C07C 331/16
Isothiocyanates
C07C331/16 (Isothiocyanates) appears on 268 US grants and 192 published applications in this corpus.
Search patents in C07C- Granted patents
- 268
- Published applications
- 192
- Assignees
- 158
- Inventors
- 611
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 14 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 6 |
| 2004 | 4 | 9 |
| 2005 | 3 | 3 |
| 2006 | 2 | 5 |
| 2007 | 4 | 5 |
| 2008 | 3 | 10 |
| 2009 | 1 | 5 |
| 2010 | 6 | 3 |
| 2011 | 1 | 3 |
| 2012 | 6 | 6 |
| 2013 | 6 | 16 |
| 2014 | 7 | 11 |
| 2015 | 13 | 13 |
| 2016 | 4 | 10 |
| 2017 | 13 | 17 |
| 2018 | 16 | 15 |
| 2019 | 15 | 11 |
| 2020 | 10 | 5 |
| 2021 | 2 | 8 |
| 2022 | 6 | 3 |
| 2023 | 4 | 10 |
| 2024 | 4 | 8 |
| 2025 | 5 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 331/28Having isothiocyanate groups bound to carbon atoms of six-membered aromatic rings143
- C07C 331/18Having isothiocyanate groups bound to acyclic carbon atoms107
- C07C 331/30Containing at least two isothiocyanate groups bound to the same carbon skeleton14
- C07C 331/32Having isothiocyanate groups acylated12
- C07C 331/26Having isothiocyanate groups bound to carbon atoms of rings other than six-membered7
Recent patents
- Liquid crystalline compound, liquid crystal composition, and element16 Jun 2026US 12,655,351 B2Jnc Corporation
- Aromatic isothiocyanates7 Apr 2026US 12,595,415 B2Merck Patent GmbH
- Crystalline complexes31 Mar 2026US 12,590,057 B2Theracryf PLC
- Isothiocyanatoethynylbenzene derivatives27 Jan 2026US 12,534,669 B2Merck Patent GmbH
- Compound, liquid crystal composition, as well as liquid crystal display element, sensor, liquid crystal lens, optical communication equipment, and antenna each using the same2 Dec 2025US 12,486,457 B2DIC Corporation
- Plant stomatal opening regulator16 Jul 2026US 2026/0198499 A1Kwansei Gakuin Educational Foundation
- Liquid crystalline compound, liquid crystal composition, and element11 Jun 2026US 2026/0159758 A1Jnc Corporation
- Isothiocyanate functional surfactants, formulations incorporating the same, and associated methods of use26 Feb 2026US 2026/0055056 A1The William M. Yarbrough Foundation
- Compound, liquid crystal composition, and liquid crystal display element, sensor, liquid crystal lens, optical communication equipment, and antenna using same11 Dec 2025US 2025/0377570 A1DIC Corporation
- Isothiocyanatoethynylbenzene derivatives5 Jun 2025US 2025/0179364 A1Merck Patent GmbH
Most cited
By later US patents
- High molecular weight polymer-based prodrugs182US 5,614,549 AEnzon, Inc. · 1997
- Chemoprotective isothiocyanates86US 5,411,986 AThe Johns Hopkins University · 1995
- Backbone polysubstituted chelates for forming a metal chelate-protein conjugate82US 4,831,175 AThe United States of America, as represented by the Secretary, Department of Health and Human Services · 1989
- Novel liquid crystal mixtures79US 4,621,901 AHoffmann-La Roche Inc. · 1986
- Extraction of non-polar isothiocyanates from plants62US 6,824,796 B2Access Business Group International LLC · 2004