| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
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| 01/24/2007 | CN1900322A Process for making chrome tanning grey blue loop cutting sheep skin |
| 01/18/2007 | WO2007006718A1 Method for producing leather |
| 01/10/2007 | EP1651699B1 Epichlorohydrin amine polymers used for treating the surface of leather |
| 01/10/2007 | CN1894425A Method for preparing leather |
| 01/09/2007 | US7160480 Leather treated with fluorochemicals |
| 01/04/2007 | DE102005029627A1 Verfahren zur Herstellung von Leder A process for the production of leather |
| 01/02/2007 | US7157017 Wet blue or white hides, vegetable-, or oil-tanned hides; leather tanning liquors |
| 12/28/2006 | US20060288494 Process for producing leather |
| 12/27/2006 | EP1625237B1 Use of copolymers as auxiliary agents for producing leather |
| 12/20/2006 | CN1291042C Method for preparing modified cyanurotriamide resin for leather retaining and filling |
| 12/20/2006 | CN1291041C Use of polyelectrolytes in the production of leather |
| 12/19/2006 | US7150763 Method of making fish skin leather |
| 12/14/2006 | WO2006130937A2 Extraction process of jellylike collagen and of chrome/collagen complex from chrome tanned leather residues |
| 12/14/2006 | WO2006130936A2 Extraction process of hydrolyzed collagen and of chrome/collagen complex from chrome tanned leather residues |
| 12/13/2006 | CN1876846A Preparation method of flame-retardant retanning agent |
| 11/15/2006 | CN1863930A Composition for the pretanning of pelts |
| 11/09/2006 | WO2006089384A3 Product for pelt conditioning for tanning: process for pelt conditioning and following tanning |
| 11/08/2006 | CN1860268A Method for treating fibrous substrates |
| 11/01/2006 | CN1856582A Method for the production of leather and semifinished products, and formulations that are suitable therefor |
| 11/01/2006 | CN1856538A Aqueous dispersions of copolymers, production thereof and use of the same |
| 11/01/2006 | CN1856510A Method for the production of copolymers |
| 11/01/2006 | CN1854206A Process for preparation of alkylimidazolidone (meth)acrylates |
| 10/25/2006 | CN1850994A Nano SiO2,TiO2 leather tanning agent using modified fat as dispersible carrier, and its preparing method |
| 10/18/2006 | CN1847276A Emulsion grafting copolymerization process of preparing retanning and fat liquoring agent for leather |
| 10/10/2006 | US7118603 For leather; polymer containing aromatic sulfonate groups |
| 10/03/2006 | US7115387 Process for the preparation of aldehyde from a proteinous source for industrial applications |
| 09/27/2006 | CN1839207A A process for the preparation of a synthetic tanning agent |
| 09/27/2006 | CN1837254A Condensate containing acid radical |
| 09/27/2006 | CN1836920A Sturgeon leather painting and making method therefor |
| 09/21/2006 | US20060207032 Process for hydrophobing leather by means of alkylalkoxysilanes, and water-repellent leather |
| 09/20/2006 | EP1702991A2 Process for hydrophobing leather using alkylalkoxysilanes and hydrophobic leather obtained therewith |
| 09/13/2006 | CN1832976A Epichlorohydrin amine polymers used for treating the surface of leather |
| 09/08/2006 | WO2006092435A1 Tanning of hides and pelts |
| 09/06/2006 | EP1697548A1 A process for making leather |
| 09/06/2006 | CN1827782A Thermostatic steam-hot water conversion process for retanning and dyeing of leather product |
| 09/06/2006 | CN1273619C Improvements in leather processing |
| 08/31/2006 | WO2006091691A1 Leather treated with fluorochemicals |
| 08/31/2006 | WO2006089384A2 Product for pelt conditioning for tanning: process for pelt conditioning and following tanning |
| 08/31/2006 | DE102005008034A1 Säuregruppenhaltige Kondensationsprodukte Acid group-containing condensation products |
| 08/30/2006 | EP1694874A1 Composition for the pretanning of pelts |
| 08/30/2006 | CN1826415A Preparation of leather with polymer |
| 08/30/2006 | CN1823846A Stinking smell eliminating method of fish oil |
| 08/24/2006 | US20060186368 Contacting during tanning with a mixture of 1) a fluorinated urethane that may contain at least one urea linkage and can be prepared from a fluorinated alcohol, thiol or amine. am addional alcohol, thiol or amine, and a sulfoalkyl alcohol with 2) a fluorinated ester in order to impart soil resistance |
| 08/23/2006 | EP1693393A1 Condensation products containing acid groups |
| 08/23/2006 | CN1271219C Method for preparing modified plant tannin extract, produced product and its application |
| 08/16/2006 | CN1269969C Flame retardant and moldproof tanning agent with high absorption property and preparation method thereof |
| 08/09/2006 | CN1814812A Animal skin processing method |
| 07/26/2006 | EP1682717A1 Method for the reactive colouring of leather |
| 07/26/2006 | CN1807655A Production method of leather in which hexavalent chromium content reaches the standard |
| 07/26/2006 | CN1807654A Adjuvant for preventing hexavalent chromium in leather and its preparation method |
| 07/26/2006 | CN1266139C Preparation process of alkyl imidazolidone methacrylate |
| 07/19/2006 | CN1804045A Method for tanning high-temperature stable chromium-free costume soft leather |
| 07/19/2006 | CN1804044A Clean production method of chromium-free automobile cushion leather |
| 07/19/2006 | CN1264991C Saltless hydrophilic powdered tanning agent and preparing method thereof |
| 07/19/2006 | CN1264755C Preparation of chromium subsulfate |
| 07/18/2006 | US7077966 Process for gelatines extraction and chromium salts recovery from tanned hides and skins shavings |
| 07/13/2006 | US20060151738 Chromium-free, waterproof leather |
| 07/06/2006 | DE102004051647A1 Kosmetische Zubereitungen enthaltend Ethylmethacrylat-Copolymere Cosmetic preparations containing methacrylate copolymers |
| 06/29/2006 | WO2006067801A1 Bio-tanning process for leather making |
| 06/29/2006 | WO2006067540A1 A process for making wet-pink leather |
| 06/22/2006 | WO2006064054A1 Composition for the treatment of leather |
| 06/22/2006 | US20060130241 Method for producing leather |
| 06/21/2006 | EP1670984A1 Method for treating fibrous substrates |
| 06/21/2006 | EP1670957A1 Method for the production of leather and semifinished products, and formulations that are suitable therefor |
| 06/21/2006 | EP1670859A1 Aqueous dispersions of copolymers, production thereof and use of the same |
| 06/20/2006 | US7063728 Process for making chrome tanned leathers |
| 06/14/2006 | EP1668041A1 Method for the production of copolymers |
| 06/14/2006 | CN1788093A Use of copolymers as auxiliary agents for producing leather |
| 06/14/2006 | CN1786199A Modified Tala tannin extract tannin agent, its preparation method and use |
| 06/14/2006 | CN1259434C Process for modifying physical and chemical character of tannin of black wattle plant and application of chemical modified tannin |
| 06/13/2006 | US7060363 Has a measured penetration time is at least 30 min; not tanned with chromium salts, iron tanning with silicones as water repellents; easy on waste disposal |
| 06/13/2006 | US7060105 Especially for the preparation of inks for ink jet printing |
| 06/07/2006 | CN1782098A Isocyanate-based tanning agents |
| 05/24/2006 | DE102004054828A1 Verfahren zum bildhaften Färben von Leder A method of pictorial dyeing leather |
| 05/24/2006 | CN1257288C Method for fabricating chroming agent by using leather containing chrome |
| 05/18/2006 | US20060101584 very fine delaminated clay particles by vigorous stirring; tanning agents are organic polymers, aldehyde, sulfone, phenol tanning agents, fat liquoring, vegetable tanning agents, dyes and pigments |
| 05/18/2006 | US20060101583 Heating dihydrofuran or dihydropyran derivative in presence of polyglycerol, water, and acid catalysis; deesterification, deamidation; distillation, filtration; aldol condensation; preserving products, for example cosmetic products, and surfaces |
| 05/17/2006 | EP1657355A1 Method for the pictorial coloring of leather |
| 05/17/2006 | EP1656460A1 A process for the preparation of a synthetic tanning agent |
| 05/17/2006 | CN1772926A Fur tanning process with aluminium tanning agent and combined RE and chromium |
| 05/17/2006 | CN1256444C Treatment process for reducing content of hexavalence chromate in leather |
| 05/04/2006 | DE102004051540A1 Preparation of powdered, water-soluble and/or water-swellable polymers, useful as thickeners for e.g. paper coating masses, comprises drying aqueous dispersions of ethylenically unsaturated anionic polymers in standard methods |
| 05/03/2006 | EP1651781A1 Method for the production of leather by using polymers |
| 05/03/2006 | EP1059844B1 Microbiocidal methods using combinations of propiconazole and 2-mercaptobenzothiazole |
| 04/27/2006 | WO2006042652A1 Process for producing leather and compounds suitable therefor |
| 04/27/2006 | DE19942681B4 Copolymer zur Behandlung von Leder und Pelzfellen Copolymer for the treatment of leather and skins |
| 04/27/2006 | DE102004050284A1 Isocyanat-basierende Gerbstoffe Isocyanate-based tanning |
| 04/25/2006 | US7033402 pretanning wet treatment; controlling pH, temperature |
| 04/20/2006 | US20060080784 Isocyanate-based tanning agents |
| 04/20/2006 | DE102004050879A1 Verfahren zur Herstellung von Leder und dafür geeignete Verbindungen A process for the production of leather and for suitable compounds |
| 04/19/2006 | EP1647563A2 Tanning agents based on isocyanates |
| 04/19/2006 | CN1760377A Composition of tanning agent containing modified tara mimosa extract, and bating method without chrome |
| 04/19/2006 | CN1252286C Preparing method for aldehyde acid tanning agent |
| 04/13/2006 | US20060075573 pretanning animal hide with chromium-free tanning agent selected from an aldehyde tanning agent, an isocyanate an aluminum salt, an oxazolidine and tetrakishydroxymethylphosphonium chloride; pretanning is effected with the additional use of a clay mineral e.g.phyllosilicates; storage stability |
| 03/16/2006 | US20060053564 Tanning agents and preservatives |
| 03/16/2006 | DE102004038217A1 Copolymerisate, ihre Herstellung und Verwendung Copolymers, their preparation and use |
| 03/15/2006 | CN1748038A Method for producing leather |
| 03/15/2006 | CN1245523C Method for preparing leather using protease and method for treating wastes dervied from leather processing using same |
| 03/08/2006 | CN1745182A Tanning agents and preservatives |
| 03/08/2006 | CN1745181A Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents |