C07C 319/00
Preparation of thiols, sulfides, hydropolysulfides or polysulfides
C07C319/00 (Preparation of thiols, sulfides, hydropolysulfides or polysulfides) appears on 1,573 US grants and 1,259 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,573
- Published applications
- 1,259
- Assignees
- 772
- Inventors
- 3,895
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 10 | 0 |
| 1980 | 8 | 0 |
| 1981 | 16 | 0 |
| 1982 | 12 | 0 |
| 1983 | 4 | 0 |
| 1984 | 13 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 22 | 0 |
| 1990 | 28 | 0 |
| 1991 | 34 | 0 |
| 1992 | 38 | 0 |
| 1993 | 26 | 0 |
| 1994 | 41 | 0 |
| 1995 | 31 | 0 |
| 1996 | 27 | 0 |
| 1997 | 30 | 0 |
| 1998 | 50 | 0 |
| 1999 | 47 | 0 |
| 2000 | 53 | 0 |
| 2001 | 45 | 10 |
| 2002 | 47 | 36 |
| 2003 | 45 | 50 |
| 2004 | 33 | 55 |
| 2005 | 30 | 42 |
| 2006 | 37 | 50 |
| 2007 | 37 | 37 |
| 2008 | 25 | 42 |
| 2009 | 35 | 44 |
| 2010 | 28 | 54 |
| 2011 | 20 | 58 |
| 2012 | 32 | 37 |
| 2013 | 34 | 68 |
| 2014 | 44 | 55 |
| 2015 | 68 | 75 |
| 2016 | 54 | 53 |
| 2017 | 51 | 61 |
| 2018 | 40 | 69 |
| 2019 | 63 | 53 |
| 2020 | 56 | 65 |
| 2021 | 46 | 57 |
| 2022 | 35 | 47 |
| 2023 | 31 | 52 |
| 2024 | 27 | 41 |
| 2025 | 23 | 27 |
| 2026 | 23 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 319/14Preparation of thiols, sulfides, hydropolysulfides or polysulfides: of sulfides977
- C07C 319/02Preparation of thiols, sulfides, hydropolysulfides or polysulfides: of thiols434
- C07C 319/26Separation235
- C07C 319/22Preparation of thiols, sulfides, hydropolysulfides or polysulfides: of hydropolysulfides or polysulfides206
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 sulfur-containing biphenyl compound8 Sep 2026US 12,729,179 B2Jiangsu Yangnong Chemical Co., Ltd.
- Method for producing trisulfide compound or selenotrisulfide compound1 Sep 2026US 12,723,021 B2Kyowa Pharma Chemical Co., Ltd.
- D-luciferin, D-luciferin derivative, precursor of these compounds and method for producing these compounds25 Aug 2026US 12,715,842 B2Kanto Denka Kogyo Co., Ltd.
- Amino acid-derived ceramide, synthesis method therefor and use thereof1 Oct 2026US 2026/0297018 A1Shenzhen Dikeman Biotechnology Co., Ltd.
- Processes and systems for forming functionalized organic sulfides1 Oct 2026US 2026/0297024 A1Chevron Phillips Chemical Company LP
- Pincer-type diphenyl sulfide compound, and preparation method and use thereof1 Oct 2026US 2026/0297025 A1Hunan Institute of Science and Technology
- Polythiol compositions and their process of preparation from terpenes or from terpene derivatives17 Sep 2026US 2026/0274792 A1Arkema France
- Polythiol, polymerizable composition for optical materials, optical material, and method for producing same10 Sep 2026US 2026/0265439 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Synthesis of 2H- and 13C-substituted dithanes226US 6,541,671 B1The Regents of the University of California · 2003
- Compounds containing a fused bicycle ring and processes therefor171US 5,508,272 ABristol-Myers Squibb Company · 1996
- Benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake111US 5,994,391 AG. D. Searle & Co. · 1999
- Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds78US 6,759,554 B2Massachusetts Institute of Technology · 2004
- Benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake77US 6,387,924 B2G. D. Searle & Co. · 2002