C07C 319/06
From sulfides, hydropolysulfides or polysulfides
Official title: from sulfides, hydropolysulfides or polysulfides
C07C319/06 (From sulfides, hydropolysulfides or polysulfides) appears on 117 US grants and 111 published applications in this corpus.
Search patents in C07C- Granted patents
- 117
- Published applications
- 111
- Assignees
- 72
- Inventors
- 303
- Latest grant
- 29 Sep 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 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 8 |
| 2004 | 1 | 4 |
| 2005 | 6 | 2 |
| 2006 | 4 | 11 |
| 2007 | 4 | 4 |
| 2008 | 1 | 4 |
| 2009 | 3 | 4 |
| 2010 | 1 | 1 |
| 2011 | 5 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 7 |
| 2014 | 2 | 7 |
| 2015 | 10 | 6 |
| 2016 | 3 | 4 |
| 2017 | 2 | 3 |
| 2018 | 5 | 10 |
| 2019 | 6 | 6 |
| 2020 | 11 | 8 |
| 2021 | 5 | 3 |
| 2022 | 4 | 7 |
| 2023 | 3 | 3 |
| 2024 | 2 | 5 |
| 2025 | 3 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the preparation of cysteamine bitartrate and product so obtained29 Sep 2026US 12,747,204 B2Recordati Industria Chimica e Farmaceutica S.p.A.
- Method for preparation of 1-(2-((2,4-dimethylphenyl)thio)phenyl) piperazine and its salts29 Sep 2026US 12,747,220 B2R L Finechem Private Limited
- Preparation method of 3-mercaptopropionic acid11 Nov 2025US 12,466,788 B2Hebei Hofmann New Material Technology Co. Ltd
- Process for the co-production of methyl mercaptan and of dimethyl disulfide from carbon oxides18 Feb 2025US 12,227,468 B2Arkema France
- Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams28 Jan 2025US 12,209,063 B2Chevron Phillips Chemical Company LP
- Method for preparing mercaptans by sulfhydrolysis of dialkyl sulfides with catalyst pretreatment29 Aug 2024US 2024/0286997 A1Arkema France
- Method for preparing mercaptans with sulfhydrolysis of purified dialkyl sulfides15 Aug 2024US 2024/0270686 A1Arkema France
- A method for preparation of 1-(2-((2,4-dimethylphenyl)thio)phenyl) piperazine and its salts28 Mar 2024US 2024/0101524 A1R L Fine Chem Private Limited
- Processes for Removing Carbon Disulfide from Symmetrical and Asymmetrical Sulfide Product Streams14 Mar 2024US 2024/0083841 A1Chevron Phillips Chemical Company LP
- Method for preparing mercaptans by sulfhydrolysis of sulfides25 Jan 2024US 2024/0025847 A1Arkema France
Most cited
By later US patents
- Process of making prostacyclin compounds with linker thiol and pegylated forms35US 9,102,660 B2United Therapeutics Corporation · 2015
- Process for the preparation of 1,3-dioxane derivatives useful in the preparation of HMG-COA reductase inhibitors27US 5,278,313 AE. R. Squibb & Sons, Inc. · 1994
- Process for the preparation of 1,3-dioxane derivatives useful in the preparation of HMG-COA reductase inhibitors21US 5,594,153 AE. R. Squibb & Sons, Inc. · 1997
- Thiol-selective water-soluble polymer derivatives20US 7,910,661 B2Nektar Therapeutics · 2011
- Process for the electrochemical synthesis of N-acetylcysteine from cystine18US 6,159,352 AUniversidad de Alicante · 2000