C14C 3/22
Using polymerisation products
Official title: using polymerisation products
C14C3/22 (Using polymerisation products) appears on 46 US grants and 38 published applications in this corpus.
Search patents in C14C- Granted patents
- 46
- Published applications
- 38
- Assignees
- 33
- Inventors
- 163
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 5 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 0 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for tanning leathers, pre-tanning products and use thereof18 Mar 2025US 12,252,752 B2Silvateam S.P.A.
- Method of manufacturing leather10 Dec 2024US 12,163,197 B2Midori Auto Leather Co., Ltd.
- Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof5 Dec 2023US 11,834,724 B2Sichuan University
- Chrome-free leather retanning18 Oct 2022US 11,473,156 B2Rohm and Haas Company
- Method for producing hydrophobicizing leather treatment agents21 Jun 2022US 11,365,456 B2TFL Ledertechnik GmbH
- 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.
- Method of manufacturing leather7 Sep 2023US 2023/0279264 A1white
- Composition for manufacturing leather7 Sep 2023US 2023/0279515 A1white
- Process for tanning leathers, pre-tanning products and use thereof22 Sep 2022US 2022/0298590 A1Silvateam S.P.A.
- Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof11 Aug 2022US 2022/0251672 A1Sichuan University
Most cited
By later US patents
- Polyacrylic acid compositions for textile processing34US 5,212,272 APeach State Labs, Inc. · 1993
- Polyacrylic acid compositions for textile processing28US 5,629,376 APeach State Labs, Inc. · 1997
- Softening and waterproofing retanning agents20US 5,472,741 ABayer Aktiengesellschaft · 1995
- Method for treating pelts and leather19US 4,314,800 ARohm Co., Ltd. · 1982
- 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