Class C14C : CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Subclass 3/06: Tanning; Compositions for tanning Chemical tanning Mineral tanning using chromium compounds
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264372 | Hide sorting systems and methods | Sep 11, 23 | Apr 01, 25 | NATIONAL BEEF PACKING COMPANY, LLC |
| 11981970 | Leather odor removal composition and method of manufacturing leather with reduced odor using the same | Oct 05, 21 | May 14, 24 | Hyundai Motor Company; KIA CORPORATION; |
| 11873536 | Environmentally friendly process for tanning hides | Jul 20, 21 | Jan 16, 24 | BEKEN ITALIA S.R.L. |
| 11851722 | Chromium tanning agents | Jan 11, 19 | Dec 26, 23 | TFL Ledertechnik GmbH |
| 11753690 | Hide sorting systems and methods | Sep 07, 21 | Sep 12, 23 | NATIONAL BEEF PACKING COMPANY, LLC |
| 11274353 | Environmentally friendly chrome-tanning method | Feb 18, 16 | Mar 15, 22 | Smit Tanning Holding B.V. |
| 11248273 | Hide customization systems and methods | Nov 18, 19 | Feb 15, 22 | NATIONAL BEEF PACKING COMPANY, LLC |
| 11242574 | Process for producing leather | Jun 12, 17 | Feb 08, 22 | BASF SE |
| 11111551 | Hide sorting systems and methods | Aug 25, 20 | Sep 07, 21 | NATIONAL BEEF PACKING COMPANY, LLC |
| 11040890 | Tannery process with effluent recycling | Dec 09, 19 | Jun 22, 21 | Not available |
| 11001902 | Production of leather | Feb 12, 14 | May 11, 21 | BASF SE |
| 10844445 | Chrome tanning process | Sep 30, 14 | Nov 24, 20 | TECHPOLYMERS INDUSTRIA E COMERCIO Ltda |
| 10752967 | Hide sorting systems and methods | Dec 11, 18 | Aug 25, 20 | NATIONAL BEEF PACKING COMPANY, LLC |
| 10745769 | Method for treating a substrate made of animal fibers with solid particles and a chemical formulation | Apr 11, 14 | Aug 18, 20 | Xeros Limited |
| 10731230 | Tanning process for obtaining leather | Sep 30, 14 | Aug 04, 20 | TECHPOLYMERS INDUSTRIA E COMERCIO Ltda |
| 10648048 | Hexavalent chromium treatment agent and leather or leather article produced using the same | Jan 27, 17 | May 12, 20 | Citizen Watch Co., Ltd |
| 10501336 | Tannery process with effluent recycling | Oct 02, 17 | Dec 10, 19 | Not available |
| 10480040 | Hide customization systems and methods | May 28, 15 | Nov 19, 19 | NATIONAL BEEF PACKING COMPANY, LLC |
| 10428398 | Animal hide dehairing methods | Dec 18, 15 | Oct 01, 19 | NATIONAL BEEF PACKING COMPANY, LLC |
| 10358686 | 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 | Jul 23, 19 | Citizen Watch Co., Ltd |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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 |
| 2018/0230,644 | FIBER REINFORCED TISSUE COMPOSITES | Sep 21, 16 | Aug 16, 18 | MODERN MEADOW, INC. |
| 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 |
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