C08G 75/30
Polysulfonamides
Official title: Polysulfonamides; Polysulfonimides
C08G75/30 (Polysulfonamides) appears on 44 US grants and 35 published applications in this corpus.
Search patents in C08G- Granted patents
- 44
- Published applications
- 35
- Assignees
- 36
- Inventors
- 126
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 3 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 4 |
| 2024 | 0 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymerization method for sulfate ester (amine) type linker polymer5 May 2026US 12,617,900 B2Neimenggu Tuwei New Materials Technology Co., Ltd.
- Thiocarbonyl-based poly(O-thiocarbamate) compound and preparation method and use thereof8 Jul 2025US 12,351,687 B2Zhejiang University
- Vinyl sulfonyl agents for thiol-ene polymerization and related uses25 Jul 2023US 11,708,459 B2Inkbit, LLC
- Single-ion polymer electrolyte molecular design20 Jun 2023US 11,682,793 B2Ford Global Technologies, LLC
- Multi-acid polymers from multifunctional amino phosphonic acids and sulfonyl halide precursors and methods of making the same23 Feb 2021US 10,930,961 B2Nissan North America, Inc.
- Compound, composite, solid electrolyte including the same, and all-solid-state battery8 Oct 2026US 2026/0312124 A1LG Chem.Ltd.
- Ionomers with ionic bis(sulfonyl)imide moiety and membranes containing the same9 Oct 2025US 2025/0313668 A1Alliance for Sustainable Energy, LLC
- Polymer electrolytes and methods to produce them26 Jun 2025US 2025/0210706 A1Belenos Clean Power Holding AG
- Vinyl sulfonyl agents for thiol-ene polymerization and related uses12 Dec 2024US 2024/0409691 A1Inkbit, LLC
- Polymer Films11 Apr 2024US 2024/0117133 A1
Most cited
By later US patents
- PH-sensitive polymer containing sulfonamide and its synthesis method45US 6,103,865 AKwangju Institute of Science and Technology · 2000
- Acid stable membranes for nanofiltration28US 7,138,058 B2GE Osmonics, Inc. · 2006
- Polysulfonamide matrices22US 6,837,996 B2GE Osmonics, Inc. · 2005
- Oligonucleotide mimics having nitrogen-containing linkages20US 5,783,682 AIsis Pharmaceuticals, Inc. · 1998
- Process for preparing a sulfonamide polymer matrix12US 6,783,711 B2GE Osmonics, Inc. · 2004