C07C 321/00
Thiols, sulfides, hydropolysulfides or polysulfides
C07C321/00 (Thiols, sulfides, hydropolysulfides or polysulfides) appears on 719 US grants and 558 published applications in this corpus.
Search patents in C07C- Granted patents
- 719
- Published applications
- 558
- Assignees
- 413
- Inventors
- 1,874
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 15 | 0 |
| 1978 | 21 | 0 |
| 1979 | 10 | 0 |
| 1980 | 13 | 0 |
| 1981 | 9 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 18 | 0 |
| 1985 | 17 | 0 |
| 1986 | 22 | 0 |
| 1987 | 29 | 0 |
| 1988 | 13 | 0 |
| 1989 | 21 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 6 |
| 2003 | 10 | 10 |
| 2004 | 6 | 9 |
| 2005 | 6 | 9 |
| 2006 | 3 | 8 |
| 2007 | 3 | 2 |
| 2008 | 7 | 8 |
| 2009 | 2 | 14 |
| 2010 | 6 | 13 |
| 2011 | 2 | 14 |
| 2012 | 11 | 11 |
| 2013 | 15 | 17 |
| 2014 | 19 | 22 |
| 2015 | 17 | 40 |
| 2016 | 41 | 37 |
| 2017 | 38 | 50 |
| 2018 | 31 | 41 |
| 2019 | 35 | 33 |
| 2020 | 28 | 33 |
| 2021 | 21 | 33 |
| 2022 | 22 | 27 |
| 2023 | 22 | 34 |
| 2024 | 25 | 39 |
| 2025 | 17 | 26 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 321/24Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms211
- C07C 321/12Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms196
- C07C 321/02Thiols having mercapto groups bound to acyclic carbon atoms101
- C07C 321/22Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms35
Recent patents
- Mining collectors15 Sep 2026US 12,734,529 B1
- Molecules18 Aug 2026US 12,709,596 B2Ena Respiratory Pty Ltd
- Organic electroluminescent element and electronic device using same30 Jun 2026US 12,668,739 B2Idemitsu Kosan Co., Ltd.
- Electron withdrawing group (EWG)-containing organic molecules for improved optical properties in AR/VR components16 Jun 2026US 12,656,634 B2Meta Platforms Technologies, LLC
- Indene compounds, pharmaceutical compositions thereof, and their therapeutic applications9 Jun 2026US 12,649,712 B2NucMito Pharmaceuticals Co. Ltd.
- Hydrocarbon terminal group-containing compound, surface treatment agent, and article8 Oct 2026US 2026/0308392 A1Shin-Etsu Chemical Co., Ltd.
- Resist composition, resist pattern formation method, compound, and polymer compound8 Oct 2026US 2026/0310077 A1Tokyo Ohka Kogyo.Co., Ltd.
- Pincer-type diphenyl sulfide compound, and preparation method and use thereof1 Oct 2026US 2026/0297025 A1Hunan Institute of Science and Technology
- Novel ionizable lipid and lipid nanoparticle composition using same17 Sep 2026US 2026/0272837 A1MediciBIO Co., Ltd
- Polythiol compositions and their process of preparation from terpenes or from terpene derivatives17 Sep 2026US 2026/0274792 A1Arkema France
Most cited
By later US patents
- Proline derivatives and related compounds230US 4,105,776 AE. R. Squibb & Sons, Inc. · 1978
- Azetidine-2-carboxylic acid derivatives180US 4,046,889 AE. R. Squibb & Sons, Inc. · 1977
- Amide derivatives176US 4,636,505 AImperial Chemical Industries PLC · 1987
- Low viscosity polythiol and method therefor146US 5,225,472 ACourtaulds Aerospace, Inc. · 1993
- Conformationally restricted aromatic inhibitors of microsomal triglyceride transfer protein and method125US 5,760,246 A1998