C07D 311/72
3,4-dihydro derivatives having in position 2 at least one methyl radical and
Official title: 3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
C07D311/72 (3,4-dihydro derivatives having in position 2 at least one methyl radical and) appears on 457 US grants and 267 published applications in this corpus.
Search patents in C07D- Granted patents
- 457
- Published applications
- 267
- Assignees
- 215
- Inventors
- 886
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 18 | 0 |
| 1979 | 7 | 0 |
| 1980 | 16 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 24 | 0 |
| 1998 | 12 | 0 |
| 1999 | 20 | 0 |
| 2000 | 18 | 0 |
| 2001 | 10 | 3 |
| 2002 | 19 | 13 |
| 2003 | 7 | 14 |
| 2004 | 13 | 11 |
| 2005 | 7 | 17 |
| 2006 | 10 | 13 |
| 2007 | 4 | 14 |
| 2008 | 5 | 7 |
| 2009 | 7 | 6 |
| 2010 | 12 | 14 |
| 2011 | 5 | 11 |
| 2012 | 10 | 7 |
| 2013 | 11 | 13 |
| 2014 | 8 | 12 |
| 2015 | 13 | 8 |
| 2016 | 7 | 12 |
| 2017 | 12 | 11 |
| 2018 | 9 | 14 |
| 2019 | 10 | 7 |
| 2020 | 7 | 17 |
| 2021 | 7 | 8 |
| 2022 | 8 | 8 |
| 2023 | 6 | 5 |
| 2024 | 4 | 12 |
| 2025 | 3 | 4 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ring closure of benzoquinones containing an unsaturated side chain using a basic catalyst8 Sep 2026US 12,729,188 B2Dsm IP Assets B.V.
- Tocopherol derivatives and methods of use6 Jan 2026US 12,516,035 B2BioVentures, LLC
- Preparation method and application of micelle preparation containing thymol and derivative thereof10 Jun 2025US 12,324,790 B1Nanjing Mucosa Tech Co., Ltd.
- Method of producing refined oils and/or fats, and method for producing tocopherols1 Apr 2025US 12,264,140 B2The Nisshin OilliO Group, Ltd.
- Compositions comprising quinone and/or quinol and methods of preparations and use thereof18 Feb 2025US 12,226,374 B2American River Nutrition, Inc.
- Production of terpenoids, phenolic compounds, and vitamins from yeast family trichosporonaceae27 Aug 2026US 2026/0250719 A1Technische Universität München
- Manufacturing 2,3,5-trimethylhydroquinone from a mixture of mesitol and 2,3,6-trimethylphenol20 Aug 2026US 2026/0242317 A1Dsm IP Assets B.V.
- Intermolecular cyclopropanation of unsaturated hydrocarbons20 Aug 2026US 2026/0242327 A1The Penn State Research Foundation
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Degradable cationic lipid containing a disulfide bond and applications thereof13 Aug 2026US 2026/0234104 A1Xiamen Sinopeg Biotech Co., Ltd.
Most cited
By later US patents
- Photographic element and process comprising a compound which comprises two timing groups in sequence90US 4,861,701 AEastman Kodak Company · 1989
- Production of farnesol and geranylgeraniol87US 6,689,593 B2Arkion Life Sciences, LLC · 2004
- Method of producing geranylgeraniol76US 6,531,303 B1Arkion Life Sciences, LLC · 2003
- Esters and amides of non-steroidal anti-inflammatory carboxylic acids which may be used as anti-oxidants, 5-lipoxygenase inhibitors and non-steroidal anti-inflammatory prodrugs73US 5,607,966 AAlcon Laboratories, Inc. · 1997
- Tocotrienols and tocotrienol-like compounds and methods for their use72US 5,591,772 ALipogenics, Inc. · 1997