C14C 3/16
Using aliphatic aldehydes
Official title: using aliphatic aldehydes
C14C3/16 (Using aliphatic aldehydes) appears on 19 US grants and 22 published applications in this corpus.
Search patents in C14C- Granted patents
- 19
- Published applications
- 22
- Assignees
- 20
- Inventors
- 79
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for tanning animal skins with dialdehydes17 Mar 2026US 12,577,628 B2Db Patents Ltd.
- Process for tanning animal hide10 Feb 2026US 12,545,969 B2University of Lancaster
- Method of manufacturing leather10 Dec 2024US 12,163,197 B2Midori Auto Leather Co., Ltd.
- Chrome-free tanning process of ecological leather29 Oct 2024US 12,129,524 B2Sichuan University
- Chrome-free leather retanning18 Oct 2022US 11,473,156 B2Rohm and Haas Company
- Chrome-free tanning process of ecological leather8 Aug 2024US 2024/0263257 A1Sichuan University
- Process for tanning animal hide28 Mar 2024US 2024/0102117 A1University of Lancaster
- Method of manufacturing leather4 Aug 2022US 2022/0243292 A1Midori Auto Leather Co., Ltd.
- Metal-free tanning method15 Jul 2021US 2021/0214811 A1Santori Pellami S.P.A
- Chrome-free leather retanning10 Dec 2020US 2020/0385825 A1Rohm and Haas Company
Most cited
By later US patents
- Anticalcification treatment for aldehyde-tanned biological tissue77US 5,476,516 AAlbert Einstein College of Medicine of Yeshiva University · 1995
- Tanning agent formulation for manufacture of semifinished leather products14US 5,011,499 ASchill & Seilacher GmbH & Co. · 1991
- Method for treating an animal substrate12US 10,301,691 B2Xeros Limited · 2019
- Aqueous composition for the pretanning of hide pelts or retanning of leather3US 5,733,340 ACiba Specialty Chemicals Corporation · 1998
- Self-tanning, pretanning and assist tanning of pelts and skin pelts and retanning of leather and skin2US 5,372,609 ABASF SE · 1994