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| Number | Title | Issue Date |
| 7284852 | Fixative drying of fluid printed by an inkjet type printer A continuous print media printer prints inks and drying agents substantially simultaneously to aid drying of the inks. The drying agent may be a fixative. The inks and drying agent may be printed by different printheads, one located downstream of the other. ... | 10/23/2007 |
| 7235110 | Method for dyeing fabric materials with indigo, other vat dyes, and sulfur dyes A method for surface dyeing a range of textile materials, in the form of yarn, fabric, or garments, includes: a) preparing a dyebath including dye particles and an additive, such as an anionic acrylic copolymer, causing the particles to become charged; b) preparing ... | 06/26/2007 |
| 7195834 | Metallized conducting polymer-grafted carbon material and method for making A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 03/27/2007 |
| 7179307 | Use of an extract of in oxidation dyeing for dyeing keratin fibres Use of an extract of the plant Myrsine africana in oxidation dyeing for dyeing keratin fibers, a novel composition comprising this plant extract, a process for the oxidation dyeing of keratin fibers using this composition, as well as the colored products obta... | 02/20/2007 |
| 7175930 | Conducting polymer-grafted carbon material for fuel cell applications A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 02/13/2007 |
| 7033402 | Transposed process for making leather The present invention relates to a novel leather making process whereby the post-tanning wet operations are done prior to tanning stage itself to make leather in eco-friendly manner in substantially shorter duration. The present process reduces the number of require... | 04/25/2006 |
| 7029553 | Urea sulfate and urea hydrochloride in paper and pulp processing The present invention relates to the use of urea sulfate or urea hydrochloride, or both, in process streams in the paper and pulping industries to control pH, to bring about flocculation or precipitation of various materials, and to replace all or part of the sulfur... | 04/18/2006 |
| 7013838 | Bleached expanded pigskin and products Pigskin is processed to provide a bleached, expanded skin used in dog treat or chew products. The raw pigskin is dehaired and then daubed with an alkali mixture of an alkali liquid, alkali enzymes and lime, the mixture having a pH of greater than or equal to 12. The... | 03/21/2006 |
| 6974485 | Use of an extract of Myrsine africana in oxidation dyeing for dyeing keratin fibres Use of an extract of the plant Myrsine africana in oxidation dyeing for dyeing keratin fibres, a novel composition comprising this plant extract, a process for the oxidation dyeing of keratin fibres using this composition, as well as the coloured products obt... | 12/13/2005 |
| 6958308 | Deposition of dispersed metal particles onto substrates using supercritical fluids A method for producing dispersed metal particles on a substrate and the compositions produced is disclosed. A method for producing the particles comprises exposing an organometallic and a particulate substrate to supercritical or near supercritical fluid under condi... | 10/25/2005 |
| 6949630 | Cationic reactive dyes The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair. ... | 09/27/2005 |
| 6933014 | Peelable stenciling ink and method of using A peelable stenciling ink for imprinting indicia such as letters, numbers and symbols on a surface of an article such as a sport ball made of leather or a synthetic polymer, e.g., a thermoplastic material, consists of a solvent, a dye dispersed in the solvent, and a... | 08/23/2005 |
| 6916348 | Dyed leather and method for dyeing tanned leather Tanned leather is (a) pretreated in an aqueous and alkaline medium either with ammonia, primary amines or a mixture of ammonia and primary amines and then with a polyfunctional organic compound containing at least one aldehyde group as a functional group, or (b) in ... | 07/12/2005 |
| 6869453 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one nitrogen-containing heterocycle; (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at least one nitrogen-contai... | 03/22/2005 |
| 6805718 | Enzymatic method for textile dyeing The present invention relates to methods of dyeing a material which involve contacting the material with a dyeing system which comprises: (a) a mixture of (i) an aromatic diamine and (ii) one or more of a naphthol and an aminonaphthalene and (b) an oxidation system ... | 10/19/2004 |
| 6739263 | Printing process for absorbent substrate An artificial chamois leather type product is provided with a colour printed decoration on at least one face thereof, that face having material such as polyester chamois material (12) and the cover layer (10, 11), typically of a latex material is highl... | 05/25/2004 |
| 6736864 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one SO2C2H4 group which is attached to the chromphore moiety either directly via the sulphur atom of the SO2C2H4 group or via a linking group L; characterized in that at least one ... | 05/18/2004 |
| 6685746 | Impregnation of leather with micro-encapsulated material A material is impregnated into leather by incorporating the material into micro-capsules and then applying said micro-capsules to said leather material by means of a suitable process. A roller coating process is described in which the material is applied ... | 02/03/2004 |
| 6443998 | Trichromatic fiber dyeing processes and compositions thereof In one aspect, the invention provides a process for the trichromatic dyeing of polyamide textile fibers wherein the process comprises the steps of: a. providing at least one polyamide fiber; and b. contacting the at least one polyamide fiber with an aqueous dye sol... | 09/03/2002 |
| 6395040 | Process for producing leather A method for producing leather generally including the steps of: (a) providing wet blue, full grain skins, (b) applying a liquid chrome solution to the skins while at a pH of 3.5 or lower, (c) raising the pH level of the skins to at least approximately 6.... | 05/28/2002 |
| 6350862 | Reactive dye compounds Reactive Dye compound having formula (I) wherein: D is a chromophore group; L is a linking moiety; Q is a quaternized nitrogen derivative; X and Y are independently selected from chlorine, bromine, fluorine or hydrogen; A is selected from halogen, prefera... | 02/26/2002 |
| 6319289 | Organic compounds Compounds of formula (I) ##STR1## wherein A is hydrogen or a descretionary radical, a novel process for their preparation and their use for the dyeing of organic substrates.... | 11/20/2001 |
| 6296672 | Enzymatic method for textile dyeing The present invention relates to methods of dyeing a material which involve contacting the material with a dyeing system which comprises: (a) a mixture of (i) an aromatic diamine and (ii) one or more of a naphthol and an aminonaphthalene and (b) an oxidat... | 10/02/2001 |
| 6254644 | Biologically degradable leather The present invention relates to a process for preparing leather by (I) tanning a pelt with (a) an aldehyde, or (b) a bisulphite-blocked polyisocyanate; (II) optionally, retanning the pelt with (a) a polyaspartic acid, a salt of a polyaspartic acid, a polyaspartic acid ... | 07/03/2001 |
| 6080209 | Stable colorant compositions Stable aqueous dye compositions containing at least one anionic colorant and at least one pigment and a polyanionic thickening agent. The dye compositions may be used to dye leather.... | 06/27/2000 |
| 6036729 | Enzymatic method for textile dyeing The present invention relates to methods of dyeing a material, comprising (a) soaking the material in an aqueous solution which comprises one or more mono-, di- or polycyclic aromatic or heteroaromatic compounds; and (b) treating the soaked material in an... | 03/14/2000 |
| 6022383 | Processes for coloring leather by an ink-jet printing method using anionic coloring agents and cationic agents, and leather products obtained therewith A leather coloring process for carrying out coloring on a natural leather, or a natural leather which has been subjected to degreasing. The coloring process is accomplished by ink-jet coloring on at least a partial area of the natural leather.... | 02/08/2000 |
| 5972048 | Fiber-reactive triphendioxazine dyes, preparation thereof and use thereof Fiber-reactive triphendioxazine dyes, preparation thereof and use thereof Novel triphenoxazine dyes of the formula (1) ##STR1## where M is hydrogen or an alkali metal, m and n are each 1 or 2 and Y is 2,4,6-trifluoropyrimidinyl or a radical of the fo... | 10/26/1999 |
| 5964899 | Azo dyes, their production and use Azo dyes containing sulphur dye entities as a constitutional component are dyes of valuable properties, in particular for the dyeing of leather.... | 10/12/1999 |
| 5961669 | Acid donor process for dyeing polyamide fibers and textiles A process for dying materials containing natural or synthetic polyamides is disclosed. The process includes immersing the materials to be dyed in a dye bath containing an acid dye. The pH of the dye bath is initially at a level that substantially inhibits... | 10/05/1999 |
| 5948122 | Enzymatic methods for dyeing with reduced vat and sulfur dyes The present invention relates to methods for dyeing a material, comprising (a) treating the material with a dyeing system which comprises one or more reduced vat dyes and/or one or more reduced sulfur dyes; and (b) oxidizing the one or more reduced vat dy... | 09/07/1999 |
| 5948123 | Coloring method for hides A coloring method, wherein coloring agent or pigment is injected into active cells of an animal hide before the hide is harvested, and a coloring agent injection device with one or more needles, which are injected into the active cells of the hide of an a... | 09/07/1999 |
| 5910623 | Mixtures of sulfo-containing 1:2 metal complexes with vinyl polymers Liquid or solid mixtures of low-salt sulfo-containing 1:2 metal complex dyes and poly-N-vinylpyrrolidone or copolymers of N-vinylpyrrolidone and vinyl acetate are especially useful for dyeing paper and wood and also for dyeing and finishing leather and fu... | 06/08/1999 |
| 5908474 | Textile dye-fixing agents The present invention provides a dye-fixing agent, obtainable by reacting in a first reaction step, either a homopolymer of diallylamine or N-methyl-diallylamine or a copolymer of diallylamine and N-methyl-diallylamine, with an epihalohydrin, the reaction... | 06/01/1999 |
| 5873910 | Process for the two-stage oxidation dyeing of keratin fibers with a manganese complex or salt and a 4-substituted 1-naphthol, and dyeing kit A process for the two-stage oxidation dyeing of keratin fibers by applying to the keratin fibers: in a first stage, at least one composition A containing at least one manganese salt and/or a manganese complex, in a second stage, at least one composition B havi... | 02/23/1999 |
| 5869731 | 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... | 02/09/1999 |
| 5820633 | Method of treating leather with improved retaining agents The present invention is directed to a method of treating tanned leather to improve its dyeing characteristics while still retaining desired grain break and grain strength. The tanned leather is contacted, preferably by immersion, in a float containing a ... | 10/13/1998 |
| 5785718 | Substantive stilbene-azo dyestuffs The novel and known stilbene-azo dyestuffs of the formula (I) ##STR1## in which the substituents X and Y have the meaning given in the description, are outstandingly suitable for dyeing and printing cellulose and/or material containing amide groups a... | 07/28/1998 |
| 5766269 | Cationic dyes, their production and use A cationic dye (SK) comprising at least one quaternary ammonium group or protonated or protonizable tertiary amino group and at least one chromophoric radical, wherein the chromophoric radical is the radical of an optionally (pre)reduced sulphu... | 06/16/1998 |
| 5749925 | Dyeing or printing process with new and known cationic 4,5-dihydro-iH-1,2,3-triazolium compounds as dyestuffs and new cationic 4,5-dihydro-1H-1,2,3-triazolium compounds 4,5-Dihydro-1H-1,2,3-triazolium compounds of the formula (I) ##STR1## in which R1 and R2 independently of one another denote C6 -C14 -aryl or a heterocyclic radical having up to 3 rings and up to 4 heteroat... | 05/12/1998 |
