C09D 161/20
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 (with amino phenols C09D161/04)
C09D161/20 (Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached) appears on 458 US grants and 374 published applications in this corpus.
Search patents in C09D- Granted patents
- 458
- Published applications
- 374
- Assignees
- 205
- Inventors
- 1,006
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 15 | 0 |
| 1979 | 8 | 0 |
| 1980 | 13 | 0 |
| 1981 | 21 | 0 |
| 1982 | 15 | 0 |
| 1983 | 13 | 0 |
| 1984 | 15 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 5 | 12 |
| 2003 | 16 | 15 |
| 2004 | 9 | 16 |
| 2005 | 4 | 4 |
| 2006 | 8 | 6 |
| 2007 | 4 | 6 |
| 2008 | 1 | 11 |
| 2009 | 0 | 9 |
| 2010 | 4 | 11 |
| 2011 | 7 | 4 |
| 2012 | 7 | 7 |
| 2013 | 8 | 16 |
| 2014 | 4 | 20 |
| 2015 | 13 | 29 |
| 2016 | 20 | 43 |
| 2017 | 21 | 19 |
| 2018 | 25 | 22 |
| 2019 | 23 | 28 |
| 2020 | 18 | 25 |
| 2021 | 16 | 15 |
| 2022 | 19 | 13 |
| 2023 | 10 | 14 |
| 2024 | 7 | 14 |
| 2025 | 9 | 5 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Melamine-based polymers and uses thereof6 Oct 2026US 12,753,272 B2Bio-Fence Ltd.
- Multilayer film and method for producing same22 Sep 2026US 12,742,048 B2Toray Industries, Inc.
- Acrylic polyester resin and an aqueous coating composition containing the same15 Sep 2026US 12,735,524 B2PPG Industries Ohio, Inc.
- Coated articles and their method of manufacturing and use28 Apr 2026US 12,612,733 B2Surfactor Germany GmbH
- Crosslinking agent composition for water-compatible resin, and water-compatible resin composition14 Apr 2026US 12,600,811 B2Nisshinbo Chemical Inc.
- Crosslinkable coating system and coatings prepared from the same23 Jul 2026US 2026/0209545 A1Swimc LLC
- Resist underlayer film-forming composition containing long chain alkyl group-containing novolac23 Jul 2026US 2026/0211332 A1Nissan Chemical Corporation
- Method of producing a building panel and a building panel18 Jun 2026US 2026/0167840 A1Välinge Innovation AB
- Methods of depositing thermally conductive polymeric films7 May 2026US 2026/0130143 A1APPLIED Materials.Inc.
- Laser-releasable bonding materials for 3-d ic applications16 Apr 2026US 2026/0107739 A1Brewer Science Inc.
Most cited
By later US patents
- Digital thermal binder and powder printing71US 9,670,371 B2Ceraloc Innovation AB · 2017
- Powder based balancing layer63US 9,085,905 B2Välinge Innovation AB · 2015
- Latent catalysts59US 5,187,019 AKing Industries, Inc. · 1993
- High solids can coating composition containing epoxy, acrylic and aminoplast resins58US 4,369,283 AE. I. Du Pont de Nemours and Company · 1983
- Hydroxyalkyl carbamate diluent for coating compositions and compositions containing the same58US 4,520,167 AAmerican Cyanamid Company · 1985