C07C 329/12
Dithiocarbonic acids
Official title: Dithiocarbonic acids; Derivatives thereof
C07C329/12 (Dithiocarbonic acids) appears on 95 US grants and 78 published applications in this corpus.
Search patents in C07C- Granted patents
- 95
- Published applications
- 78
- Assignees
- 70
- Inventors
- 207
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 8 | 8 |
| 2004 | 2 | 5 |
| 2005 | 4 | 6 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 4 | 4 |
| 2009 | 6 | 6 |
| 2010 | 4 | 6 |
| 2011 | 5 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 2 |
| 2019 | 3 | 4 |
| 2020 | 3 | 6 |
| 2021 | 5 | 2 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 0 |
| 2025 | 2 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Di-thioester cationic lipids28 Oct 2025US 12,453,759 B2Translate Bio, Inc.
- Carbondisulfide derived zwitterions1 Jul 2025US 12,344,574 B2Tpat IP LLC
- Method and system for preparing xanthate by slurry method6 Aug 2024US 12,054,452 B2Central South University
- Process for preparing S,S′-dialkyldithiocarbonate from dialkyl disulfide7 May 2024US 11,976,032 B2Arkema France
- Method for preparing thionocarbamate and co-producing 2-mercaptoethanol or O-alkylthioethyl xanthate30 Apr 2024US 11,970,441 B2Central South University
- Manufacture of xanthate by continuous conversion22 Jan 2026US 2026/0022093 A1
- Process for preparing modulators of eukaryotic initiation factor 2b11 Dec 2025US 2025/0376432 A1Denali Therapeutics Inc.
- Stable ionic xanthate compositions in aqueous solution24 Jul 2025US 2025/0235878 A1Oxiquim S.A.
- Single-molecule peptide sequencing using xanthate amino acid reactive groups12 Jun 2025US 2025/0188538 A1Glyphic Biotechnologies, Inc.
- Method for preparing functionalized polymers15 May 2025US 2025/0154296 A1Solvay Specialty Polymers Italy S.P.A.
Most cited
By later US patents
- Polymerization process with living characteristics and polymers made therefrom75US 6,642,318 B1Commonwealth Scientific and Industrial Research Organization · 2003
- 4-dedimethylaminotetracycline derivatives52US 6,506,740 B12003
- CETP activity inhibitors42US 6,426,365 B1Japan Tobacco Inc. · 2002
- 4-dedimethylaminotetracycline derivatives28US 6,638,922 B2CollaGenex Pharmaceuticals, Inc. · 2003
- S,s′bis-(α, α′-disubstituted-α″-acetic acid)- trithiocarbonates and derivatives as initiator-chain transfer agent-terminator for controlled radical polymerizations and the process for making the same27US 6,596,899 B1Noveon IP Holdings Corp. · 2003