C08F 234/00
Copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side
Official title: Copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring (cyclic esters of polyfunctional acids C08F218/00; cyclic anhydrides or imides C08F222/00)
C08F234/00 (Copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side) appears on 101 US grants and 104 published applications in this corpus.
Search patents in C08F- Granted patents
- 101
- Published applications
- 104
- Assignees
- 80
- Inventors
- 327
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 4 |
| 2012 | 4 | 4 |
| 2013 | 5 | 9 |
| 2014 | 6 | 6 |
| 2015 | 9 | 8 |
| 2016 | 5 | 3 |
| 2017 | 5 | 2 |
| 2018 | 4 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 2 |
| 2021 | 1 | 5 |
| 2022 | 4 | 4 |
| 2023 | 4 | 8 |
| 2024 | 5 | 9 |
| 2025 | 4 | 6 |
| 2026 | 2 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High temperature benzoxazine resins, methods, and uses thereof4 Aug 2026US 12,698,357 B2Kaneka Corporation
- Binder polymer obtainable by copolymerizing a monomer mixture comprising a vinyl monomer and a butenolide monomer17 Mar 2026US 12,577,428 B2Akzo Nobel Coatings International B. V.
- Gas separation articles composed of amorphous fluorinated copolymers of dioxolanes and other fluorinated ring monomers and methods of making and using thereof18 Nov 2025US 12,473,391 B2Chromis Fiberoptics, Inc.
- Radiation-curable coating composition, method of coating a substrate and coated substrate9 Sep 2025US 12,410,319 B2Akzo Nobel Coatings International B. V.
- Black particles, black coating material, coating film, and black matrix for color filters19 Aug 2025US 12,391,781 B2Sekisui Chemical Co., Ltd.
- Polymerized, crosslinked electrolyte for an electrochemical cell17 Sep 2026US 2026/0279891 A1
- Debondable adhesive3 Sep 2026US 2026/0258287 A1D-Glue Corp.
- Novel vinyl ether polymers and copolymers and processes for producing the same27 Aug 2026US 2026/0250440 A1ExxonMobil Technology and Engineering Company
- Coating composition comprising a binder polymer obtainable by copolymerizing a monomer mixture comprising a vinyl monomer and a butenolide monomer23 Jul 2026US 2026/0209543 A1Akzo Nobel Coatings International B. V.
- Cycloolefin resin composition, resin material, preparation method therefor, and use thereof2 Jul 2026US 2026/0184913 A1Shanghai Sinochem Science & Technology Co., Ltd
Most cited
By later US patents
- Verification system for radiation therapy185US 5,394,452 AWisconsin Alumni Research Foundation · 1995
- Multi-leaf radiation attenuator for radiation therapy122US 5,351,280 AWisconsin Alumni Research Foundation · 1994
- Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole87US 4,754,009 AE. I. Du Pont de Nemours and Company · 1988
- Optical fibers comprising cores clad with amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole73US 4,530,569 AE. I. Du Pont de Nemours and Company · 1985
- Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole44US 5,006,382 AE. I. Du Pont de Nemours and Company · 1991