C07C 255/49
Carboxylic acid nitriles: having cyano groups bound to carbon atoms of six-membered
Official title: having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
C07C255/49 (Carboxylic acid nitriles: having cyano groups bound to carbon atoms of six-membered) appears on 2,345 US grants and 2,160 published applications in this corpus.
Search patents in C07C- Granted patents
- 2,345
- Published applications
- 2,160
- Assignees
- 974
- Inventors
- 6,800
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 19 | 0 |
| 1990 | 32 | 0 |
| 1991 | 35 | 0 |
| 1992 | 40 | 0 |
| 1993 | 50 | 0 |
| 1994 | 41 | 0 |
| 1995 | 51 | 0 |
| 1996 | 75 | 0 |
| 1997 | 72 | 0 |
| 1998 | 67 | 0 |
| 1999 | 67 | 0 |
| 2000 | 58 | 0 |
| 2001 | 60 | 10 |
| 2002 | 75 | 52 |
| 2003 | 58 | 126 |
| 2004 | 73 | 136 |
| 2005 | 59 | 89 |
| 2006 | 67 | 104 |
| 2007 | 72 | 87 |
| 2008 | 64 | 108 |
| 2009 | 64 | 98 |
| 2010 | 73 | 91 |
| 2011 | 70 | 83 |
| 2012 | 64 | 69 |
| 2013 | 71 | 76 |
| 2014 | 71 | 104 |
| 2015 | 75 | 89 |
| 2016 | 72 | 100 |
| 2017 | 77 | 109 |
| 2018 | 74 | 82 |
| 2019 | 77 | 76 |
| 2020 | 62 | 91 |
| 2021 | 50 | 73 |
| 2022 | 58 | 75 |
| 2023 | 49 | 83 |
| 2024 | 47 | 65 |
| 2025 | 46 | 56 |
| 2026 | 25 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 255/58Containing cyano groups and singly-bound nitrogen atoms, not being further bound to936
- C07C 255/54Containing cyano groups and etherified hydroxy groups bound to the carbon skeleton599
- C07C 255/57Containing cyano groups and carboxyl groups, other than cyano groups, bound to453
- C07C 255/50To carbon atoms of non-condensed six-membered aromatic rings326
- C07C 255/56Containing cyano groups and doubly-bound oxygen atoms bound to the carbon skeleton171
- C07C 255/53Containing cyano groups and hydroxy groups bound to the carbon skeleton140
- C07C 255/55Containing cyano groups and esterified hydroxy groups bound to the carbon skeleton86
- C07C 255/52To carbon atoms of six-membered aromatic rings being part of condensed ring75
Recent patents
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- Therapeutic compounds1 Oct 2026US 2026/0297016 A1Regents of the University of Minnesota
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- Additives for electrolytes in li-ion batteries3 Sep 2026US 2026/0260941 A1Hydro-Quebec
- Organic compound, electronic element and electronic apparatus using the same20 Aug 2026US 2026/0247792 A1Shaanxi Lighte Optoelectronics Material Co., Ltd.
Most cited
By later US patents
- Modulators of ATP-binding cassette transporters157US 7,495,103 B2Vertex Pharmaceuticals Incorporated · 2009
- Process of preparing compositions having multiple oriented mesogens149US 5,073,294 AHercules Incorporated · 1991
- Difluorobenzonitrile derivatives136US 5,211,878 AMerck Patent GmbH · 1993
- Organic electroluminecence device134US 10,435,350 B2Idemitsu Kosan Co., Ltd. · 2019
- Anti-androgenic amides126US 4,239,776 AImperial Chemical Industries PLC · 1980