C07C 255/45
Carboxylic acid nitriles: having cyano groups bound to carbon atoms of rings
Official title: having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings
C07C255/45 (Carboxylic acid nitriles: having cyano groups bound to carbon atoms of rings) appears on 448 US grants and 398 published applications in this corpus.
Search patents in C07C- Granted patents
- 448
- Published applications
- 398
- Assignees
- 227
- Inventors
- 1,321
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 17 | 0 |
| 1993 | 10 | 0 |
| 1994 | 18 | 0 |
| 1995 | 15 | 0 |
| 1996 | 7 | 0 |
| 1997 | 19 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 1 |
| 2002 | 10 | 10 |
| 2003 | 11 | 16 |
| 2004 | 6 | 10 |
| 2005 | 4 | 16 |
| 2006 | 10 | 16 |
| 2007 | 8 | 14 |
| 2008 | 9 | 9 |
| 2009 | 6 | 12 |
| 2010 | 10 | 16 |
| 2011 | 16 | 17 |
| 2012 | 11 | 14 |
| 2013 | 11 | 19 |
| 2014 | 16 | 25 |
| 2015 | 13 | 21 |
| 2016 | 18 | 18 |
| 2017 | 22 | 22 |
| 2018 | 14 | 25 |
| 2019 | 17 | 12 |
| 2020 | 11 | 18 |
| 2021 | 11 | 14 |
| 2022 | 9 | 13 |
| 2023 | 7 | 12 |
| 2024 | 12 | 20 |
| 2025 | 8 | 16 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cyclic azine compound, material for organic light emitting diode, electron transport material for organic light emitting diode, and organic light emitting diode14 Jul 2026US 12,679,821 B2Sagami Chemical Research Institute
- Hydroxynorketamine analogues, compositions comprising same and methods of use thereof16 Jun 2026US 12,655,089 B2Spirify Pharma Inc.
- Substituted cyclohexyl compounds as NOP inhibitors2 Jun 2026US 12,643,888 B2Dart NeuroScience, LLC
- Cis-para-substituted cyclohexylaminonitrile salt, preparation method therefor and use thereof, and method for preparing pesticide using same28 Apr 2026US 12,612,359 B2Hebei Guzhirun Technology Co., Ltd
- Fragrance composition27 Jan 2026US 12,534,685 B2Symrise AG
- Process for producing isophorone nitrile24 Sep 2026US 2026/0285805 A1Evonik Operations GmbH
- Cyclic azine compound, material for organic light emitting diode, electron transport material for organic light emitting diode, and organic light emitting diode25 Jun 2026US 2026/0176248 A1Sagami Chemical Research Institute
- Light-emitting device including organic compound, electronic apparatus and electronic device including the light-emitting device, and the organic compound14 May 2026US 2026/0136827 A1Samsung Display Co., Ltd.
- Light-emitting device including condensed cyclic compound, electronic apparatus and electronic device each including the light-emitting device, and the condensed cyclic compound7 May 2026US 2026/0130108 A1Samsung Display Co., Ltd.
- Compound, light-emitting device including same, and electronic apparatus and electronic equipment each including same30 Apr 2026US 2026/0123276 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Substituted 1-H-3-aryl-pyrrolidine-2,4-dione derivatives102US 5,462,913 ABayer Aktiengesellschaft · 1995
- Adamantylglycine-based inhibitors of dipeptidyl peptidase IV and methods92US 6,995,183 B2Bristol-Myers Squibb Company · 2006
- Therapeutic compounds and methods of use90US 6,326,507 B1Trustees of Dartmouth College · 2001
- Tricyclic-bis-enone derivatives and methods of use thereof88US 7,176,237 B2Trustees of Dartmouth College · 2007
- Therapeutic compounds and methods of use82US 6,552,075 B2Trustees of Dartmouth College · 2003