C23F 11/165
Heterocyclic compounds containing sulfur as hetero atom
Official title: {Heterocyclic compounds containing sulfur as hetero atom}
C23F11/165 (Heterocyclic compounds containing sulfur as hetero atom) appears on 77 US grants and 69 published applications in this corpus.
Search patents in C23F- Granted patents
- 77
- Published applications
- 69
- Assignees
- 60
- Inventors
- 197
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 4 | 4 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 5 |
| 2017 | 3 | 3 |
| 2018 | 1 | 5 |
| 2019 | 5 | 1 |
| 2020 | 4 | 4 |
| 2021 | 4 | 4 |
| 2022 | 1 | 3 |
| 2023 | 3 | 1 |
| 2024 | 4 | 8 |
| 2025 | 5 | 7 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heteroaryl-thio-substituted pyrones9 Dec 2025US 12,492,341 B2Iowa State University Research Foundation, Inc.
- Compositions for inhibiting corrosion14 Oct 2025US 12,441,894 B2Commonwealth Scientific and Industrial Research Organisation
- Diorganyl diselenide-clubbed quaternary purines as corrosion inhibitors25 Feb 2025US 12,234,243 B1King Faisal University
- Diorganyl diselenide-clubbed quaternary purines as corrosion inhibitors11 Feb 2025US 12,221,451 B1King Faisal University
- Compositions and coatings with non-chrome corrosion inhibitor particles21 Jan 2025US 12,203,004 B2The Boeing Company
- Dipyrazolopyridine-based corrosion inhibitor compositions and methods thereof16 Jul 2026US 2026/0201242 A1King Fahd University of Petroleum and Minerals
- Compositions for the water side treatment of high heat flux copper molds25 Jun 2026US 2026/0176769 A1Chemtreat, Inc.
- Fluorescent moiety tagged polymers for use in monitoring cleanliness of mold surfaces25 Jun 2026US 2026/0176771 A1Chemtreat, Inc.
- Thiosemicarbazone corrosion inhibitors5 Mar 2026US 2026/0062813 A1Iowa State University Research Foundation, Inc.
- Sealants for inhibiting corrosion5 Feb 2026US 2026/0035573 A1The Boeing Company
Most cited
By later US patents
- Anticorrosives32US 4,000,079 ABayer Aktiengesellschaft · 1976
- Silver and copper coated articles protected by treatment with mercapto and/or amino substituted thiadiazoles or mercapto substituted triazoles32US 4,357,396 APPG Industries, Inc. · 1982
- Thiol/aldehyde corrosion inhibitors28US 7,216,710 B2Halliburton Energy Services.Inc. · 2007
- Compositions containing heterocyclic corrosion inhibitors27US 4,696,763 ACiba-Geigy Corporation · 1987
- Use of benzazoles as corrosion inhibitors26US 4,235,838 APetrolite Corporation · 1980