C08F 234/02
In a ring containing oxygen
Official title: in a ring containing oxygen (coumarone-indene polymers C08F244/00)
C08F234/02 (In a ring containing oxygen) appears on 77 US grants and 72 published applications in this corpus.
Search patents in C08F- Granted patents
- 77
- Published applications
- 72
- Assignees
- 56
- Inventors
- 220
- 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 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 8 |
| 2014 | 4 | 4 |
| 2015 | 6 | 4 |
| 2016 | 4 | 3 |
| 2017 | 3 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 3 | 1 |
| 2021 | 0 | 3 |
| 2022 | 3 | 2 |
| 2023 | 2 | 6 |
| 2024 | 3 | 8 |
| 2025 | 3 | 4 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Functional oligomers and functional polymers including hydroxylated polymers and conjugates thereof and uses thereof22 Jul 2025US 12,365,752 B2Massachusetts Institute of Technology
- 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.
- Photosensitive resin composition, insulating film, and display device comprising same4 Jun 2026US 2026/0153805 A1Dongjin Semichem 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