C08J 5/225
Containing fluorine
Official title: {containing fluorine}
C08J5/225 (Containing fluorine) appears on 167 US grants and 151 published applications in this corpus.
Search patents in C08J- Granted patents
- 167
- Published applications
- 151
- Assignees
- 100
- Inventors
- 413
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 7 |
| 2003 | 4 | 3 |
| 2004 | 8 | 6 |
| 2005 | 2 | 15 |
| 2006 | 5 | 14 |
| 2007 | 8 | 10 |
| 2008 | 5 | 10 |
| 2009 | 2 | 5 |
| 2010 | 7 | 2 |
| 2011 | 2 | 4 |
| 2012 | 8 | 6 |
| 2013 | 4 | 2 |
| 2014 | 1 | 5 |
| 2015 | 3 | 6 |
| 2016 | 4 | 2 |
| 2017 | 7 | 10 |
| 2018 | 4 | 6 |
| 2019 | 9 | 10 |
| 2020 | 7 | 8 |
| 2021 | 5 | 7 |
| 2022 | 8 | 3 |
| 2023 | 0 | 1 |
| 2024 | 4 | 5 |
| 2025 | 3 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer1 Sep 2026US 12,723,119 B2AGC Inc.
- Bipolar ionomer membrane4 Nov 2025US 12,463,229 B2CAMX Power LLC
- Method for producing fluorosulfonyl group-containing fluorinated polymer, method for producing salt-type sulfonic acid group- containing fluorinated polymer and method for producing acid-type sulfonic acid group-containing fluorinated polymer26 Aug 2025US 12,398,228 B2AGC Inc.
- Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods7 Jan 2025US 12,187,821 B2AGC Inc.
- Polymer electrolyte membrane, membrane electrode assembly and polymer electrolyte fuel cell28 May 2024US 11,996,595 B2AGC Inc.
- Ion conductor dispersion, polymer electrolyte membrane prepared therefrom, membrane-electrode assembly, and fuel cell23 Jul 2026US 2026/0213240 A1Kolon Industries, Inc.
- Proton exchange membrane based on pvdf in the form of cryocrushed granules9 Jul 2026US 2026/0196545 A1Arkema France
- Block copolymer, method for producing a block copolymer, membrane, use of a membrane, and method for producing a membrane14 May 2026US 2026/0132264 A1Forschungszentrum Julich GmbH
- Method for recovering ionomer and catalyst from membrane electrode assembly or ion exchange membrane26 Sep 2024US 2024/0317961 A1Dankook University Cheonan Campus Industry Academic Cooperation Foundation
- Fluorinated ionomers, polymer electrolyte membranes, fuel cells, and methods15 Aug 2024US 2024/0274848 A13M Innovative Properties Company
Most cited
By later US patents
- Ultra-thin integral composite membrane242US 5,547,551 AW. L. Gore & Associates, Inc. · 1996
- Integral composite membrane150US 5,599,614 AW. L. Gore & Associates, Inc. · 1997
- Electrode apparatus containing an integral composite membrane109US 5,635,041 AW. L. Gore & Associates, Inc. · 1997
- Acid functional fluoropolymer membranes and method of manufacture94US 6,423,784 B13M Innovative Properties Company · 2002
- Graft polymeric membranes and ion-exchange membranes formed therefrom82US 6,723,758 B2Ballard Power Systems Inc. · 2004