C08J 5/2268
Based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds, and
Official title: {based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds, and by reactions not involving this type of bond}
C08J5/2268 (Based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds, and) appears on 43 US grants and 58 published applications in this corpus.
Search patents in C08J- Granted patents
- 43
- Published applications
- 58
- Assignees
- 58
- Inventors
- 166
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 8 |
| 2010 | 5 | 3 |
| 2011 | 4 | 2 |
| 2012 | 1 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 4 |
| 2016 | 3 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 1 |
| 2024 | 0 | 3 |
| 2025 | 4 | 1 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sandwich-structured thin film composite anion exchange membrane for redox flow battery applications17 Feb 2026US 12,551,879 B2Uop LLC
- Method for producing a polyelectrolyte complex membrane4 Nov 2025US 12,458,928 B2Dwi—Leibniz-Institut FüR Interaktive Materialien E.V.
- Block polymer composite membranes26 Aug 2025US 12,398,243 B2Purdue Research Foundation
- Polymer electrolyte for a lithium metal polymer battery having improved performance19 Aug 2025US 12,394,822 B2Blue Solutions
- Gradient membranes formed from free standing structured organic films and methods thereof21 Jan 2025US 12,202,788 B2Xerox Corporation
- Crosslinked copolymer, polymer membrane comprising the same, and anion exchange membrane comprising the polymer membrane1 Oct 2026US 2026/0302299 A1Hanwha Solutions Corporation
- Polyamide-based mixed matrix membrane for oil-water separation24 Sep 2026US 2026/0286076 A1King Fahd University of Petroleum and Minerals
- Solid polymer electrolyte and method for producing same27 Aug 2026US 2026/0253944 A1LG Energy Solution, Ltd.
- Crosslinked copolymer, polymer membrane comprising same, and anion exchange membrane comprising same polymer membrane2 Jul 2026US 2026/0184857 A1Hanwha Solutions Corporation
- Sandwich-structured thin film composite anion exchange membrane for redox flow battery applications14 May 2026US 2026/0131323 A1Uop LLC
Most cited
By later US patents
- Crosslinked, interpolymer fixed-charge membranes34US 4,012,324 A1977
- Membrane formed by an acrylonitrile-based polymer34US 5,720,969 ACytoTherapeutics, Inc. · 1998
- Membrane formed by an acrylonitrile-based polymer31US 6,180,007 B2Neurotech S.A. · 2001
- Ion conducting polymer membranes22US 7,608,356 B22009
- Solid polymer electrolytes from ethylene oxide-containing, layer-by-layer assembled films22US 7,799,467 B2Massachusetts Institute of Technology · 2010