Description
Class C14C : CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
Subclass 1/00: Chemical treatment prior to tanning
C14C 1/00
Sub-Class
Stats
- 21 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 358 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11739390 | Tanning agent-free leather making method | Aug 31, 22 | Aug 29, 23 | Sichuan University |
| 11351805 | Decorated natural leather | Apr 04, 18 | Jun 07, 22 | AGFA NV |
| 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 |
| 10260115 | Leather production using waste liquids | Nov 09, 16 | Apr 16, 19 | Not available |
| 10047410 | Methods of preserving hides | Nov 19, 10 | Aug 14, 18 | LEATHERTEQ LIMITED |
| 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 |
| 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. |
| 9206486 | Method for tanning animal skins | Apr 21, 10 | Dec 08, 15 | FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
| 8894476 | System for reducing microbial levels on the hide of an animal | Jan 29, 14 | Nov 25, 14 | BARCLAYS BANK PLC, AS ADMINISTRATIVE AGENT, JBS USA, LLC, SWIFT BEEF COMPANY, |
| 8574884 | Thermostable neutral metalloproteases | Jan 06, 12 | Nov 05, 13 | DANISCO US INC., The Procter & Gamble Company, |
| 8308821 | Process for treating animal skins | Jun 04, 09 | Nov 13, 12 | AKZO NOBEL CHEMICALS INTERNATIONAL B.V., Gases Research Innovation and Technology S.L., GASES RESEARCH INNOVATION AND TECHNOLOGY S.L. (GRIT S.L.), |
| 8206461 | Process and device for treating leather | Aug 23, 11 | Jun 26, 12 | BOXMARK LEATHER proizvodnja in trgovina d.o.o. |
| 7581415 | Apparatus for feeding and discharging liquid contents in a fulling vat for the treatment of hides and skins | Oct 03, 05 | Sep 01, 09 | Not available |
| 7461526 | Spiral system reactor for the treatment of hides and skins | May 27, 04 | Dec 09, 08 | Not available |
| 7186546 | Process for the preparation of alkaline protease | Apr 09, 04 | Mar 06, 07 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 6811572 | Plush leather-like sheet product and method for production thereof | Mar 12, 02 | Nov 02, 04 | TORAY INDUSTRIES, INC. |
| 6663676 | Preparation of an aqueous composition for treating leather | Oct 19, 00 | Dec 16, 03 | ROHM AND HAAS COMPANY |
| 6540790 | Tanning leather | Apr 14, 00 | Apr 01, 03 | RHODIA CONSUMER SPECIALTIES LIMITED |
| 6190904 | High-alkaline protease and its use arginine-substituted subtilisin composition and use | Dec 18, 96 | Feb 20, 01 | GENENCOR INTERNATIONAL, INC. |
| 6121041 | Use of microorganisms for decellularizing bioprosthetic tissue | Jul 31, 96 | Sep 19, 00 | ST. JUDE MEDICAL, INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0043,368 | METHODS OF PRESERVING HIDES | Oct 21, 24 | Feb 06, 25 | Not available |
| 2025/0043,369 | METHOD OF PRESERVING HIDES AND SKINS | Oct 21, 24 | Feb 06, 25 | Not available |
| 2024/0002,962 | METHOD OF PRESERVING HIDES AND SKINS | Sep 14, 23 | Jan 04, 24 | Not available |
| 2024/0002,961 | METHODS OF PRESERVING HIDES | Sep 14, 23 | Jan 04, 24 | Not available |
| 2020/0385,824 | DNA MARKING OF LEATHER | Jun 10, 20 | Dec 10, 20 | Not available |
| 2017/0130,283 | Method For Preserving Hides or Skins | Nov 02, 16 | May 11, 17 | Not available |
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
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)