C08F 226/02
Copolymers of compounds having one or more unsaturated aliphatic radicals, each having
Official title: by a single or double bond to nitrogen
C08F226/02 (Copolymers of compounds having one or more unsaturated aliphatic radicals, each having) appears on 319 US grants and 344 published applications in this corpus.
Search patents in C08F- Granted patents
- 319
- Published applications
- 344
- Assignees
- 227
- Inventors
- 1,039
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 4 |
| 2003 | 2 | 4 |
| 2004 | 0 | 5 |
| 2005 | 1 | 5 |
| 2006 | 4 | 15 |
| 2007 | 4 | 15 |
| 2008 | 1 | 13 |
| 2009 | 4 | 13 |
| 2010 | 11 | 16 |
| 2011 | 9 | 11 |
| 2012 | 12 | 19 |
| 2013 | 13 | 11 |
| 2014 | 14 | 13 |
| 2015 | 9 | 15 |
| 2016 | 17 | 20 |
| 2017 | 17 | 19 |
| 2018 | 11 | 21 |
| 2019 | 18 | 20 |
| 2020 | 14 | 20 |
| 2021 | 12 | 12 |
| 2022 | 7 | 22 |
| 2023 | 10 | 19 |
| 2024 | 12 | 12 |
| 2025 | 4 | 15 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of preparing aldehyde-functionalized polymers29 Sep 2026US 12,747,307 B2Ecolab USA Inc.
- HCL-binding compositions for and methods of treating acid-base disorders2 Jun 2026US 12,642,815 B2Renibus Therapeutics, Inc.
- Cationic polymer nanoparticles17 Feb 2026US 12,552,953 B2Agfa NV
- Biocidal polymer for long-term surface protection10 Feb 2026US 12,545,804 B2South Dakota Board of Regents
- Ink composition6 Jan 2026US 12,516,203 B2Domino Printing Sciences PLC
- Methods of synthesizing vinylamine-containing polymer solutions and vinylamine-containing polymer solutions synthesized through the methods17 Sep 2026US 2026/0275016 A1Solenis Technologies, L.P.
- Relative permeability modifier for subterranean formation16 Jul 2026US 2026/0201241 A1Halliburton Energy Services.Inc.
- Anion exchange membrane and method of preparing the same11 Jun 2026US 2026/0159656 A1Toray Advanced Materials Korea Inc.
- Composition for 3d printing support or 3d cell culture support15 Jan 2026US 2026/0015577 A1Jsr Corporation
- Copolymer, electroluminescent device material including copolymer, and electroluminescent device11 Dec 2025US 2025/0376622 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Long wearable soft contact lens322US 6,867,245 B2Asahikasei Aime Co., Ltd · 2005
- Compositions and methods for selective modification of subterranean formation permeability166US 6,228,812 B1BJ Services Company · 2001
- (Meth)acrylic acid esters of unsaturated aminoalcohols and preparation thereof106US 7,652,111 B2BASF SE · 2010
- Long-wearable soft contact lens84US 8,637,621 B2CooperVision International Holding Company, LP · 2014
- Superabsorbent polymer with high permeability71US 7,169,843 B2Stockhausen GmbH & Co. KG · 2007