C07C 269/02
From isocyanates with formation of carbamate groups
Official title: from isocyanates with formation of carbamate groups
C07C269/02 (From isocyanates with formation of carbamate groups) appears on 88 US grants and 87 published applications in this corpus.
Search patents in C07C- Granted patents
- 88
- Published applications
- 87
- Assignees
- 93
- Inventors
- 356
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 2 | 6 |
| 2012 | 3 | 1 |
| 2013 | 0 | 4 |
| 2014 | 6 | 3 |
| 2015 | 2 | 7 |
| 2016 | 10 | 9 |
| 2017 | 6 | 4 |
| 2018 | 3 | 2 |
| 2019 | 6 | 6 |
| 2020 | 5 | 6 |
| 2021 | 4 | 7 |
| 2022 | 3 | 7 |
| 2023 | 2 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Production method for isocyanate compound13 Aug 2024US 12,060,312 B2AGC Inc.
- 2-OXO-2-({2-[(phenylcarbamoyl)oxy]ethyl} amino)ethyl phenylcarbamate as an eco-friendly insecticidal agent against spodoptera littoralis (boisd.)16 Jul 2024US 12,035,717 B1King Faisal University
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Most cited
By later US patents
- Catalyst for isocyanate trimerization32US 5,264,572 AAsahi Denka Kogyo Kabushiki Kaisha · 1993
- Method for preparing 2-hydroxyl-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative15US 10,815,208 B2Institute of Materia Medica, Chinese Academy of Medical Sciences · 2020
- Process for the production of N-methylcarbamates15US 4,659,845 AEnichem Sintesi S.p.A. · 1987
- Phenylate derivative, preparation method therefor, and pharmaceutical composition and uses thereof13US 10,882,833 B2Institute of Materia Medica, Chinese Academy of Medical Sciences · 2021
- Benzyl phenyl ether derivative, preparation method therefor, and pharmaceutical composition and uses thereof13US 10,941,129 B2Institute of Materia Medica, Chinese Academy of Medical Sciences · 2021