C07D 317/20
Free hydroxyl or mercaptan
C07D317/20 (Free hydroxyl or mercaptan) appears on 230 US grants and 95 published applications in this corpus.
Search patents in C07D- Granted patents
- 230
- Published applications
- 95
- Assignees
- 138
- Inventors
- 516
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 18 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 7 |
| 2003 | 4 | 4 |
| 2004 | 5 | 6 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 2 | 7 |
| 2008 | 3 | 2 |
| 2009 | 1 | 4 |
| 2010 | 2 | 6 |
| 2011 | 1 | 3 |
| 2012 | 3 | 3 |
| 2013 | 1 | 3 |
| 2014 | 8 | 11 |
| 2015 | 5 | 4 |
| 2016 | 3 | 6 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 3 | 4 |
| 2020 | 1 | 1 |
| 2021 | 4 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 4 |
| 2025 | 0 | 0 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochemical transformations29 Sep 2026US 12,747,508 B2Loughborough University
- Key intermediate for synthesis of prostaglandin compound and preparation method thereof12 May 2026US 12,623,992 B2Shenzhen Catalys Technology Co., Ltd
- Method for manufacturing (2,2-dimethyl-1,3-dioxolan-4-yl)methanol17 Mar 2026US 12,577,220 B2Centre National De La Recherche Scientifique
- Synthesis of (2S,3R,4R)-4,5-dihydroxyisoleucine and derivatives21 Feb 2023US 11,584,708 B2Heidelberg Pharma Research GmbH
- Hydrophilic polymer derivative having cyclic benzylidene acetal linker20 Dec 2022US 11,530,295 B2Nof Corporation
- Electrochemical transformations16 Jul 2026US 2026/0201574 A1Loughborough University
- Process and system for preparing electronic-grade isopropanol by hydrogenating acetone21 May 2026US 2026/0138939 A1China Petroleum & Chemical Corporation
- Metal oxygen-containing complex and its use as a pre-oxidant30 Apr 2026US 2026/0116836 A1China Petroleum & Chemical Corporation
- Method for producing triazole derivative enantiomer (r)15 Jan 2026US 2026/0015329 A1Kureha Corporation
- Electrochemical transformations14 Nov 2024US 2024/0376612 A1Loughborough University
Most cited
By later US patents
- Compositions which have a physiological cooling effect, and active compounds suitable for these compositions241US 5,266,592 AHaarmann & Reimer GmbH · 1993
- Compositions and methods for silencing apolipoprotein B153US 8,236,943 B2Protiva Biotherapeutics, Inc. · 2012
- Analogs of calicheamicin gamma1I, method of making and using the same149US 5,264,586 AThe Scripps Research Institute · 1993
- Chiral additives for cholesteric displays87US 6,830,789 B2Kent Displays Incorporated · 2004
- Polyol derivatives, processes for preparing the same and their uses in therapeutics67US 4,423,071 ASanofi · 1983