C08G 75/22
Copolymers of sulfur dioxide with unsaturated aliphatic compounds
C08G75/22 (Copolymers of sulfur dioxide with unsaturated aliphatic compounds) appears on 45 US grants and 19 published applications in this corpus.
Search patents in C08G- Granted patents
- 45
- Published applications
- 19
- Assignees
- 24
- Inventors
- 87
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 5 |
| 2020 | 0 | 0 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Aliphatic polysulfones with improved mechanical integrity28 Jun 2022US 11,370,887 B2University of Florida Research Foundation, Inc.
- Aliphatic polysulfones with improved mechanical integrity11 May 2021US 11,001,673 B2University of Florida Research Foundation, Inc.
- Copolymer of diallylamines and sulfur dioxide, and method for producing same27 Apr 2021US 10,988,577 B2Nitto Boseki Co., Ltd.
- Crosslinked polymer resin for contaminant adsorption from water12 Jan 2021US 10,889,688 B2King Fahd University of Petroleum and Minerals
- Copolymer of diallylamines and sulfur dioxide, and method for producing same15 Oct 2019US 10,442,895 B2Nitto Boseki Co., Ltd.
- Method for detecting mutation in target base sequence of nucleic acid, method for selectively inhibiting amplification of nucleic acid, and kits for performing same6 Feb 2025US 2025/0043335 A1Nitto Boseki Co., Ltd.
- Aliphatic polysulfones with improved mechanical integrity15 Jul 2021US 2021/0214505 A1University of Florida Research Foundation, Inc.
- Aliphatic polysulfones with improved mechanical integrity19 Dec 2019US 2019/0382533 A1University of Florida Research Foundation, Inc.
- Crosslinked polymer resin for contaminant adsorption from water12 Dec 2019US 2019/0375895 A1King Fahd University of Petroleum and Minerals
- Copolymer of diallylamines and sulfur dioxide, and method for producing same5 Dec 2019US 2019/0367683 A1Nitto Boseki Co., Ltd.
Most cited
By later US patents
- Copolymer of sulfur dioxide and nuclear-substituted trialkylgermylstyrene30US 5,314,978 AKumho Petrochemical · 1994
- Dihydroxy-pendant rigid-rod benzobisazole polymer24US 5,041,522 AThe United States of America as represented by the Secretary of the Air Force · 1991
- Production of micromoldings having a high aspect ratio15US 5,298,367 ABASF SE · 1994
- Positive radiation sensitive resist terpolymers13US 4,355,094 ARCA Corporation · 1982
- Novel electron beam resist materials13US 4,751,168 ANippon Oil Co., Ltd. · 1988