C08G 75/24
Polysulfonates
C08G75/24 (Polysulfonates) appears on 39 US grants and 43 published applications in this corpus.
Search patents in C08G- Granted patents
- 39
- Published applications
- 43
- Assignees
- 37
- Inventors
- 92
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 4 |
| 2015 | 3 | 2 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 3 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 0 |
| 2023 | 2 | 5 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Antioxidant for fuel cell having antioxidative property and proton conductivity and producing method thereof30 Jun 2026US 12,668,665 B2Hyundai Motor Company
- Electrically conductive elastomer and method of synthesizing the same5 May 2026US 12,617,899 B2Korea Institute of Science and Technology
- Polymerization method for sulfate ester (amine) type linker polymer5 May 2026US 12,617,900 B2Neimenggu Tuwei New Materials Technology Co., Ltd.
- Monomer for polymer gel, polymer gel and preparation therefor27 Jan 2026US 12,534,430 B2Soochow University
- Molecular entrapment via homopolymer self-assembly18 Nov 2025US 12,472,152 B2Northwestern University
- Polysulfate and polysulfonate polymers25 Jun 2026US 2026/0176423 A1The Scripps Research Institute
- High temperature dielectric polymers and films25 Jun 2026US 2026/0179842 A1The Regents of the University of California
- Heat-resistant polysulfates and methods of their use28 May 2026US 2026/0146131 A1The Regents of the University of California
- Semiconductor structure including isolation elements with etching-resistant upper portions and method for manufacturing the same15 Jan 2026US 2026/0018459 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Raw material of coating material for secondary battery separator, coating material for secondary battery separator, secondary battery separator, and secondary battery15 May 2025US 2025/0158221 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Cyclic phenol-aldehyde resins25US 4,259,464 APetrolite Corporation · 1981
- System and method to treat and prevent loss of visual acuity20US 7,905,595 B2CRT Technology, Inc. · 2011
- Thermally resistant thermosetting aromatic polymers containing pendant 1-alkynyl substituents18US 4,221,895 AThe Dow Chemical Company · 1980
- Polymer blends with improved hydrolytic stability15US 4,444,960 AOccidental Chemical Corporation · 1984
- Composite electrolyte with crosslinking agents11US 6,962,959 B2Hoku Scientific, Inc. · 2005