C07C 255/56
Containing cyano groups and doubly-bound oxygen atoms bound to the carbon skeleton
Official title: containing cyano groups and doubly-bound oxygen atoms bound to the carbon skeleton
C07C255/56 (Containing cyano groups and doubly-bound oxygen atoms bound to the carbon skeleton) appears on 171 US grants and 101 published applications in this corpus.
Search patents in C07C- Granted patents
- 171
- Published applications
- 101
- Assignees
- 112
- Inventors
- 497
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 2 |
| 2003 | 4 | 5 |
| 2004 | 2 | 2 |
| 2005 | 1 | 5 |
| 2006 | 2 | 10 |
| 2007 | 3 | 1 |
| 2008 | 4 | 6 |
| 2009 | 5 | 7 |
| 2010 | 3 | 3 |
| 2011 | 3 | 7 |
| 2012 | 3 | 5 |
| 2013 | 5 | 3 |
| 2014 | 5 | 12 |
| 2015 | 8 | 4 |
| 2016 | 2 | 4 |
| 2017 | 6 | 7 |
| 2018 | 9 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Visible light active biomass derived photoinitiators15 Jun 2023US 2023/0183167 A1Bowling Green State University
- Treatment of disorders associated with oxidative stress and compounds for same4 May 2023US 2023/0139593 A1Board of Regents, The University of Texas System
Most cited
By later US patents
- Photodefinable polymers containing perfluorocyclobutane groups80US 5,426,164 AThe Dow Chemical Company · 1995
- Process for conditioning substances54US 5,709,884 AAstra Aktiebolag · 1998
- Androgen receptor suppressors in the therapy and diagnosis of prostate cancer, alopecia and other hyper-androgenic syndromes51US 6,472,415 B1Biophysica, Inc. · 2002
- (1-Oxo-2-aryl or thienyl-2-substituted-5-indanyloxy (or thio) alkanoic acids, and derivatives thereof44US 4,096,267 AMerck & Co., Inc. · 1978
- Compounds and their therapeutic use44US 6,747,057 B2Consejo Superior de Investigaciones Cientificas · 2004