C07C 255/12
Containing cyano groups and hydroxy groups bound to the carbon skeleton
Official title: containing cyano groups and hydroxy groups bound to the carbon skeleton
C07C255/12 (Containing cyano groups and hydroxy groups bound to the carbon skeleton) appears on 12 US grants and 12 published applications in this corpus.
Search patents in C07C- Granted patents
- 12
- Published applications
- 12
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the purification of ethylene cyanohydrin2 Dec 2025US 12,486,220 B2Evonik Operations GmbH
- Process for preparing optically pure (R)-4-n-propyl-dihydrofuran-2(3H)-one13 Apr 2021US 10,975,050 B2Beijing Ablepharmtech Co., Ltd.
- Method for producing diol21 Jul 2020US 10,717,693 B2Daikin Industries, Ltd.
- Fluorene compound and pharmaceutical use thereof28 Oct 2014US 8,871,934 B2Japan Tobacco Inc.
- Fluorene compound and pharmaceutical use thereof1 Jan 2013US 8,343,994 B2Japan Tobacco Inc.
- Method for the purification of ethylene cyanohydrin26 Feb 2026US 2026/0055053 A1Evonik Operations GmbH
- A method for the purification of ethylene cyanohydrin1 Feb 2024US 2024/0034715 A1Evonik Operations GmbH
- Fluorene compound and pharmaceutical use thereof1 Oct 2020US 2020/0308109 A1Japan Tobacco Inc.
- Process for preparing optically pure (r)-4-n-propyl-dihydrofuran-2(3h)-one28 Nov 2019US 2019/0359583 A1Beijing Ablepharmtech Co., Ltd.
- Fluorene compound and pharmaceutical use thereof13 Jun 2019US 2019/0177271 A1Japan Tobacco Inc.
Most cited
By later US patents
- Joint preparation of 3-dialkylaminopropionitriles, bis-(2-cyanoethyl) ether and, if desired, ethylene-cyanohydrin10US 4,965,362 A1990
- LTA.sub.4, hydrolase inhibitors6US 6,110,944 AG. D. Searle & Co. · 2000
- Fluorene compound and pharmaceutical use thereof5US 8,871,934 B2Japan Tobacco Inc. · 2014
- Fluorene compound and pharmaceutical use thereof3US 8,343,994 B2Japan Tobacco Inc. · 2013