| 2021/0002,735 | Process for the Simultaneous Tanning and Dyeing of Collagen Containing Fibrous Material | Jan 25, 19 | Jan 07, 21 | Not available |
| 2019/0024,197 | HEXAVALENT CHROMIUM TREATMENT AGENT AND LEATHER OR LEATHER ARTICLE PRODUCED USING THE SAME | Jan 27, 17 | Jan 24, 19 | Citizen Watch Co. Ltd. |
| 2017/0342,512 | Dispersing Agent Composition for Tanning of Hides/Skins and Process for the Preparation Thereof | Jul 11, 16 | Nov 30, 17 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 2014/0123,399 | SOLID, PARTICULATE TANNING AGENT PREPARATIONS | Mar 29, 12 | May 08, 14 | LANXESS DEUTSCHLAND GMBH, LANXESS DEUTSCHLAND GMBH COLOGNE, |
| 2010/0316,695 | CONDENSATION PRODUCTS BASED ON BICYCLIC OR POLYCYCLIC AROMATICS OR HETEROAROMATICS | Nov 11, 08 | Dec 16, 10 | BASF SE |
| 2010/0275,380 | AGENT AND METHOD FOR TANNING SKINS AND PELTS | Nov 21, 08 | Nov 04, 10 | MB-HOLDING GMBH & CO. KG |
| 2010/0227,186 | COMPOUNDS AND THEIR USE FOR PRODUCING LEATHER AND AS DISPERSANTS | Aug 08, 07 | Sep 09, 10 | BASF SE |
| 2010/0162,490 | METHOD FOR THE PRODUCTION OF LEATHER, COPOLYMERS THAT ARE SUITABLE THEREFOR, AND FURTHER USES THEREOF | Sep 03, 08 | Jul 01, 10 | BASF SE |
| 2009/0300,848 | EPOXIDE-BASED TANNAGE SYSTEM | Mar 26, 07 | Dec 10, 09 | BLC LEATHER TECHNOLOGY CENTRE LTD., UNIVERSITY OF LOUGHBOROUGH, |
| 2009/0191,325 | SURFACE ACTIVE INGREDIENT COMPOSITION | May 28, 07 | Jul 30, 09 | MARINE 3 TECHNOLOGIES H0LDINGS (PTY) LTD. SUITE8, PANAORAMA OFFICE ESTATE, MARINE 3 TECHNOLOGIES HOLDINGS (PTY) LTD., |
| 2008/0229,511 | Process for the Preparation of Synthetic Tanning Agent for Improved Leather Characteristics | Oct 24, 07 | Sep 25, 08 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 2008/0104,766 | FATLIQUORING AGENTS FOR THE FLAME-RETARDANT TREATMENT OF LEATHER | Oct 26, 07 | May 08, 08 | LANXESS DEUTSCHLAND GMBH, Trumpler GmbH & Co. Chemische Fabrik, TRUMPLER GMBH & CO. KG CHEMISCHE FABRIK, |
| 2007/0294,836 | Dialdehyde condensates containing acid groups | Jun 19, 07 | Dec 27, 07 | LANXESS DEUTSCHLAND GMBH |
| 2006/0207,032 | Process for hydrophobing leather by means of alkylalkoxysilanes, and water-repellent leather | Mar 03, 06 | Sep 21, 06 | LANXESS DEUTSCHLAND GMBH |
| 2006/0186,368 | Leather treated with fluorochemicals | Feb 22, 05 | Aug 24, 06 | THE CHEMOURS COMPANY FC, LLC |
| 2006/0080,784 | Isocyanate-based tanning agents | Sep 29, 05 | Apr 20, 06 | LANXESS DEUTSCHLAND GMBH |