C08F 34/02
In a ring containing oxygen
Official title: in a ring containing oxygen (coumarone-indene polymers C08F244/00)
C08F34/02 (In a ring containing oxygen) appears on 47 US grants and 29 published applications in this corpus.
Search patents in C08F- Granted patents
- 47
- Published applications
- 29
- Assignees
- 33
- Inventors
- 92
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Thin-film all-organic electrochemical device4 Mar 2025US 12,244,015 B2Orca Sciences LLC
- Perfluoro copolymers24 Oct 2023US 11,795,254 B1Sparkling Tycoon Limited
- Method of producing sand mold comprising curing a resin and a binder by the same curing agent28 Feb 2023US 11,590,561 B2Daihatsu Motor Co., Ltd.
- Perfluoro copolymers1 Nov 2022US 11,485,814 B1Sparkling Tycoon Limited
- Composition containing fluorine-containing polymer and aprotic solvent, fluorine-containing polymer, method for producing fluorine-containing polymer solution, method for producing mixture of fluorine monomer and aprotic solvent, and method for producing fluorine-containing polymer23 Jul 2026US 2026/0209406 A1Daikin Industries, Ltd.
- Composition containing fluorine-containing monomer and fluoride ions, method for producing fluorine-containing monomer having reduced fluoride ion content, and method for purifying fluorine-containing monomer7 May 2026US 2026/0125355 A1Daikin Industries, Ltd.
- Method for producing hollow fine particles, hollow fine particles, phase separated fine particles, aqueous dispersion, and composition15 Aug 2024US 2024/0269638 A1Daikin Industries, Ltd.
- Perfluoro copolymers16 Nov 2023US 2023/0365731 A1Sparkling Tycoon Limited
- Display protective film20 Oct 2022US 2022/0332860 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Polymers of fluorinated dioxoles80US 3,978,030 AE. I. Du Pont de Nemours and Company · 1976
- Perfluorodioxole and its polymers47US 4,399,264 AE. I. Du Pont de Nemours and Company · 1983
- Novel fluorodioxoles and fluorodioxole polymers35US 4,431,786 AE. I. Du Pont de Nemours and Company · 1984
- Perfluorodioxole and its polymers33US 4,558,141 AE. I. Du Pont de Nemours and Company · 1985
- Perfluorodioxole and its polymers32US 4,485,250 AE. I. Du Pont de Nemours and Company · 1984