C07C 265/12
Derivatives of isocyanic acid: having isocyanate groups bound to carbon atoms of
Official title: having isocyanate groups bound to carbon atoms of six-membered aromatic rings
C07C265/12 (Derivatives of isocyanic acid: having isocyanate groups bound to carbon atoms of) appears on 183 US grants and 76 published applications in this corpus.
Search patents in C07C- Granted patents
- 183
- Published applications
- 76
- Assignees
- 84
- Inventors
- 430
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 12 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 4 | 5 |
| 2004 | 2 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 1 | 3 |
| 2011 | 4 | 2 |
| 2012 | 3 | 6 |
| 2013 | 3 | 4 |
| 2014 | 7 | 4 |
| 2015 | 8 | 7 |
| 2016 | 2 | 5 |
| 2017 | 1 | 3 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 5 | 4 |
| 2021 | 1 | 4 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 1 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of producing carbonyl compound and flow type reaction system of producing carbonyl compound23 Jun 2026US 12,662,447 B2FUJIFILM Corporation
- Process for preparing a polyisocyanate, polyisocyanate, its use and polyaddition products prepared therefrom12 May 2026US 12,623,998 B2Covestro Deutschland AG
- Xylylenediisocyanate composition and optical polymerizable composition comprising same12 May 2026US 12,624,154 B2SK Pucore Co., Ltd.
- Heterogeneous catalysts for the direct carbonylation of nitro aromatic compounds to isocyanates16 Sep 2025US 12,415,780 B2BASF SE
- Isocyanate composition with improved stability and reactivity, and optical lens using same13 Jun 2023US 11,673,992 B2Skc Co., Ltd.
- Conversion of a hydrocarbon feedstock derived from oxygen-rich biomass into aromatic isocyanates23 Jul 2026US 2026/0209166 A1Ifp Energies Nouvelles
- Isocyanate composition, modified composition and polyurethane elastomer29 Jan 2026US 2026/0028446 A1Wanhua Chemical Group Co., Ltd.
- Xylylenediisocyanate composition and optical polymerizable composition comprising same5 Sep 2024US 2024/0294699 A1SK Pucore Co., Ltd.
- Process for preparing a polyisocyanate, polyisocyanate, its use and polyaddition products prepared therefrom18 Jan 2024US 2024/0018097 A1Covestro Deutschland AG
- Active hydrogen-containing organic compound scavenger, composition, and applications thereof4 Jan 2024US 2024/0001334 A1Tosoh Corporation
Most cited
By later US patents
- Heterocyclic compounds90US 5,017,211 ACiba-Geigy Corporation · 1991
- Photodefinable polymers containing perfluorocyclobutane groups80US 5,426,164 AThe Dow Chemical Company · 1995
- Diphenylmethane diisocyanate compositions61US 4,031,026 AImperial Chemical Industries PLC · 1977
- Heterocyclic compound and a herbicidal composition containing said compound52US 4,531,964 ANippon Kayaku Kabushiki Kaisha · 1985
- N-(2-Fluoro-4-halo-5-substituted phenyl) hydantoins45US 4,427,438 ASumitomo Chemical Company, Limited · 1984