C08L 81/08
Polysulfonates
C08L81/08 (Polysulfonates) appears on 25 US grants and 28 published applications in this corpus.
Search patents in C08L- Granted patents
- 25
- Published applications
- 28
- Assignees
- 23
- Inventors
- 88
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 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 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 6 |
| 2019 | 2 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
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
- Porous crosslinked material, preparation and application thereof7 Oct 2025US 12,434,221 B2Soochow University
- Polymeric material, production method therefor, and polymeric material composition24 Jun 2025US 12,338,327 B2Nippon Shokubai Co., Ltd.
- One pack-type dental adhesive composition14 Mar 2023US 11,602,490 B2Shofu Inc.
- Conductive polymer nanocellulose aerogels and use as strain sensor10 Jan 2023US 11,549,854 B2The Regents of the University of California
- High temperature dielectric polymers and films25 Jun 2026US 2026/0179842 A1The Regents of the University of California
- Medical devices19 Jun 2025US 2025/0195832 A1
- Intrinsically conducting elastomers and methods of making the same5 Jun 2025US 2025/0179297 A1
- Fluidic Member for Use in an Electrolyzer System30 Nov 2023US 2023/0383428 A1Ticona LLC
- Porous crosslinked material, preparation and application thereof19 Oct 2023US 2023/0330628 A1Soochow University
Most cited
By later US patents
- Water dispersible polythiophenes made with polymeric acid colloids46US 7,431,866 B2E. I. Du Pont de Nemours and Company · 2008
- Water dispersible substituted polydioxythiophenes made with fluorinated polymeric sulfonic acid colloids38US 7,390,438 B2E. I. Du Pont de Nemours and Company · 2008
- Polymer blends with improved hydrolytic stability15US 4,444,960 AOccidental Chemical Corporation · 1984
- Iodine-containing polymers for chemically amplified resist compositions9US 10,495,968 B2Rohm and Haas Electronic Materials LLC · 2019
- Non melt-drip flame retardant polycarbonate composition9US 4,201,832 AGeneral Electric Company · 1980