C07C 269/04
From amines with formation of carbamate groups
Official title: from amines with formation of carbamate groups
C07C269/04 (From amines with formation of carbamate groups) appears on 280 US grants and 277 published applications in this corpus.
Search patents in C07C- Granted patents
- 280
- Published applications
- 277
- Assignees
- 239
- Inventors
- 1,005
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 1 |
| 2002 | 8 | 9 |
| 2003 | 5 | 7 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 2 | 5 |
| 2007 | 0 | 7 |
| 2008 | 5 | 6 |
| 2009 | 2 | 5 |
| 2010 | 2 | 13 |
| 2011 | 5 | 11 |
| 2012 | 4 | 9 |
| 2013 | 7 | 16 |
| 2014 | 18 | 22 |
| 2015 | 22 | 22 |
| 2016 | 25 | 17 |
| 2017 | 13 | 10 |
| 2018 | 9 | 17 |
| 2019 | 17 | 16 |
| 2020 | 20 | 20 |
| 2021 | 8 | 11 |
| 2022 | 7 | 10 |
| 2023 | 6 | 7 |
| 2024 | 2 | 9 |
| 2025 | 4 | 12 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing solriamfetol hydrochloride1 Sep 2026US 12,723,020 B2Procos S.P.A.
- Process for producing 1, 5-pentamethylene diisocyanate from cadaverine salt11 Aug 2026US 12,703,678 B2Mojia Biotech Ltd.
- Method of producing carbonyl compound and flow type reaction system of producing carbonyl compound23 Jun 2026US 12,662,447 B2FUJIFILM Corporation
- Carbamate production method, carbamate ester production method, and urea derivative production method12 May 2026US 12,623,999 B2National Institute of Advanced Industrial Science and Technology
- Methods of preparing N6-((2-azidoethoxy)carbonyl)lysine17 Mar 2026US 12,577,197 B2Sanofi
- Visible light driven co2 valorization6 Aug 2026US 2026/0225999 A1The Board of Regents for the Oklahoma Agricultural and Mechanical Colleges
- Phenoxycarbamoyl chloride compound and method for producing same16 Jul 2026US 2026/0200839 A1Nippon Soda Co., Ltd.
- Alkanolamine multi-tailed lipid, preparation method therefor, and use thereof9 Jul 2026US 2026/0193175 A1South China University of Technology
- A process for preparation of an intermediate useful for producing glufosinate or isomer or its salts2 Jul 2026US 2026/0184673 A1Upl Ltd
- Method for producing alkylsilyloxy-substituted benzylamine compound25 Jun 2026US 2026/0176238 A1Sekisui Medical Co., Ltd.
Most cited
By later US patents
- Methods of chemical systhesis of phenolic nitrogen mustard prodrugs59US 6,916,949 B2Cancer Research Technology Limited · 2005
- Process for the preparation of urethanes53US 4,297,501 ABayer Aktiengesellschaft · 1981
- Preparation of N-alkyl-monosubstituted carbamates34US 4,501,915 AAtlantic Richfield Company · 1985
- Process for the preparation of N-monosubstituted carbamic acid esters33US 4,381,403 AAtlantic Richfield Company · 1983
- Method for preparing .omega.-aminoalkanoic acid derivatives from cycloalkanones22US 6,084,112 AEmisphere Technologies, Inc. · 2000