C08F 226/06
Copolymers of compounds having one or more unsaturated aliphatic radicals, each having
Official title: by a heterocyclic ring containing nitrogen
C08F226/06 (Copolymers of compounds having one or more unsaturated aliphatic radicals, each having) appears on 808 US grants and 869 published applications in this corpus.
Search patents in C08F- Granted patents
- 808
- Published applications
- 869
- Assignees
- 469
- Inventors
- 2,456
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 19 | 0 |
| 1994 | 19 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 18 | 3 |
| 2002 | 12 | 11 |
| 2003 | 15 | 8 |
| 2004 | 6 | 10 |
| 2005 | 9 | 11 |
| 2006 | 2 | 22 |
| 2007 | 3 | 27 |
| 2008 | 10 | 17 |
| 2009 | 8 | 34 |
| 2010 | 12 | 32 |
| 2011 | 20 | 35 |
| 2012 | 18 | 54 |
| 2013 | 23 | 44 |
| 2014 | 29 | 43 |
| 2015 | 36 | 52 |
| 2016 | 42 | 46 |
| 2017 | 41 | 36 |
| 2018 | 41 | 50 |
| 2019 | 27 | 51 |
| 2020 | 44 | 47 |
| 2021 | 46 | 56 |
| 2022 | 28 | 53 |
| 2023 | 24 | 34 |
| 2024 | 28 | 37 |
| 2025 | 33 | 33 |
| 2026 | 15 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photosensitive polymer and resist composition having the same28 Jul 2026US 12,692,335 B2Chempole Co., Ltd.
- Materials for reducing acids from liquid phases2 Jun 2026US 12,643,971 B2The Board of Trustees of The University of Alabama
- Pressure-sensitive adhesive sheet and use thereof5 May 2026US 12,617,985 B2Nitto Denko Corporation
- Imidazoles and imidazolium cations with exceptional alkaline stability21 Apr 2026US 12,606,666 B2Cornell University
- Polymers and methods for ophthalmic applications21 Apr 2026US 12,607,776 B2Key Medical Technologies, Inc.
- Materials for reducing acids from liquid phases10 Sep 2026US 2026/0265434 A1The Board of Trustees of The University of Alabama
- Method for preparing transparent and heat-sensitive polycaprolactam coatings on polymer substrates10 Sep 2026US 2026/0265476 A1Consejo Superior De Investigaciones Cientificas (Csic)
- N-vinyl lactam copolymer and composition3 Sep 2026US 2026/0258178 A1Nippon Shokubai Co., Ltd.
- Polymers and methods for ophthalmic applications27 Aug 2026US 2026/0251820 A1Key Medical Technologies, Inc.
- Active energy ray-curable composition and cured product thereof13 Aug 2026US 2026/0234306 A1Sanyo Chemical Industries, Ltd.
Most cited
By later US patents
- Long wearable soft contact lens322US 6,867,245 B2Asahikasei Aime Co., Ltd · 2005
- Hydrophilic oxygen permeable polymers250US 4,910,277 A1990
- Polymer compositions for contact lenses146US 5,006,622 ABausch & Lomb Incorporated · 1991
- Wettable hydrogels comprising reactive, hydrophilic, polymeric internal wetting agents141US 7,249,848 B2Johnson & Johnson Vision Care, Inc. · 2007
- Soft contact lenses displaying superior on-eye comfort131US 7,461,937 B2Johnson & Johnson Vision Care, Inc. · 2008