C08G 75/0286
Chemical after-treatment
C08G75/0286 (Chemical after-treatment) appears on 159 US grants and 71 published applications in this corpus.
Search patents in C08G- Granted patents
- 159
- Published applications
- 71
- Assignees
- 86
- Inventors
- 371
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 3 |
| 2010 | 0 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 3 |
| 2013 | 3 | 4 |
| 2014 | 5 | 4 |
| 2015 | 1 | 3 |
| 2016 | 2 | 4 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 4 | 7 |
| 2023 | 1 | 6 |
| 2024 | 0 | 7 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sulfur-containing polymer, method for producing same, and sulfur-containing polymer composition21 Apr 2026US 12,606,675 B2Nippon Shokubai Co., Ltd.
- Catalyst for hydrogenation reaction and method for producing same2 Dec 2025US 12,485,407 B2Korea Advanced Institute of Science and Technology
- Polymeric material, production method therefor, and polymeric material composition24 Jun 2025US 12,338,327 B2Nippon Shokubai Co., Ltd.
- Foam, composite material, and foaming composition15 Apr 2025US 12,275,822 B2Industrial Technology Research Institute
- Polymers for selective heavy metal removal5 Sep 2023US 11,746,191 B2Massachusetts Institute of Technology
- Substituted polyphenylene sulfide resin20 Aug 2026US 2026/0242542 A1Daicel Corporation
- Dithiol-based polymers and cyclic compounds and methods for making and using the same4 Dec 2025US 2025/0368783 A1The Board of Regents of the Nevada System of Higher Education, on Behalf of the University of
- Method for manufacturing high-reactivity polyphenylene sulfide resin and product manufactured thereby17 Jul 2025US 2025/0230284 A1Zhejiang Nhu Company Ltd.
- Technique for Forming a Polyarylene Sulfide Resin5 Dec 2024US 2024/0400763 A1Ticona LLC
- Resin composition for molding, and method for manufacturing molded article using the same21 Nov 2024US 2024/0384098 A1Coavis
Most cited
By later US patents
- Copoly(arylene sulfidex-disulfide)63US 4,786,713 AEastman Kodak Company · 1988
- Ion exchange membranes based upon polyphenylene sulfide and fluorocarbon polymeric binder60US 4,191,811 AIonics, Incorported · 1980
- Polyol ester lubricants for refrigerating compressors operating at high temperatures55US 5,833,876 AHenkel Corporation · 1998
- Process for producing readily crystallizable arylenesulfide resin composition containing organic acid or anhydride52US 4,699,975 AKureha Kagaku Kogyo Kabushiki Kaisha · 1987
- Polyphenylene sulfide resin composition and a process for producing it49US 4,889,893 AToray Industries, Inc. · 1989