C07C 255/51
Containing at least two cyano groups bound to the carbon skeleton
Official title: containing at least two cyano groups bound to the carbon skeleton
C07C255/51 (Containing at least two cyano groups bound to the carbon skeleton) appears on 107 US grants and 148 published applications in this corpus.
Search patents in C07C- Granted patents
- 107
- Published applications
- 148
- Assignees
- 76
- Inventors
- 421
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 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 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 8 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 4 |
| 2009 | 1 | 4 |
| 2010 | 2 | 7 |
| 2011 | 3 | 3 |
| 2012 | 1 | 5 |
| 2013 | 2 | 1 |
| 2014 | 3 | 3 |
| 2015 | 4 | 4 |
| 2016 | 4 | 6 |
| 2017 | 3 | 11 |
| 2018 | 3 | 12 |
| 2019 | 10 | 4 |
| 2020 | 8 | 7 |
| 2021 | 4 | 9 |
| 2022 | 5 | 15 |
| 2023 | 4 | 19 |
| 2024 | 7 | 8 |
| 2025 | 2 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic electric element, display panel comprising the same and display device comprising the same8 Sep 2026US 12,733,395 B2LG Chem.Ltd.
- Circularly polarized OLED emitting layer composition14 Jul 2026US 12,680,018 B2Centre National de la Recherche Scientifique (CNRS)
- Electron withdrawing group (EWG)-containing organic molecules for improved optical properties in AR/VR components16 Jun 2026US 12,656,634 B2Meta Platforms Technologies, LLC
- Additives for electrolytes in Li-ion batteries28 Apr 2026US 12,614,756 B2Hydro-Quebec
- Organic electroluminescent element and electronic device24 Mar 2026US 12,583,864 B2Idemitsu Kosan Co., Ltd.
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Additives for electrolytes in li-ion batteries3 Sep 2026US 2026/0260941 A1Hydro-Quebec
- Photoelectric conversion element, imaging element, photoelectric conversion element material, and compound26 Mar 2026US 2026/0090266 A1Tosoh Corporation
- Process for the preparation of diversely substituted cyanocyclopropyl-heterocycles or arenes31 Jul 2025US 2025/0243169 A1Syngenta Crop Protection AG
- 3,6-BIS(Cyanomethylidene)Cyclohexa-1,4-Diene Compounds and Their Use in Organic Electronic Devices8 May 2025US 2025/0151611 A1Novaled GmbH
Most cited
By later US patents
- Method for direct arylation of diamondoids37US 5,347,063 AMobil Oil Corporation · 1994
- Electrophotographic photoconductor20US 5,350,653 ARicoh Company, Ltd. · 1994
- Aromatic benzobisazole polymers and copolymers incorporating diphenylamino moieties20US 5,633,337 AThe United States of America as represented by the Secretary of the Air Force · 1997
- Electrophotographic photoconductor19US 5,486,438 ARicoh Company, Ltd. · 1996
- Quinoid compounds and their use in semiconducting matrix materials, electronic and optoelectronic structural elements15US 9,490,432 B2Novaled GmbH · 2016