| 2024/0182,636 | MODIFIED POLYLACTONES USEFUL FOR FATLIQUORING | Apr 13, 22 | Jun 06, 24 | TFL Ledertechnik GmbH |
| 2024/0052,437 | A PROCESS OF TANNING ANIMAL HIDES | Dec 14, 21 | Feb 15, 24 | Not available |
| 2024/0043,805 | IMMORTALIZED CELL LINE FOR ENGINEERED SYNTHETIC LEATHER | Aug 21, 23 | Feb 08, 24 | Not available |
| 2021/0332,450 | A PROCESS FOR TANNING ANIMAL HIDES | Jun 26, 18 | Oct 28, 21 | Ecco SKO A/S |
| 2021/0102,267 | Chromium Tanning Agents | Jan 11, 19 | Apr 08, 21 | LANXESS Deutschland GmbH |
| 2018/0230,644 | FIBER REINFORCED TISSUE COMPOSITES | Sep 21, 16 | Aug 16, 18 | MODERN MEADOW, INC. |
| 2018/0094,330 | AN ENVIRONMENTALLY FRIENDLY CHROME-TANNING METHOD | Feb 18, 16 | Apr 05, 18 | Taminco Finland Oy |
| 2017/0233,833 | Leather Production Using Waste Liquids | Nov 09, 16 | Aug 17, 17 | Not available |
| 2017/0233,835 | LEATHER OR LEATHER ARTICLE AND METHOD FOR PRODUCING SAME, HEXAVALENT CHROMIUM TREATMENT AGENT, METHOD FOR TREATING HEXAVALENT CHROMIUM IN CRUDE LEATHER OR CRUDE LEATHER ARTICLE | Jul 29, 15 | Aug 17, 17 | CITIZEN WATCH CO., LTD. |
| 2017/0029,909 | TANNING OF SUBSTRATES USING IONIC LIQUIDS | Apr 14, 15 | Feb 02, 17 | UNIVERSITY OF LEICESTER, UNIVERSITY OF NORTHAMPTON, |
| 2016/0244,853 | CHROME TANNING PROCESS | Sep 30, 14 | Aug 25, 16 | RHODIA POLIAMIDA E ESPECIALIDADES LTDA |
| 2016/0244,854 | TANNING PROCESS FOR OBTAINING LEATHER | Sep 30, 14 | Aug 25, 16 | RHODIA POLIAMIDA E ESPECIALIDADES LTDA |
| 2016/0186,275 | Tanning Process With Reduced Waste Discharge | Dec 21, 15 | Jun 30, 16 | Not available |
| 2015/0376,726 | PRODUCTION OF LEATHER | Feb 12, 14 | Dec 31, 15 | BASF SE |
| 2015/0167,108 | METHOD OF RECOVERING CHROME FROM A TANNERY PROCESS | Dec 17, 13 | Jun 18, 15 | TYSON FOODS, INC. |
| 2009/0205,142 | Process for Retanning Leather Using Hollow Microspheres | Sep 17, 07 | Aug 20, 09 | LANXESS DEUTSCHLAND GMBH |
| 2009/0158,530 | USE OF CHROMIUM COMPLEX IN THE LEATHER INDUSTRY | Sep 08, 08 | Jun 25, 09 | SODA SANAYI A.S. |
| 2008/0168,606 | Product For Pelt Conditioning For Tanning: Process For Pelt Conditioning and Following Tanning | Feb 21, 06 | Jul 17, 08 | ACQUAQUIMICA LTDA |
| 2005/0120,489 | Formulation and process for making formulation for preservation of animal and vegetable tissues | Jan 07, 05 | Jun 09, 05 | Not available |