| 9970070 | Chrome-free leather retanning | Oct 15, 14 | May 15, 18 | Rohm and Haas Company |
| 9845516 | Method for treating a substrate made of animal fibers with solid particles and a chemical formulation comprising a colourant | Apr 11, 14 | Dec 19, 17 | XEROS LIMITED |
| 9776887 | Tannery process with effluent recycling | Mar 20, 14 | Oct 03, 17 | Zhang, Zhuangdou |
| 9212403 | Topcoat | May 15, 09 | Dec 15, 15 | HONDA MOTOR CO., LTD., MIDORI HOKUYO CO., LTD., |
| 8822589 | Method for the production of aqueous formulations, aqueous formulations, and the use thereof | Aug 08, 08 | Sep 02, 14 | BASF SE |
| 8771374 | Method for the production of leather, copolymers that are suitable therefor, and further uses thereof | May 24, 12 | Jul 08, 14 | BASF SE |
| 8642185 | Leather production and aqueous formulations suitable therefor | Nov 30, 11 | Feb 04, 14 | BASF SE |
| 7771489 | Formulation for use in chrome or chrome-free tannage | Aug 08, 03 | Aug 10, 10 | BASF AKTIENGESELLSCHAFT |
| 6336942 | Processes of treating leather and skins employing polymer compositions | Sep 15, 97 | Jan 08, 02 | BASF AKTIENGESELLSCHAFT |
| 6133372 | Aqueous polymer dispersion, process for preparing the same and its use in leather production | Dec 23, 98 | Oct 17, 00 | STOCKHAUSEN GMBH |
| 6033442 | 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 | Jun 10, 98 | Mar 07, 00 | BASF AKTIENGESELLSCHAFT |
| 5873908 | Alkoxy group containing copolymers and their use in retanning leather | Oct 25, 96 | Feb 23, 99 | STOCKHAUSEN GMBH |
| 5820633 | Method of treating leather with improved retaining agents | Jul 16, 97 | Oct 13, 98 | ROHM AND HAAS COMPANY |
| 5714560 | Water-soluble or water-dispersible graft polymers of proteins as leather tanning agents | Nov 13, 96 | Feb 03, 98 | BASF AKTIENGESELLSCHAFT |
| 5709714 | Method of treating leather with amphoteric polymers | Feb 12, 97 | Jan 20, 98 | ROHM AND HAAS COMPANY |
| 5618317 | Bisulfite-blocked polyisocyanates as tanning agents | Jun 01, 95 | Apr 08, 97 | Bayer Aktiengesellschaft |
| 5556930 | Copolymers and their use in the treatment of leather | Jun 12, 95 | Sep 17, 96 | Chemische Fabrik Stockhausen GmbH |
| 5505864 | Tanning agent containing a dialdehyde | Dec 14, 93 | Apr 09, 96 | ROHM GMBH |
| 5492539 | Method of preparing leather from unhaired hides | Jun 05, 95 | Feb 20, 96 | ROHM GMBH |
| 5433752 | Use of rection products of Homo- or copolymers based on monoethylenically unsaturated dicarboxylic anhydrides with amines or alcohols for fatliquoring and filling leather and fur skins | Aug 26, 94 | Jul 18, 95 | BASF AKTIENGESELLSCHAFT |