Description
Class C14C : CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Subclass 3/04: Tanning; Compositions for tanning Chemical tanning Mineral tanning
C14C 3/04
Sub-Class
Stats
- 10 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 5 Total Patent Owners
- 85 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12129524 | Chrome-free tanning process of ecological leather | May 11, 22 | Oct 29, 24 | Sichuan University |
| 11274353 | Environmentally friendly chrome-tanning method | Feb 18, 16 | Mar 15, 22 | Smit Tanning Holding B.V. |
| 9683327 | Cutting and double-face leather integrated dyeing process for tan sheep skin | Nov 07, 14 | Jun 20, 17 | Ningxia Wuzhong Jingyi Fur-Products Co., LTD. |
| 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 |
| 8790416 | Non-metal tanning process | Oct 05, 11 | Jul 29, 14 | STAHL INTERNATIONAL BV |
| 5500020 | Process for titanium-based mixed tannings | May 23, 95 | Mar 19, 96 | COLOROBBIA ITALIA S.P.A. |
| 5409501 | Dilutable aluminum triformate tanning agents in the form of highly concentrated, storable aqueous solutions and their use | Mar 14, 94 | Apr 25, 95 | COGNIS IP MANAGEMENT GMBH |
| 5326377 | Method of treating hides | Apr 30, 92 | Jul 05, 94 | AGA AB |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0048,487 | Zeolite composition suitable for tanning leather | Dec 10, 20 | Feb 16, 23 | Smit Tanning B.V. |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)