C14C 3/10
Vegetable tanning
C14C3/10 (Vegetable tanning) appears on 22 US grants and 34 published applications in this corpus.
Search patents in C14C- Granted patents
- 22
- Published applications
- 34
- Assignees
- 27
- Inventors
- 91
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 5 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 4 |
| 2021 | 0 | 1 |
| 2022 | 3 | 4 |
| 2023 | 0 | 5 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 3 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of epoxidized vegetable oils as tanning agents29 Sep 2026US 12,747,482 B2Workem S.R.L. Unipersonale
- Preparation method of plant biomass-based active tanning agent21 Apr 2026US 12,606,876 B2Sichuan University
- Process for tanning animal hide10 Feb 2026US 12,545,969 B2University of Lancaster
- Process for tanning leathers, pre-tanning products and use thereof18 Mar 2025US 12,252,752 B2Silvateam S.P.A.
- Method of manufacturing a footwear25 Feb 2025US 12,232,565 B2ECCO Sko A/S
- Grafted polymer of mono-unsaturated polycarboxylic acid as dyeing auxiliary or as re-tanning agent for leather9 Apr 2026US 2026/0098312 A1Stahl International B.V.
- Use Of Epoxidized Vegetable Oils As Tanning Agents2 Jan 2025US 2025/0003019 A1Workem S.R.L. Unipersonale
- Preparation method of plant biomass-based active tanning agent25 Jul 2024US 2024/0247326 A1Sichuan University
- Process for tanning animal hide28 Mar 2024US 2024/0102117 A1University of Lancaster
- Retanning and fatliquoring compositions comprising a hemp oil derivative14 Sep 2023US 2023/0287527 A1Unique-Co, Inc.
Most cited
By later US patents
- Method for treating a substrate made of animal fibers with solid particles and a chemical formulation comprising a colourant19US 9,845,516 B2Xeros Limited · 2017
- Method for treating an animal substrate12US 10,301,691 B2Xeros Limited · 2019
- Method for treating a substrate made of animal fibers with solid particles and a chemical formulation5US 10,745,769 B2Xeros Limited · 2020
- Process for producing leather1US 6,395,040 B1Wolverine World Wide, Inc. · 2002
- Process for the provision of a plant extract containing condensed tannins, with astringent characteristics, modified by copolymerization, for use in tanning and retainning of skins, a plant extract with astringent characteristics, modified by copolymerization, and use of a modified plant extract containing tannings1US 6,955,826 B2Tanac S.A. · 2005