C07C 67/27
From ortho-esters
Official title: from ortho-esters
C07C67/27 (From ortho-esters) appears on 29 US grants and 7 published applications in this corpus.
Search patents in C07C- Granted patents
- 29
- Published applications
- 7
- Assignees
- 16
- Inventors
- 42
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing compound30 Sep 2025US 12,428,387 B2Kureha Corporation
- Processes for preparing a 3-isopropenyl-6-heptenal compound and a 6- isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, and an intermediate therefor7 Nov 2023US 11,807,602 B2Shin-Etsu Chemical Co., Ltd.
- Process for the production of allyl compounds by deoxydehydration of glycerol23 Nov 2021US 11,180,434 B2Universite De Liege
- Metathesis of olefins using ruthenium based catalytic complexes14 Nov 2017US 9,816,051 B2Croda International PLC
- Metathesis process28 Mar 2017US 9,604,903 B2Croda International PLC
- Method for producing compound31 Aug 2023US 2023/0271929 A1Kureha Corporation
- Processes for preparing a 3-isopropenyl-6-heptenal compound and a 6-isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, and an intermediate therefor16 Jun 2022US 2022/0185763 A1Shin-Etsu Chemical Co., Ltd.
- Process for the production of allyl compounds by deoxydehydration of glycerol5 Mar 2020US 2020/0071248 A1Universite De Liege
- Metathesis process12 Feb 2015US 2015/0045568 A1Croda International PLC
- Metathesis of olefins using ruthenium based catalytic complexes15 Jan 2015US 2015/0018574 A1Croda International PLC
Most cited
By later US patents
- Process for preparation of substituted cyclopropane carboxylic acids and esters thereof and intermediates of said acids and esters18US 4,113,968 AKuraray Co., Ltd. · 1978
- Optically active alcohols and lower esters thereof7US 4,045,475 AHoffmann-La Roche Inc. · 1977
- Benzyl cyanoacetals7US 4,144,263 ABurroughs Wellcome Co. · 1979
- Process for preparing stereospecific farnesylacetic acid and ester thereof6US 4,028,385 AKuraray Co., Ltd. · 1977
- Alkinyl terminating groups in biogenetic-like cyclizations to steroids6US 4,189,431 AThe Board of Trustees of the Leland Stanford Junior University · 1980