C08F 228/00
Copolymers of compounds having one or more unsaturated aliphatic radicals, each having
Official title: Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur
C08F228/00 (Copolymers of compounds having one or more unsaturated aliphatic radicals, each having) appears on 333 US grants and 373 published applications in this corpus.
Search patents in C08F- Granted patents
- 333
- Published applications
- 373
- Assignees
- 205
- Inventors
- 982
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 6 |
| 2003 | 4 | 7 |
| 2004 | 2 | 1 |
| 2005 | 2 | 7 |
| 2006 | 6 | 5 |
| 2007 | 6 | 12 |
| 2008 | 8 | 6 |
| 2009 | 4 | 8 |
| 2010 | 7 | 19 |
| 2011 | 3 | 19 |
| 2012 | 6 | 25 |
| 2013 | 14 | 27 |
| 2014 | 24 | 29 |
| 2015 | 26 | 17 |
| 2016 | 28 | 29 |
| 2017 | 28 | 29 |
| 2018 | 19 | 18 |
| 2019 | 19 | 30 |
| 2020 | 16 | 18 |
| 2021 | 27 | 14 |
| 2022 | 9 | 17 |
| 2023 | 13 | 11 |
| 2024 | 5 | 6 |
| 2025 | 9 | 8 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Narrow band gap conjugated polymers employing cross-conjugated donors useful in electronic devices6 Oct 2026US 12,753,259 B2The Regents of the University of California
- Photopolymerizable dental composites with rapid curing and low shrinkage stress4 Aug 2026US 12,698,350 B2Ivoclar Vivadent AG
- Polymeric particles28 Jul 2026US 12,692,326 B2Life Technologies Corporation
- Composition, pattern forming method, semiconductor device, and method for manufacturing semiconductor device31 Mar 2026US 12,590,173 B2Kioxia Corporation
- Modified polyvinyl alcohol resin with improved solubility in alcohol mixtures10 Mar 2026US 12,570,780 B2Sekisui Specialty Chemicals America, LLC
- Improving the mechanical integrity of polysulfonic acids1 Oct 2026US 2026/0297234 A1
- Solution-Based Synthesis of Chalcogenide Polymers24 Sep 2026US 2026/0286031 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Electrophotographic member, electrophotographic process cartridge, electrophotographic image forming apparatus, and copolymer18 Jun 2026US 2026/0169401 A1Canon Kabushiki Kaisha
- Copolymer for separator and secondary battery comprising same28 May 2026US 2026/0146120 A1Hansol Chemical Co., Ltd.
- Non-fluorosurfactant, preparation method therefor, and use thereof5 Feb 2026US 2026/0035499 A1Zhonghao Chenguang Research Institute of Chemical Industry Co., Ltd.
Most cited
By later US patents
- Copolymers of tetrafluoroethylene and perfluorinated sulfonyl monomers and membranes made therefrom99US 5,463,005 AGas Research Institute · 1995
- Silicone polymers comprising sulfonic acid groups89US 8,940,812 B2Johnson & Johnson Vision Care, Inc. · 2015
- Crosslinkable polymers having vinylsulfonyl groups or styrylsulfonyl groups and their use as hardeners for gelatin45US 4,161,407 AEastman Kodak Company · 1979
- High refractive index microreplication resin from naphthyloxyalkylmethacrylates or naphthyloxyacrylates polymers44US 6,541,591 B23M Innovative Properties Company · 2003
- Superabsorbent crosslinked ampholytic ion pair copolymers43US 5,075,399 APhillips Petroleum Company · 1991