| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
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| 01/03/2001 | EP1063889A1 Compositions of tetrakis(hydroxymethyl)phosphonium salts with an antifoaming agent |
| 12/28/2000 | WO2000079011A1 Leather tanning |
| 12/27/2000 | CN1278304A Tanning leather |
| 12/20/2000 | EP1059844A1 Microbicidal compositions and methods using synergistic combinations of propiconazole and 2-mercaptobenzothiazole |
| 12/07/2000 | WO2000073513A1 Leather tanning |
| 11/09/2000 | WO2000066793A1 Application of carbonyl compounds in the process of tanning hides |
| 10/26/2000 | DE19917736A1 Liquid, storage-and emulsion-stable composition for wet currying of leather or pelts has the starting materials for the dubbing component oxidized prior to further emulsifying reactions |
| 10/25/2000 | EP1045936A1 Aqueous compositions comprising complexing agents and uses therof |
| 09/28/2000 | WO2000056940A1 Leather impregnated with temperature stabilizing material and method for producing such leather |
| 08/23/2000 | EP1029930A1 Process for tanning |
| 08/17/2000 | DE19906190A1 Gerbverfahren Tanning |
| 08/16/2000 | EP1027460A1 Tanning leather |
| 08/10/2000 | WO2000046409A1 Tanning leather |
| 07/06/2000 | DE19860610A1 Chrome-tanned leather for e.g. gloves, shoes, furniture or car seats is treated with dubbing containing antioxidant to reduce hexavalent chromium release potential |
| 05/03/2000 | EP0997539A2 Aqueous dispersion of copolymer for leather treatment |
| 04/19/2000 | EP0994195A2 Process for waterproofing chromium tanned bovine hides |
| 03/07/2000 | US6033590 Compositions for the preparation of leather |
| 03/07/2000 | US6033442 Use of aqueous solutions or dispersions of copolymers of carboxyl-group-containing monomers, ethylenically unsaturated acetals, ketals or orthocarboxylic acid esters and optionally other copolymerizable monomers as leather tanning agents |
| 01/12/2000 | CN1048278C Biodegradable copolymers, process for production and use thereof |
| 01/12/2000 | CN1048259C Graft copolymers of unsaturated monomers and sugars, process for production and use thereof |
| 01/05/2000 | EP0968310A1 Novel phenol condensation products |
| 01/05/2000 | DE19930735A1 Production of stabilized wet-white leather products free of aldehyde, syntan and metal |
| 12/30/1999 | DE19828418A1 Leather production from animal skins |
| 12/15/1999 | EP0963446A1 Composition for treating tanned leather, and its preparation |
| 12/15/1999 | EP0963445A1 Biologically degradable leather |
| 12/08/1999 | EP0630416B1 Anticalcification treatment for aldehyde-tanned biological tissue |
| 12/01/1999 | CN1046959C Method of improving leather treatment and leather made thereby |
| 11/17/1999 | CN1046551C Process for tunning plateau carp skin and products therefrom |
| 11/16/1999 | US5985167 Wet treatment of leather hides |
| 11/03/1999 | EP0891430B1 Use of copolymers based on ethylenically unsaturated dicarboxylic acids or dicarboxylic acid anhydrides, lower olefins and hydrophobic comonomers for after-tanning, stuffing or waterproofing leather and furs |
| 10/27/1999 | CN1045970C Copolymers containing alkoxyl and their use in the retanning of leather |
| 10/26/1999 | US5972037 Leather tanning processes and the products thereof |
| 10/21/1999 | WO1999053104A1 Polymer tanning agents containing n-vinyl units |
| 10/14/1999 | DE19815946A1 N-Vinyleinheiten enthaltende polymere Gerbstoffe N-vinyl units containing polymeric tannins |
| 09/23/1999 | WO1999046989A1 Compositions of tetrakis (hydroxymethyl) phosphonium salts with an antifoaming agent |
| 09/23/1999 | CA2337817A1 Compositions of tetrakis (hydroxymethyl) phosphonium salts with an antifoaming agent |
| 09/22/1999 | EP0648234B1 Graft copolymers of unsaturated monomers and sugars, process for producing the same and their use |
| 09/10/1999 | WO1999044424A1 Microbicidal compositions and methods using synergistic combinations of propiconazole and 2-mercaptobenzothiazole |
| 08/25/1999 | CN1044820C Fish skin nontoxic tanning process |
| 08/25/1999 | CN1044819C Preparation of resin retaning agent |
| 08/05/1999 | WO1999039045A1 Aqueous compositions comprising complexing agents and uses therof |
| 08/05/1999 | CA2335037A1 Aqueous compositions comprising complexing agents and uses thereof |
| 07/28/1999 | CN1224062A Tannin extract type amphoteric retanning agent and method for preparing same |
| 07/21/1999 | EP0929698A1 Method for tanning skins |
| 07/07/1999 | CN1221798A Method of tanning leather by utilizing mixed rare-earth and plant tanning agent |
| 06/23/1999 | CN1220174A Process for recovery of waste chromium liquid |
| 06/16/1999 | CN1219975A Process and apparatus for treating leather and like |
| 06/02/1999 | EP0737215B1 Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 05/20/1999 | DE19750246A1 Use of carboxamide gemini surfactant(s) |
| 05/20/1999 | DE19750245A1 Use of anionic geminal surfactant(s) in cosmetic applications |
| 05/14/1999 | WO1999023261A1 Tanning leather |
| 05/04/1999 | US5900027 Process for preparing animal hides or pelts |
| 04/22/1999 | DE19746445A1 Composition for preparing leather and hides used for retanning and dubbing |
| 03/30/1999 | US5888400 Using membrane separation technique to remove inorganic acid and/or salts present after condensation of sulfonated aromatic compounds with aldehydes or ketones |
| 03/23/1999 | CA2138769C Graft copolymers of unsaturated monomers and sugars, process for producing the same and their use |
| 02/25/1999 | DE19736309A1 Leather, used for clothes, shoes, furniture covers and automobile interiors |
| 02/23/1999 | US5873908 Alkoxy group containing copolymers and their use in retanning leather |
| 02/17/1999 | EP0896635A1 Process and apparatus for treating leather and the like |
| 02/17/1999 | EP0824553B1 Water-soluble copolymers, process for producing the same and their use |
| 01/20/1999 | EP0891430A1 Use of copolymers based on ethylenically unsaturated dicarboxylic acids or dicarboxylic acid anhydrides, lower olefins and hydrophobic comonomers for after-tanning, stuffing or waterproofing leather and furs |
| 12/29/1998 | US5854321 Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof |
| 12/29/1998 | US5854191 Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof |
| 12/08/1998 | US5847065 Dispersions of graft copolymers of unsaturated monomers and sugars |
| 11/03/1998 | US5830956 Biodegradable copolymers, methods of producing them and their use |
| 10/13/1998 | US5820634 Treating leather with product containing carbamoyl sulfonate groups formed by reacting polyisocyanante with polyether alcohol and mineral tanning agent |
| 10/13/1998 | US5820633 Method of treating leather with improved retaining agents |
| 10/01/1998 | WO1998042877A1 Novel phenol condensation products |
| 09/30/1998 | EP0866879A1 Use of aqueous solutions or dispersions of copolymers of carboxyl-group-containing monomers, ethylenically unsaturated acetals, cetals or orthocarboxylic acid esters and optionally other copolymerisable monomers as leather tanning agents |
| 09/24/1998 | DE19711651A1 Neue Phenol-Kondensationsprodukte New phenol condensation products |
| 09/03/1998 | WO1998038341A1 Composition for treating tanned leather, and its preparation |
| 09/03/1998 | WO1998038340A1 Biologically degradable leather |
| 08/27/1998 | DE19707713A1 Zusammensetzung zur Behandlung von gegerbtem Leder, sowie ihre Herstellung Composition for the treatment of tanned leather, and their preparation |
| 08/27/1998 | DE19707578A1 Production of leather |
| 08/12/1998 | EP0857476A1 Use of tanning agents to extend the shelf life of hair dyes |
| 08/12/1998 | CN1190408A Water-soluble copolymers, process for producing the same and their use |
| 07/21/1998 | US5783616 Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof |
| 07/01/1998 | CN1038947C Tanning technique for snak leather, its leather material processed by said technique for painting and calligraphy |
| 06/24/1998 | EP0849365A1 Preparation agent for leather |
| 06/24/1998 | EP0848722A1 Method for the production of polymerisates in an aqueous medium and the use thereof |
| 06/02/1998 | US5760154 Water soluble; biodegradable |
| 06/02/1998 | US5759706 Graphite lubricated leather for use in garments footwear and other leather products; a method for lubricating leather with graphite and a graphite impregnated leather product |
| 05/06/1998 | CN1180749A Method of treating leather with improved retanning agents |
| 05/05/1998 | US5746775 Method of making calcification-resistant bioprosthetic tissue |
| 04/16/1998 | DE19704384C1 Agent for extending life of colours in tints created by direct dyes |
| 04/09/1998 | WO1998014620A1 Method for tanning skins |
| 03/31/1998 | US5733340 Aliphatic dialdehyde, anionic aromatic tanning agent,water and acid |
| 03/25/1998 | EP0831153A1 Method of treating leather with retanning agents |
| 03/10/1998 | US5725599 Anionic monomers and nonionic groups |
| 02/25/1998 | EP0824553A1 Water-soluble copolymers, process for producing the same and their use |
| 02/18/1998 | CN1173507A Process for preparing low-salt preparations of condensation products |
| 02/03/1998 | US5714560 Water-soluble or water-dispersible graft polymers of proteins as leather tanning agents |
| 01/29/1998 | WO1998003685A1 Process for the removal of chromium from leathers and/or leather wastes, both tanned with chromium compounds, and/or different substances containing chromium compounds, in particular wastes of the collageneous origin |
| 01/28/1998 | CN1171722A Synergistic combinations of 2- (thiocyanomethylthio) benzothiazole and thiophanate compounds useful as fungicides |
| 01/20/1998 | US5709714 Improve color expression characteristic |
| 01/07/1998 | EP0816406A2 Process for preparation of essentially salt free condensation products |
| 12/29/1997 | EP0814168A1 Process for tanning of leather |
| 12/29/1997 | EP0813611A1 Process for preparing animal hides or pelts |
| 12/23/1997 | CA2094820C Polyacrylic acid compositions for textile processing |
| 12/18/1997 | DE19724468A1 Wäßrige Zusammensetzung zum Vorgerben von Hautblössen oder Nachgerben von Leder An aqueous composition for pre-tanning of raw hides or re-tanning of leather |
| 12/11/1997 | DE19615436A1 Plant based post tanning agents for chrome tanned leather |