C08J 2381/08
Polysulfonates
C08J2381/08 (Polysulfonates) appears on 19 US grants and 24 published applications in this corpus.
Search patents in C08J- Granted patents
- 19
- Published applications
- 24
- Assignees
- 31
- Inventors
- 89
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 3 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrically conductive elastomer and method of synthesizing the same5 May 2026US 12,617,899 B2Korea Institute of Science and Technology
- Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same15 Nov 2022US 11,499,016 B2Fresenius Medical Care Holdings, Inc.
- Electrically insulating resin composition and laminate sheet17 May 2022US 11,331,876 B2Nitto Denko Corporation
- Resin composition for manufacturing separator, preparation method therefor, and battery comprising same3 May 2022US 11,322,796 B2LG Chem.Ltd.
- Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same3 Nov 2020US 10,822,461 B2Fresenius Medical Care Holdings, Inc.
- Processes for making three-dimensional polymer networks27 Aug 2026US 2026/0250469 A1Safeguard Dx Ltd
- Polysulfate and polysulfonate polymers25 Jun 2026US 2026/0176423 A1The Scripps Research Institute
- Intrinsically conducting elastomers and methods of making the same5 Jun 2025US 2025/0179297 A1
- A Separator for Alkaline Water Electrolysis3 Aug 2023US 2023/0243054 A1Agfa-Gevaert
- Electrically conductive elastomer and method of synthesizing the same22 Jun 2023US 2023/0192959 A1Korea Institute of Science and Technology
Most cited
By later US patents
- Polymer electrolyte membrane and solid polymer electrolyte fuel cell using same34US 6,933,068 B2Honda Giken Kogyo Kabushiki Kaisha · 2005
- Process of making a composite membrane21US 6,492,431 B1Lynntech, Inc. · 2002
- Process of making a composite membrane16US 6,495,209 B1Lynntech, Inc. · 2002
- Bipolar membrane and method for fabricating such bipolar membrane14US 6,217,733 B1Electricite de France · 2001
- Polymer membrane and a process for the production thereof13US 6,630,518 B12003