C07C 271/34
With the nitrogen atoms of the carbamate groups bound to hydrogen atoms
Official title: with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
C07C271/34 (With the nitrogen atoms of the carbamate groups bound to hydrogen atoms) appears on 170 US grants and 122 published applications in this corpus.
Search patents in C07C- Granted patents
- 170
- Published applications
- 122
- Assignees
- 103
- Inventors
- 485
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 17 | 0 |
| 1997 | 19 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 7 | 6 |
| 2004 | 0 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 3 |
| 2010 | 1 | 4 |
| 2011 | 3 | 6 |
| 2012 | 6 | 8 |
| 2013 | 3 | 6 |
| 2014 | 4 | 7 |
| 2015 | 6 | 6 |
| 2016 | 8 | 8 |
| 2017 | 7 | 9 |
| 2018 | 7 | 3 |
| 2019 | 6 | 4 |
| 2020 | 5 | 10 |
| 2021 | 4 | 5 |
| 2022 | 0 | 6 |
| 2023 | 5 | 3 |
| 2024 | 1 | 6 |
| 2025 | 6 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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
- Multi-tail type ionizable lipid, preparation method therefor and use thereof18 Dec 2025US 2025/0381139 A1South China University of Technology
- Affinity illudofulvene conjugates25 Sep 2025US 2025/0296912 A1Illudent, Inc.
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
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Retroviral protease inhibiting compounds94US 5,541,206 AAbbott Laboratories · 1996
- Amino-benzocycloalkane derivatives63US 6,197,798 B1Novartis AG · 2001