| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
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| 09/17/2003 | EP1084279B1 Polymer tanning agents containing n-vinyl units |
| 09/04/2003 | WO2003072833A1 A process for making chrome tanned leathers |
| 08/27/2003 | EP1238136B1 Acid-resistant solutions containing aromatic formaldehyde condensation products |
| 08/13/2003 | EP1335029A1 Process for the preparation of leather and furskin |
| 07/02/2003 | CN1427084A Processing method of making leather using frog skin |
| 05/22/2003 | WO2003042414A1 Chrome-based product in a hydrolyzed proteic compound and process for the making thereof |
| 05/21/2003 | EP1311710A1 Treatment of part processed leather |
| 05/02/2003 | EP0963446B1 Composition for treating tanned leather, and its preparation |
| 04/30/2003 | CN1414114A Sheep skin oil tanning and scrubbing leather and its making method |
| 04/16/2003 | CN1410551A Polyurethane/inorganic nano composite leather tannin material and its preparation method |
| 04/09/2003 | EP1299565A1 Leather finishing agent |
| 04/09/2003 | EP0555400B1 Polyacrylic acid compositions for textile processing |
| 04/02/2003 | EP1297189A1 Use of hydrolysates of vegetable tanning agents for stabilising chrome-iii against oxidation in chrome-tanned leather |
| 04/02/2003 | EP1297188A1 Use of gallic acid for stabilising chrome-iii against oxidation in chrome-tanned leather |
| 04/01/2003 | US6540790 Tanning leather |
| 03/19/2003 | CN1403592A Prepn of aldehyde acid tanning agent |
| 03/13/2003 | WO2003021031A1 Phosphorus compounds |
| 02/27/2003 | WO2003016578A1 Method for producing tanning agents containing sulphone |
| 01/02/2003 | US20030000024 Tanning leather |
| 12/18/2002 | EP0658172B2 Alkoxy group-containing copolymers and their use for retanning leather |
| 11/07/2002 | WO2002088397A1 Improvements in leather processing |
| 11/06/2002 | CN1377975A Circular utilizing process for waste lixivium of tanning |
| 10/24/2002 | US20020155524 Composition for tanning of skins; obtain skins, incubate with transglutaminases, recover cured skins |
| 10/17/2002 | WO2000056940A8 Leather impregnated with temperature stabilizing material and method for producing such leather |
| 09/26/2002 | WO2002075039A1 Methods and products useful in recovering and recycling tannins |
| 09/19/2002 | WO2002050313A3 Method for tanning of hides by means of tanning agents |
| 09/11/2002 | EP1238136A1 Acid-resistant solutions containing aromatic formaldehyde condensation products |
| 09/11/2002 | EP1238117A1 Agent and method for enzymatically tanning skins |
| 09/11/2002 | CN1368556A Tannin extract type neutralizing agent for leather and its preparing process |
| 08/14/2002 | CN1364200A Leather tanning |
| 08/08/2002 | DE10105574A1 Kortrolliertes Verfahren zum Gerben von Häuten und Pelzen Kortrolliertes process for tanning hides and furs |
| 08/01/2002 | WO2002059382A1 Production of tanned leather and products suitable therefore |
| 07/24/2002 | EP0728219B1 Wet treatment of leather hides |
| 07/17/2002 | CN1358869A Method for preparing leather two-property retanning agent |
| 07/04/2002 | WO2002051956A1 Process for gelatines extraction and chromium salts recovery from tanned hides and skins shavings |
| 07/03/2002 | CN1357053A Leather tanning |
| 06/27/2002 | WO2002050313A2 Method for tanning of hides by means of tanning agents |
| 06/26/2002 | EP0968310B1 Novel phenol condensation products |
| 06/05/2002 | CN1352307A Leather preparing process and products |
| 05/28/2002 | US6395040 Process for producing leather |
| 05/16/2002 | WO2002038813A1 Tannages |
| 05/15/2002 | CN1349564A Application of carbonyl compounds in the process of tanning hides |
| 05/15/2002 | CN1348994A Acid-free chromte tannage agent and its prepn |
| 04/25/2002 | US20020046426 Application of carbonyl compounds in the process of tanning hides |
| 04/17/2002 | CN1345368A Tanning leather |
| 04/10/2002 | CN1343792A Process for preparing leather retanning agent contaiing aldehyde |
| 04/10/2002 | CN1343661A Process for preparing long-chain alkylphenyl sulfuryl chloride |
| 04/03/2002 | EP1192284A1 Leather tanning |
| 03/28/2002 | US20020035755 Interactive leather for gloves, shoes, garments and upholstery |
| 03/28/2002 | DE10042993A1 Mittel und Verfahren zum enzymatischen Gerben von Häuten Means and methods for the enzymatic tanning of hides |
| 03/27/2002 | EP1190102A1 Leather tanning |
| 03/27/2002 | CN1341754A Leather retanning agent preparation method |
| 03/07/2002 | WO2002018662A1 Agent and method for enzymatically tanning skins |
| 02/27/2002 | CN1337472A Tanning reinforcer |
| 02/14/2002 | WO2002012569A1 Treatment of part processed leather |
| 02/14/2002 | CA2419011A1 Treatment of part processed leather |
| 02/06/2002 | EP1177321A1 Application of carbonyl compounds in the process of tanning hides |
| 01/16/2002 | EP0729364B1 Method of making calcification-resistant bioprosthetic tissue |
| 01/10/2002 | DE10031548A1 Verwendung von Gallussäure zur Stabilisierung von Chrom-III gegen Oxidation in chromgegerbtem Leder Use of gallic acid for the stabilization of chromium III against oxidation in chrome-tanned leather |
| 01/10/2002 | DE10031545A1 Verwendung von Hydrolysaten von vegetabilen Gerbstoffen zur Stabilisierung von Chrom-III gegen Oxidation in chromgegerbtem Leder Use of hydrolysates of vegetable tanning agents for the stabilization of chromium III against oxidation in chrome-tanned leather |
| 01/09/2002 | CN1330156A Process for preparing currying agent |
| 01/03/2002 | WO2002000942A1 Use of hydrolysates of vegetable tanning agents for stabilising chrome-iii against oxidation in chrome-tanned leather |
| 01/03/2002 | WO2002000941A1 Use of gallic acid for stabilising chrome-iii against oxidation in chrome-tanned leather |
| 01/02/2002 | CN1076951C Synergistic combinations of 2-(thioicyanomethylthylthio) benzothiazole and thiophanate composition useful as fungicides |
| 12/25/2001 | CA2163002C Polyacrylic acid compositions for textile processing |
| 12/20/2001 | WO2001096613A1 Leather finishing agent |
| 12/20/2001 | DE10028142A1 Prevention of chromium (VI) formation during storage of tanned leather and pelts by pickling in presence of antioxidant prior to chrome tanning |
| 12/12/2001 | EP1161566A1 Tanning leather |
| 12/12/2001 | CN1326004A Technology for tanning and dyeing lamb hide used as both fur and leather |
| 11/28/2001 | CN1323633A Application of N-alkylbenzisothiazolidone as osmosis promoter |
| 11/28/2001 | CN1075559C Method of tanning leather by utilizing mixed rare-earth and plant tanning agent |
| 11/13/2001 | US6316533 For neutralizing leather tanned with mineral compounds or mineral-free compounds |
| 11/01/2001 | WO2001081635A1 Phosphine compounds and their use as tanning agents, corrosion inhibitors and biocides |
| 08/08/2001 | CN1307139A High molecular metal complex leather tanning agent and preparing method thereof |
| 08/01/2001 | EP0813611B1 Process for preparing animal hides or pelts |
| 08/01/2001 | CN1306093A Tanning material/complex tanning material products |
| 07/26/2001 | DE10002048A1 Gerbstoff-/Nachgerbstoffpräparationen Tannin / Nachgerbstoffpräparationen |
| 07/25/2001 | EP1118682A1 Preparations of tanning/ retanning agents |
| 07/11/2001 | CN1302909A Process for tanning skin of highland schizothoracin and grass carp |
| 07/11/2001 | CN1302907A Process for preparing chrome tanning agent |
| 07/11/2001 | CN1302906A Preparation method of aquocomposition for treating leather |
| 07/03/2001 | US6254644 Biologically degradable leather |
| 06/26/2001 | US6251414 Aqueous formulation for pretanning raw hides |
| 06/13/2001 | CN1298955A Process for preparing chrome tanning agent from organic waste containing cellulose |
| 06/13/2001 | CN1298954A Process for extracting collagenic polypeptide from chrome leather dregs to prepare coating agent and retanning agent |
| 05/31/2001 | DE19954013A1 Aromatische Formaldehyd-Kondensationsprodukte enthaltende säurestabile Lösungen Aromatic formaldehyde condensation products containing acid-stable solutions |
| 05/17/2001 | WO2001034898A1 Acid-resistant solutions containing aromatic formaldehyde condensation products |
| 05/09/2001 | CN1065543C Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 05/03/2001 | WO2001031067A1 Method for tanning skins or materials containing collagen, with a dense fluid under pressure |
| 05/02/2001 | EP1096025A1 Preparation of an aqueous composition for treating leather |
| 03/28/2001 | CN1063799C Tannin-extract type amphoteric retanning agent and preparing method thereof |
| 03/27/2001 | US6207780 Interpolymers of unsaturated carboxylic acids and unsaturated sulfur acids |
| 03/21/2001 | EP1084279A1 Polymer tanning agents containing n-vinyl units |
| 03/21/2001 | CN1288063A Leather material with perfumen |
| 03/13/2001 | US6200640 Polymer composition and process for treating leather and fur skins |
| 02/28/2001 | CN1285414A Amine oxide phosphate aster leather currying agent and process for preparing the same |
| 02/08/2001 | WO2001009392A1 Leather tanning |
| 01/31/2001 | EP0929698B1 Method for tanning skins |
| 01/30/2001 | US6179879 Leather impregnated with temperature stabilizing material and method for producing such leather |
| 01/11/2001 | WO2001002533A1 Device and method for producing semifinished leather products |