C07C 281/00
Derivatives of carbonic acid containing functional groups covered by groups c07c269/00 -
Official title: Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
C07C281/00 (Derivatives of carbonic acid containing functional groups covered by groups c07c269/00 -) appears on 557 US grants and 363 published applications in this corpus.
Search patents in C07C- Granted patents
- 557
- Published applications
- 363
- Assignees
- 309
- Inventors
- 1,319
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 21 | 0 |
| 1996 | 15 | 0 |
| 1997 | 37 | 0 |
| 1998 | 27 | 0 |
| 1999 | 30 | 0 |
| 2000 | 22 | 0 |
| 2001 | 29 | 8 |
| 2002 | 24 | 19 |
| 2003 | 16 | 17 |
| 2004 | 12 | 23 |
| 2005 | 10 | 13 |
| 2006 | 10 | 13 |
| 2007 | 9 | 11 |
| 2008 | 7 | 11 |
| 2009 | 6 | 18 |
| 2010 | 9 | 12 |
| 2011 | 8 | 19 |
| 2012 | 13 | 12 |
| 2013 | 13 | 17 |
| 2014 | 15 | 19 |
| 2015 | 17 | 16 |
| 2016 | 14 | 19 |
| 2017 | 19 | 23 |
| 2018 | 10 | 18 |
| 2019 | 16 | 13 |
| 2020 | 17 | 18 |
| 2021 | 13 | 8 |
| 2022 | 4 | 11 |
| 2023 | 5 | 8 |
| 2024 | 3 | 5 |
| 2025 | 1 | 4 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 281/02Compounds containing any of the groups [image cpc-sch-c07c-0972.gif]200
- C07C 281/16Compounds containing any of the groups [image cpc-sch-c07c-0974.gif]198
- C07C 281/06Compounds containing any of the groups [image cpc-sch-c07c-0973.gif]184
- C07C 281/20The two nitrogen atoms of the functional groups being doubly-bound to each17
Recent patents
- IGF2BP2 inhibitors and uses thereof31 Mar 2026US 12,590,056 B2City of Hope
- Tunable nitric oxide-releasing macromolecules having multiple nitric oxide donor structures23 Dec 2025US 12,503,428 B2Ligand Pharmaceuticals Incorporated
- Compositions and methods for the treatment of cancer24 Sep 2024US 12,098,117 B2Duke University
- Therapeutic compounds11 Jun 2024US 12,006,294 B2Regents of the University of Minnesota
- Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto2 Apr 2024US 11,944,099 B2Corteva Agriscience LLC
- Degradable crosslinking agent10 Sep 2026US 2026/0265184 A1Nagase Chemtex Corporation
- Igf2bp2 inhibitors and uses thereof27 Aug 2026US 2026/0250242 A1City of Hope
- Degradable crosslinking agent20 Aug 2026US 2026/0242563 A1Nagase Chemtex Corporation
- Indene compounds, pharmaceutical compositions thereof, and their therapeutic applications2 Jul 2026US 2026/0184663 A1NucMito Pharmaceuticals Co. Ltd.
- Antiozonant compositions and methods25 Jun 2026US 2026/0176383 A1
Most cited
By later US patents
- Branched hydrazone linkers174US 5,824,805 A1998
- Substituted semicarbazides and the use thereof155US 6,281,211 B1Euro-Celtique S. A. · 2001
- Apparatus and methods for multi-analyte homogeneous fluoro-immunoassays124US 5,919,712 AUniversity of Utah Research Foundation · 1999
- Guanylhydrazones and their use to treat inflammatory conditions94US 5,854,289 AThe Picower Institute for Medical Research · 1998
- Carbidopa prodrugs and derivatives, and compositions and uses thereof80US 7,101,912 B2XenoPort, Inc. · 2006