C08J 2461/20
Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached
Official title: Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
C08J2461/20 (Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached) appears on 41 US grants and 66 published applications in this corpus.
Search patents in C08J- Granted patents
- 41
- Published applications
- 66
- Assignees
- 43
- Inventors
- 162
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 4 | 5 |
| 2016 | 1 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 4 | 4 |
| 2020 | 3 | 9 |
| 2021 | 5 | 2 |
| 2022 | 3 | 10 |
| 2023 | 2 | 4 |
| 2024 | 6 | 4 |
| 2025 | 4 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Black knot melanin—a super-additive with UV absorbing and antioxidant properties7 Apr 2026US 12,595,357 B2The University of Akron
- Vitrimers containing additives26 Aug 2025US 12,398,264 B2Mallinda
- Scrubber17 Jun 2025US 12,329,338 B2Scrub Daddy, Inc.
- Polyimide precursor solution and method for producing porous polyimide film8 Apr 2025US 12,269,948 B2FUJIFILM Business Innovation Corp.
- Vulcanization composition for reducing allergenic potential and elastomeric articles formed therewith4 Feb 2025US 12,215,205 B2Allegiance Corporation
- Cof aerogel composite adsorbent for pfas treatment, preparation method and application thereof16 Apr 2026US 2026/0103405 A1Beijing Technology and Business University
- Anti-uv coating12 Mar 2026US 2026/0071081 A1Nexdot
- Silicone foam with improved sound absorption13 Nov 2025US 2025/0346762 A1
- Scrubber11 Sep 2025US 2025/0281017 A1Scrub Daddy, Inc.
- Composite sheet, method for manufacturing same and home appliance including same1 May 2025US 2025/0136791 A1LG Electronics Inc.
Most cited
By later US patents
- Powder based balancing layer63US 9,085,905 B2Välinge Innovation AB · 2015
- Powder based balancing layer52US 10,214,913 B2Välinge Innovation AB · 2019
- Powder based balancing layer34US 11,046,063 B2Välinge Innovation AB · 2021
- Lightweight particles and compositions containing them31US 8,993,691 B2PPG Industries Ohio, Inc. · 2015
- Lightweight particles and compositions containing them29US 8,816,023 B2PPG Industries Ohio, Inc. · 2014