Description
Class C14C : CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Subclass 3/08: Tanning; Compositions for tanning Chemical tanning by organic agents
C14C 3/08
Sub-Class
Stats
- 16 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 9 Total Patent Owners
- 155 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11963993 | Process for obtaining a tannin extract isolated from grapes, tannin extract obtained and uses thereof | May 23, 17 | Apr 23, 24 | UNIVERSITAT DE LLEIDA |
| 11248274 | Polysaccharide and/or polypeptide based graft polymers as synthetic tannins | May 25, 12 | Feb 15, 22 | LANXESS Deutschland GmbH |
| 10870896 | Solid, particulate tanning agent preparations | Mar 29, 12 | Dec 22, 20 | LANXESS Deutschland GmbH |
| 10648048 | Hexavalent chromium treatment agent and leather or leather article produced using the same | Jan 27, 17 | May 12, 20 | Citizen Watch Co., Ltd |
| 10301691 | Method for treating an animal substrate | Oct 01, 15 | May 28, 19 | Xeros Limited |
| 10280474 | Dispersing agent composition for tanning of hides/skins and process for the preparation thereof | Jul 11, 16 | May 07, 19 | Council of Scientific & Industrial Research |
| 9938592 | Liquid smoke tanning method | Feb 06, 16 | Apr 10, 18 | Not available |
| 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 |
| 9328394 | Agent and method for tanning skins and pelts | Nov 21, 08 | May 03, 16 | MB-HOLDING GMBH & CO. KG |
| 9279164 | Method for producing leather for covering aircraft seats with leather | Jan 26, 12 | Mar 08, 16 | WOLLSDORF LEDER SCHMIDT & CO. GES.M.B.H. |
| 8795389 | Non metal tanning | Oct 05, 11 | Aug 05, 14 | STAHL INTERNATIONAL BV |
| 8790416 | Non-metal tanning process | Oct 05, 11 | Jul 29, 14 | STAHL INTERNATIONAL BV |
| 8357207 | Leather treatment and agent | Nov 27, 06 | Jan 22, 13 | TFL Ledertechnik GmbH |
| 6953483 | Aloe vera processed leather and leather gloves, garments, shoes and sandals made from aloe vera processed leather and a process for making aloe vera processed leather | Mar 05, 03 | Oct 11, 05 | Bali Leathers, Inc. |
| RE34986 | Tanning agent formulation for manufacture of semifinished leather products | Nov 24, 93 | Jul 04, 95 | SCHILL + SEILACHER AG |
| 5425783 | Technique of tanning snake skins, and a material for painting and calligraphy produced by the technique | Mar 31, 93 | Jun 20, 95 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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. |
| 2014/0123,399 | SOLID, PARTICULATE TANNING AGENT PREPARATIONS | Mar 29, 12 | May 08, 14 | LANXESS DEUTSCHLAND GMBH, LANXESS DEUTSCHLAND GMBH COLOGNE, |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 49 Months (last 2 years Issuances)
- 49 Months (last 5 years Issuances)