C08G 75/0254
Using metal sulfides
Official title: using metal sulfides
C08G75/0254 (Using metal sulfides) appears on 231 US grants and 90 published applications in this corpus.
Search patents in C08G- Granted patents
- 231
- Published applications
- 90
- Assignees
- 49
- Inventors
- 307
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 22 | 0 |
| 1989 | 21 | 0 |
| 1990 | 16 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 5 |
| 2006 | 4 | 6 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 3 | 2 |
| 2010 | 3 | 5 |
| 2011 | 1 | 2 |
| 2012 | 4 | 2 |
| 2013 | 3 | 4 |
| 2014 | 2 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 5 |
| 2018 | 3 | 5 |
| 2019 | 3 | 6 |
| 2020 | 7 | 7 |
| 2021 | 6 | 9 |
| 2022 | 6 | 4 |
| 2023 | 3 | 6 |
| 2024 | 1 | 5 |
| 2025 | 4 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polythiol composition and optical composition comprising same12 May 2026US 12,624,149 B2SK Pucore Co., Ltd.
- Polyarylene sulfide production method17 Feb 2026US 12,552,901 B2Kureha Corporation
- Catalyst for hydrogenation reaction and method for producing same2 Dec 2025US 12,485,407 B2Korea Advanced Institute of Science and Technology
- Metal member-polyarylene sulfide resin member complex and production method therefor9 Sep 2025US 12,409,589 B2Tosoh Corporation
- Poly(arylene sulfide) polymers and corresponding polymer compositions and articles22 Jul 2025US 12,365,765 B2Solvay Specialty Polymers USA, LLC
- Method for manufacturing high-reactivity polyphenylene sulfide resin and product manufactured thereby17 Jul 2025US 2025/0230284 A1Zhejiang Nhu Company Ltd.
- Amine-functionalized poly(arylene sulfide) polymer13 Feb 2025US 2025/0051521 A1Solvay Specialty Polymers USA, LLC
- Technique for Forming a Polyarylene Sulfide Resin5 Dec 2024US 2024/0400763 A1Ticona LLC
- Catalyst for hydrogenation reaction and method for producing same12 Sep 2024US 2024/0299919 A1Korea Advanced Institute of Science and Technology
- Metal member-polyarylene sulfide resin member complex and production method therefor2 May 2024US 2024/0140006 A1Tosoh Corporation
Most cited
By later US patents
- Process for production of high to ultra-high molecular weight linear polyarylenesulfides99US 4,645,826 AKureha Kagaku Kogyo Kabushiki Kaisha · 1987
- Recovering granular poly(arylene sulfide) particles from a poly(arylene sulfide) reaction mixture62US 4,415,729 APhillips Petroleum Company · 1983
- 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
- Polyarylene sulfide preparation in titanium reaction vessel with two distinct temperature ranges46US 4,745,167 AKureha Kagaku Kogyo Kabushiki Kaisha · 1988