Class C14C : CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Subclass 3/22: Tanning; Compositions for tanning Chemical tanning by organic agents using polymerisation products
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252752 | Process for tanning leathers, pre-tanning products and use thereof | Mar 10, 22 | Mar 18, 25 | Silvateam S.P.A. |
| 12163197 | Method of manufacturing leather | Dec 24, 20 | Dec 10, 24 | Midori Auto Leather Co., Ltd.; TOYOTA JIDOSBA KABUSHIKI KAISHA.; |
| 11834724 | Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof | Mar 07, 22 | Dec 05, 23 | Sichuan University |
| 11473156 | Chrome-free leather retanning | Dec 18, 15 | Oct 18, 22 | Rohm and Haas Company |
| 11365456 | Method for producing hydrophobicizing leather treatment agents | Dec 04, 17 | Jun 21, 22 | TFL Ledertechnik GmbH |
| 11248274 | Polysaccharide and/or polypeptide based graft polymers as synthetic tannins | May 25, 12 | Feb 15, 22 | LANXESS Deutschland GmbH |
| 11040890 | Tannery process with effluent recycling | Dec 09, 19 | Jun 22, 21 | Not available |
| 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 |
| 10689720 | Drying unit for accommodating a plurality of elongated hollow pelt boards | Jan 06, 17 | Jun 23, 20 | MINKPAPIR A/S |
| 10676798 | Poly-octavinyl polyhedral oligomeric silsesquioxane-acrylic acid nano composite auxiliary agent for leather and preparation method therefor | Jan 13, 17 | Jun 09, 20 | SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY |
| 10501336 | Tannery process with effluent recycling | Oct 02, 17 | Dec 10, 19 | Not available |
| 10301691 | Method for treating an animal substrate | Oct 01, 15 | May 28, 19 | Xeros Limited |
| 10260115 | Leather production using waste liquids | Nov 09, 16 | Apr 16, 19 | Not available |
| 10087497 | Process for retanning leather | Jul 25, 14 | Oct 02, 18 | TFL Ledertechnik GmbH |
| 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 |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0284,650 | POLY-OCTAVINYL POLYHEDRAL OLIGOMERIC SILSESQUIOXANE-ACRYLIC ACID NANO COMPOSITE AUXILIARY AGENT FOR LEATHER AND PREPARATION METHOD THEREFOR | Jan 13, 17 | Sep 19, 19 | Not available |
| 2016/0040,260 | METHOD FOR TREATING A SUBSTRATE MADE OF ANIMAL FIBERS WITH SOLID PARTICLES AND A CHEMICAL FORMULATION | Apr 11, 14 | Feb 11, 16 | XEROS LIMITED |
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