C08J 5/2287
After-treatment
Official title: {After-treatment}
C08J5/2287 (After-treatment) appears on 237 US grants and 238 published applications in this corpus.
Search patents in C08J- Granted patents
- 237
- Published applications
- 238
- Assignees
- 185
- Inventors
- 727
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 4 |
| 2002 | 2 | 5 |
| 2003 | 3 | 5 |
| 2004 | 4 | 10 |
| 2005 | 5 | 13 |
| 2006 | 1 | 6 |
| 2007 | 4 | 12 |
| 2008 | 2 | 8 |
| 2009 | 9 | 13 |
| 2010 | 5 | 8 |
| 2011 | 1 | 7 |
| 2012 | 8 | 5 |
| 2013 | 6 | 5 |
| 2014 | 5 | 8 |
| 2015 | 3 | 5 |
| 2016 | 2 | 6 |
| 2017 | 4 | 6 |
| 2018 | 8 | 15 |
| 2019 | 5 | 10 |
| 2020 | 12 | 11 |
| 2021 | 7 | 9 |
| 2022 | 8 | 15 |
| 2023 | 7 | 13 |
| 2024 | 9 | 18 |
| 2025 | 13 | 6 |
| 2026 | 7 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Separator and preparation method thereof, secondary battery and device29 Sep 2026US 12,749,765 B2Contemporary Amperex Technology (Hong Kong) Limited
- Polymer and preparation thereof, and electrolyte film and preparation thereof22 Sep 2026US 12,744,245 B2Contemporary Amperex Technology (Hong Kong) Limited
- Composite high-temperature proton exchange membrane for fuel cell, preparation method therefor and use thereof25 Aug 2026US 12,719,071 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Composite ion exchange membrane and method of making same28 Apr 2026US 12,612,496 B2
- Bipolar membrane10 Mar 2026US 12,569,812 B2Astom Corporation
- Solid polymer electrolyte and method for producing same27 Aug 2026US 2026/0253944 A1LG Energy Solution, Ltd.
- Patterned alkaline exchange membranes13 Aug 2026US 2026/0234309 A1Ecolectro, Inc
- Polymer, electrolyte material, electrolyte membrane, electrolyte membrane with catalyst layer, membrane electrode assembly, solid polymer fuel cell, and solid polymer water electrolysis device13 Aug 2026US 2026/0237705 A1Tosoh Corporation
- High-temperature proton exchange membrane, preparation method and use thereof13 Aug 2026US 2026/0237706 A1China Northern Re (Group) High-Tech Co., Ltd.
- Tetra-coordinated boronic acid-functionalized polymers6 Aug 2026US 2026/0229572 A11s1 Energy, Inc.
Most cited
By later US patents
- Polyurethane/polyurea compositions containing silicone for biosensor membranes783US 5,882,494 AMiniMed Inc. · 1999
- Silicon-containing biocompatible membranes477US 5,777,060 AMiniMed Inc. · 1998
- Hydrophilic, swellable coatings for biosensors456US 6,784,274 B2MiniMed Inc. · 2004
- Hydrophilic, swellable coatings for biosensors440US 5,786,439 AMiniMed Inc. · 1998
- Hydrophilic, swellable coatings for biosensors356US 6,462,162 B2MiniMed Inc. · 2002