Class C14C : CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Subclass 3/26: Tanning; Compositions for tanning Chemical tanning by organic agents using other organic substances, containing halogen
| 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. |
| 12215088 | Method for the industrial production of 2-halo-4,6-dialkoxy-1,3,5-triazines and their use in the presence of amines | Jul 22, 21 | Feb 04, 25 | CROSSING SRL |
| 11702712 | Cationic cyanuric chloride derivative tanning agent and preparation method thereof | Dec 20, 21 | Jul 18, 23 | SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY |
| 11111221 | Method for the industrial production of 2-halo- 4,6-dialkoxy-l,3,5-triazines and their use in the presence of amines | Dec 22, 15 | Sep 07, 21 | CROSSING SRL |
| 11104767 | Use of 2,4-dihalo-6-substituted-1,3,5-triazines and derivative thereof as condensation, cross-linking, tanning, grafting and curing agents | Jun 15, 17 | Aug 31, 21 | CROSSING SRL |
| 9970070 | Chrome-free leather retanning | Oct 15, 14 | May 15, 18 | Rohm and Haas Company |
| 9376729 | Compositions comprising at least one compound containing a carbamoyl sulfonate group and use of the same as tanning agents | Jul 28, 11 | Jun 28, 16 | LANXESS DEUTSCHLAND GMBH |
| 8808398 | Non metal tanning | Oct 25, 11 | Aug 19, 14 | STAHL INTERNATIONAL BV |
| 8801804 | Non-metal tanning process | Oct 05, 11 | Aug 12, 14 | STAHL INTERNATIONAL BV |
| 8795389 | Non metal tanning | Oct 05, 11 | Aug 05, 14 | STAHL INTERNATIONAL BV |
| 8795390 | Non metal tanning | Oct 25, 11 | Aug 05, 14 | STAHL INTERNATIONAL BV |
| 8790415 | Non metal tanning | Oct 05, 11 | Jul 29, 14 | STAHL INTERNATIONAL BV |
| 8790416 | Non-metal tanning process | Oct 05, 11 | Jul 29, 14 | STAHL INTERNATIONAL BV |
| 8679195 | Tanning process and tanning composition | Mar 04, 10 | Mar 25, 14 | STAHL INTERNATIONAL BV |
| 8679196 | Non metal tanning | Oct 25, 11 | Mar 25, 14 | STAHL INTERNATIONAL BV |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0115,970 | LEATHER OR RETANNING COMPOUND WITH CYCLODEXTRIN BASED INCLUSION COMPOUND | Mar 21, 23 | Apr 10, 25 | Not available |
| 2025/0051,864 | ZEOLITE PARTICLES | Dec 21, 22 | Feb 13, 25 | Not available |
| 2025/0026,728 | METHOD FOR THE INDUSTRIAL PRODUCTION OF 2-HALO-4,6-DIALKOXY-1,3,5-TRIAZINES AND THEIR USE IN THE PRESENCE OF AMINES | Oct 08, 24 | Jan 23, 25 | CROSSING SRL |
| 2024/0052,438 | USE OF REACTIVE CROSS-LINKING AGENTS FOR PROTEIN-CONTAINING SUBSTRATES AND PROCESSES FOR TANNING AND DYEING OF LEATHER | Dec 21, 21 | Feb 15, 24 | Not available |
| 2024/0018,715 | BIOBASED MATERIAL AND METHOD FOR PREPARING SAME | Oct 15, 21 | Jan 18, 24 | Centre National De La Recherche Scientifique (CNRS); UNIVERSITE JEAN MONNET, SAINT ETIENNE; La Tannerie Vegetale; Université Claude Bernard Lyon 1; |
| 2019/0161,815 | PROBIOTIC COMPOSITION AS LEATHER AUXILIARY AGENTS AND USE THEREOF | Jun 08, 16 | May 30, 19 | Not available |
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