C07C 271/32
Having oxygen atoms of carbamate groups bound to carbon atoms of rings
Official title: having oxygen atoms of carbamate groups bound to carbon atoms of rings other than six-membered aromatic rings
C07C271/32 (Having oxygen atoms of carbamate groups bound to carbon atoms of rings) appears on 231 US grants and 170 published applications in this corpus.
Search patents in C07C- Granted patents
- 231
- Published applications
- 170
- Assignees
- 137
- Inventors
- 658
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 18 | 0 |
| 1997 | 28 | 0 |
| 1998 | 14 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 9 | 7 |
| 2004 | 1 | 7 |
| 2005 | 4 | 4 |
| 2006 | 3 | 6 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 2 | 7 |
| 2010 | 2 | 7 |
| 2011 | 6 | 12 |
| 2012 | 8 | 10 |
| 2013 | 5 | 7 |
| 2014 | 6 | 8 |
| 2015 | 8 | 9 |
| 2016 | 11 | 8 |
| 2017 | 8 | 10 |
| 2018 | 9 | 4 |
| 2019 | 7 | 6 |
| 2020 | 7 | 11 |
| 2021 | 4 | 7 |
| 2022 | 2 | 7 |
| 2023 | 7 | 4 |
| 2024 | 1 | 9 |
| 2025 | 6 | 3 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ionizable lipids for nucleic acid delivery23 Dec 2025US 12,503,432 B2Global Life Sciences Solutions Canada ULC
- Modulators of liver receptor homologue 1 (LRH-1) and uses16 Sep 2025US 12,415,770 B2Emory University Office of Technology Transfer
- Cannabinoid derivatives10 Jun 2025US 12,325,709 B2Canopy Growth Corporation
- Affinity illudofulvene conjugates8 Apr 2025US 12,269,793 B2AF Chemicals, LLC
- Synthetic methods of preparing esketamine25 Feb 2025US 12,234,200 B2Janssen Pharmaceutica NV
- Alkylphenyl Substituted Compounds, Compositions and Methods of Use14 May 2026US 2026/0132119 A1Deep Apple Therapeutics, Inc.
- Novel monomer and chemically recyclable polymer material comprising the same26 Mar 2026US 2026/0085055 A1Korea Institute of Science and Technology
- Ionizable lipids for nucleic acid delivery19 Mar 2026US 2026/0078085 A1Global Life Sciences Solutions Canada ULC
- Modulators of liver receptor homologue 1 (lrh-1) and uses26 Feb 2026US 2026/0055046 A1Emory University
- Methods and systems for sensitive and multiplexed analysis of biological samples using cleavable fluorphores and click chemistry1 Jan 2026US 2026/0002939 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- High molecular weight polymer-based prodrugs182US 5,614,549 AEnzon, Inc. · 1997
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Functionalized photoinitiators, macromers thereof, and the use thereof111US 5,527,925 ACiba-Geigy Corporation · 1996
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Retroviral protease inhibiting compounds94US 5,541,206 AAbbott Laboratories · 1996