C07C 309/82
Of a carbon skeleton substituted by singly-bound oxygen atoms
Official title: of a carbon skeleton substituted by singly-bound oxygen atoms
C07C309/82 (Of a carbon skeleton substituted by singly-bound oxygen atoms) appears on 49 US grants and 36 published applications in this corpus.
Search patents in C07C- Granted patents
- 49
- Published applications
- 36
- Assignees
- 28
- Inventors
- 83
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 5 |
| 2004 | 3 | 5 |
| 2005 | 1 | 0 |
| 2006 | 3 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 2 |
| 2011 | 1 | 6 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Perfluorosulfonyl monomers suitable for fluoropolymers and fuel cell membrane articles24 Jun 2025US 12,341,227 B23M Innovative Properties Company
- Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods7 Jan 2025US 12,187,821 B2AGC Inc.
- Iodine-containing compound4 Jun 2024US 11,999,761 B2Daikin Industries, Ltd.
- Fluorosulfonyl group or sulfonic acid group-containing polymer, its production method and its application16 Aug 2022US 11,414,502 B2AGC Inc.
- Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods8 Feb 2022US 11,242,420 B2AGC Inc.
- Perfluorosulfonyl monomers suitable for fluoropolymers and fuel cell membrane articles5 Jan 2023US 2023/0006230 A13M Innovative Properties Company
- Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods10 Feb 2022US 2022/0041765 A1AGC Inc.
- Iodine-containing compound25 Feb 2021US 2021/0054004 A1Daikin Industries, Ltd.
- Aztreonam derivatives and uses thereof14 Jan 2021US 2021/0009580 A1Arixa Pharmaceuticals, Inc.
- Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods18 Jun 2020US 2020/0190025 A1AGC Inc.
Most cited
By later US patents
- Preparation of perfluorinated vinyl ethers having a sulfonyl fluoride end-group109US 6,624,328 B13M Innovative Properties Company · 2003
- Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof56US 4,329,435 AAsahi Kasei Kogyo Kabushiki Kaisha · 1982
- Polymers, containing a fluorocyclobutyl ring and their preparation28US 6,620,899 B1E. I. Du Pont de Nemours and Company · 2003
- Novel fluorinated cation exchange membrane and process for producing the same24US 4,329,434 AAsahi Kasei Kogyo Kabushiki Kaisha · 1982
- Monomers derived from perhalogenated sultones and polymers obtained from these monomers19US 5,414,117 ACentre National De La Recherche Scientifique · 1995