C08G 75/0259
Metal hydrogensulfides
Official title: metal hydrogensulfides
C08G75/0259 (Metal hydrogensulfides) appears on 117 US grants and 79 published applications in this corpus.
Search patents in C08G- Granted patents
- 117
- Published applications
- 79
- Assignees
- 19
- Inventors
- 180
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 1 | 1 |
| 2012 | 5 | 2 |
| 2013 | 5 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 5 |
| 2018 | 5 | 4 |
| 2019 | 3 | 10 |
| 2020 | 9 | 10 |
| 2021 | 7 | 8 |
| 2022 | 5 | 6 |
| 2023 | 1 | 10 |
| 2024 | 3 | 4 |
| 2025 | 5 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyarylene sulfide production method17 Feb 2026US 12,552,901 B2Kureha Corporation
- Polyarylene sulfide, and purification method and production method therefor13 Jan 2026US 12,522,697 B2DIC Corporation
- Method for producing polyarylene sulfide30 Dec 2025US 12,509,555 B2Kureha Corporation
- Poly(arylene sulfide) polymers and corresponding polymer compositions and articles22 Jul 2025US 12,365,765 B2Solvay Specialty Polymers USA, LLC
- Poly(arylene sulfide) polymers and corresponding polymer compositions and articles15 Jul 2025US 12,359,025 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.
- Polyarylene sulfide resin composition, molded article, and methods for producing these8 May 2025US 2025/0145825 A1DIC Corporation
- Technique for Forming a Polyarylene Sulfide Resin5 Dec 2024US 2024/0400763 A1Ticona LLC
- Polyphenylene sulfide resin composition and method of producing same30 May 2024US 2024/0174858 A1Toray Industries, Inc.
- Poly(arylene sulfide) polymers and corresponding polymer compositions and articles2 May 2024US 2024/0141109 A1Solvay Specialty Polymers USA, LLC
Most cited
By later US patents
- Recovering granular poly(arylene sulfide) particles from a poly(arylene sulfide) reaction mixture62US 4,415,729 APhillips Petroleum Company · 1983
- Reinforced plastic47US 4,792,481 APhillips Petroleum Company · 1988
- Arylene sulfide polymer preparation from dehydrated admixture comprising sulfur source, cyclic amide solvent and water38US 4,767,841 APhillips Petroleum Company · 1988
- P-phenylene sulfide polymer preparation with dehydrated mixture of alkali metal hydroxide and excess alkali metal bisulfide32US 4,786,711 APhillips Petroleum Company · 1988
- Arylene sulfide polymers27US 4,820,800 APhillips Petroleum Company · 1989