C07C 255/00
Carboxylic acid nitriles
Official title: Carboxylic acid nitriles (cyanogen or compounds thereof C01C3/00)
C07C255/00 (Carboxylic acid nitriles) appears on 6,578 US grants and 3,874 published applications in this corpus.
Search patents in C07C- Granted patents
- 6,578
- Published applications
- 3,874
- Assignees
- 1,954
- Inventors
- 14,093
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 192 | 0 |
| 1977 | 119 | 0 |
| 1978 | 130 | 0 |
| 1979 | 102 | 0 |
| 1980 | 115 | 0 |
| 1981 | 145 | 0 |
| 1982 | 120 | 0 |
| 1983 | 142 | 0 |
| 1984 | 170 | 0 |
| 1985 | 175 | 0 |
| 1986 | 151 | 0 |
| 1987 | 143 | 0 |
| 1988 | 116 | 0 |
| 1989 | 175 | 0 |
| 1990 | 170 | 0 |
| 1991 | 162 | 0 |
| 1992 | 149 | 0 |
| 1993 | 148 | 0 |
| 1994 | 129 | 0 |
| 1995 | 130 | 0 |
| 1996 | 163 | 0 |
| 1997 | 166 | 0 |
| 1998 | 146 | 0 |
| 1999 | 147 | 0 |
| 2000 | 123 | 0 |
| 2001 | 142 | 39 |
| 2002 | 140 | 111 |
| 2003 | 117 | 208 |
| 2004 | 120 | 212 |
| 2005 | 93 | 177 |
| 2006 | 126 | 170 |
| 2007 | 107 | 149 |
| 2008 | 109 | 168 |
| 2009 | 104 | 163 |
| 2010 | 115 | 158 |
| 2011 | 120 | 152 |
| 2012 | 112 | 139 |
| 2013 | 128 | 135 |
| 2014 | 123 | 171 |
| 2015 | 122 | 166 |
| 2016 | 148 | 169 |
| 2017 | 137 | 183 |
| 2018 | 132 | 167 |
| 2019 | 132 | 142 |
| 2020 | 117 | 156 |
| 2021 | 91 | 157 |
| 2022 | 102 | 139 |
| 2023 | 90 | 138 |
| 2024 | 88 | 124 |
| 2025 | 87 | 112 |
| 2026 | 48 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 255/49Carboxylic acid nitriles: having cyano groups bound to carbon atoms of six-membered2,345
- C07C 255/01Carboxylic acid nitriles: having cyano groups bound to acyclic carbon atoms1,985
- C07C 255/45Carboxylic acid nitriles: having cyano groups bound to carbon atoms of rings448
- C07C 255/63Containing cyano groups and nitrogen atoms further bound to other hetero atoms230
- C07C 255/61Containing cyano groups and nitrogen atoms being part of imino groups bound76
- C07C 255/62Containing cyano groups and oxygen atoms being part of oxyimino groups bound30
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Capsaicin analogs and uses thereof29 Sep 2026US 12,747,200 B2Young BioPharma, LLC
- Compounds and methods of inhibiting bacterial chaperonin systems29 Sep 2026US 12,747,219 B2Arizona Board of Regents on Behalf of the University of Arizona
- Amyloid targeting agents and methods of using the same22 Sep 2026US 12,741,949 B2Amydis, Inc.
- Mining collectors15 Sep 2026US 12,734,529 B1
- Bicyclic compounds8 Oct 2026US 2026/0308114 A1Vivace Therapeutics, Inc.
- Novel carboxamide derivatives8 Oct 2026US 2026/0308149 A1Angelini Pharma S.P.A.
- Indene compounds, pharmaceutical compositions thereof, and their therapeutic applications1 Oct 2026US 2026/0297012 A1NucMito Pharmaceuticals Co. Ltd.
- Therapeutic compounds1 Oct 2026US 2026/0297016 A1Regents of the University of Minnesota
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents217US 5,688,819 AAllergan, Inc. · 1997
- Herbicide compositions191US 4,021,224 AStauffer Chemical Company · 1977
- Styryl compounds which inhibit EGF receptor protein tyrosine kinase181US 5,217,999 AYissum Research Development Company of the Hebrew University of Jerusalem · 1993
- Non-acidic cyclopentane heptanoic acid,2-cycloalkyl or arylalkyl derivatives as therapeutic agents177US 6,403,649 B1Allergan Sales, Inc. · 2002
- Amide derivatives176US 4,636,505 AImperial Chemical Industries PLC · 1987