dyeing of acid-modified polymers of acrylonitrile by the wet-spinning procedure using quaternary ammonium or cyclammonium dyestuffs of low M value and high cation weight having two or three said ammonium or cyclammonium groups Improvement of a process for spin-dyeing acid-modified polymers or copolymers of acrylonitrile in which cationic quaternary dyestuffs are added to the spinning mass and spun according to the wet-spinning procedure. The improvement is characterized by usin... | 12/10/1985 |
| 4445904 | Process for continuously dyeing in the gel state fiber material of acrylonitrile polymers spun from organic solvents with carbinol- or anhydro base of basic dye A process for the continuous dyeing of fiber material of one or more acid-modified polymers or copolymers of acrylonitrile in the gel state, said fiber material having been produced by wet spinning from a spinning solution containing one or more organic s... | 05/01/1984 |
| 4382801 | Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion The invention relates to a process for spin dyeing polymers of acrylonitrile or copolymers containing predominantly acrylonitrile, which process comprises adding to the spinning solution a monocationic dye salt of the formula ##STR1## wherein D ... | 05/10/1983 |
| 4266940 | Method for dyeing acrylonitrile polymer and copolymer fibres There is disclosed a process for the coloration of wet spun acrylic and modacrylic fibres in the gel form which comprises using a cationic dye, or its dye bases, which are substantially insoluble in water but soluble or partly soluble in organic solvents.... | 05/12/1981 |
| 4108936 | Process for dyeing wet-spun aromatic polyamides in gel form The invention relates to a process for the production of dyed filaments from aromatic polyamides which are not modified with acid or basic groups.... | 08/22/1978 |
