C08F 20/00
Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals
Official title: Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
C08F20/00 (Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals) appears on 3,176 US grants and 2,553 published applications in this corpus.
Search patents in C08F- Granted patents
- 3,176
- Published applications
- 2,553
- Assignees
- 1,232
- Inventors
- 7,976
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 81 | 0 |
| 1977 | 62 | 0 |
| 1978 | 59 | 0 |
| 1979 | 42 | 0 |
| 1980 | 41 | 0 |
| 1981 | 58 | 0 |
| 1982 | 41 | 0 |
| 1983 | 44 | 0 |
| 1984 | 38 | 0 |
| 1985 | 41 | 0 |
| 1986 | 49 | 0 |
| 1987 | 38 | 0 |
| 1988 | 47 | 0 |
| 1989 | 62 | 0 |
| 1990 | 55 | 0 |
| 1991 | 46 | 0 |
| 1992 | 51 | 0 |
| 1993 | 66 | 0 |
| 1994 | 60 | 0 |
| 1995 | 57 | 0 |
| 1996 | 50 | 0 |
| 1997 | 79 | 0 |
| 1998 | 62 | 0 |
| 1999 | 66 | 0 |
| 2000 | 47 | 0 |
| 2001 | 59 | 15 |
| 2002 | 54 | 47 |
| 2003 | 38 | 65 |
| 2004 | 48 | 51 |
| 2005 | 26 | 42 |
| 2006 | 37 | 39 |
| 2007 | 30 | 28 |
| 2008 | 12 | 33 |
| 2009 | 17 | 29 |
| 2010 | 24 | 66 |
| 2011 | 30 | 77 |
| 2012 | 26 | 79 |
| 2013 | 53 | 106 |
| 2014 | 65 | 103 |
| 2015 | 95 | 76 |
| 2016 | 85 | 92 |
| 2017 | 82 | 137 |
| 2018 | 89 | 205 |
| 2019 | 103 | 199 |
| 2020 | 156 | 240 |
| 2021 | 149 | 182 |
| 2022 | 132 | 161 |
| 2023 | 135 | 159 |
| 2024 | 114 | 126 |
| 2025 | 101 | 97 |
| 2026 | 74 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crystalline radical polymerizable composition for fixing a magnet of a rotating electric machine rotor core, a rotating electric machine rotor core using the composition, and a method of manufacturing the rotating electric machine rotor core6 Oct 2026US 12,756,246 B2Aisin Corporation
- Method for preparing ultra-fine and uniform acrylamide-based polymer hydrogel filament and use thereof29 Sep 2026US 12,747,517 B2Beijing Taijieweiye Technology Co., Ltd
- Poly(meth)acrylic acid (salt)-based water-absorbing resin, and absorbent body15 Sep 2026US 12,734,502 B2Nippon Shokubai Co., Ltd.
- Biomass derived diketones as efficient visible light photoinitiators1 Sep 2026US 12,723,109 B2Bowling Green State University
- Compound, polymerizable composition, polymer, holographic recording medium, optical material, and optical component25 Aug 2026US 12,717,227 B2Mitsubishi Chemical Corporation
- Method for Multicolor Lithography Using Mechanical Force8 Oct 2026US 2026/0308288 A1California Institute of Technology
- Compositions, uses, and methods8 Oct 2026US 2026/0308341 A1Innospec Limited
- B-stageable aqueous binder compositions1 Oct 2026US 2026/0297225 A1Owens Corning Intellectual Capital, LLC
- Toner1 Oct 2026US 2026/0299448 A1Canon Kabushiki Kaisha
- Dispersion powder and method for producing the same, heat ray shielding resin molded product, and heat ray shielding laminate24 Sep 2026US 2026/0286023 A1Sumitomo Metal Mining Co., Ltd.
Most cited
By later US patents
- Acrylic-type pressure sensitive adhesives by means of ultraviolet radiation curing421US 4,181,752 AMinnesota Mining and Manufacturing Company · 1980
- Ultraviolet absorbing polymers comprising 2-hydroxy-5-acrylyloxyphenyl-2H-benzotriazoles297US 4,528,311 AIolab Corporation · 1985
- Pressure-sensitive adhesive crosslinked by copolymerizable aromatic ketone monomers270US 4,737,559 AMinnesota Mining and Manufacturing Company · 1988
- Surface-functionalized mesoporous carbon materials255US 9,249,241 B2UT-Battelle, LLC · 2016
- Tacky polymeric microspheres238US 4,166,152 AMinnesota Mining and Manufacturing Company · 1979