C07C 67/293
By isomerisation
Official title: by isomerisation; by change of size of the carbon skeleton
C07C67/293 (By isomerisation) appears on 257 US grants and 210 published applications in this corpus.
Search patents in C07C- Granted patents
- 257
- Published applications
- 210
- Assignees
- 188
- Inventors
- 704
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 1 |
| 2002 | 9 | 7 |
| 2003 | 7 | 4 |
| 2004 | 5 | 12 |
| 2005 | 5 | 8 |
| 2006 | 3 | 9 |
| 2007 | 10 | 7 |
| 2008 | 1 | 2 |
| 2009 | 4 | 10 |
| 2010 | 3 | 5 |
| 2011 | 3 | 8 |
| 2012 | 6 | 4 |
| 2013 | 2 | 7 |
| 2014 | 7 | 8 |
| 2015 | 12 | 14 |
| 2016 | 11 | 11 |
| 2017 | 10 | 9 |
| 2018 | 8 | 11 |
| 2019 | 7 | 7 |
| 2020 | 11 | 9 |
| 2021 | 7 | 9 |
| 2022 | 4 | 12 |
| 2023 | 7 | 13 |
| 2024 | 6 | 11 |
| 2025 | 9 | 10 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isomerization of polyunsaturated non-aromatic compounds9 Jun 2026US 12,649,713 B2BASF SE
- Cannabinoid analogs, formulations, and methods of use24 Mar 2026US 12,583,832 B2Nalu Bio, Inc.
- Process and system for depolymerizing plastic3 Feb 2026US 12,540,227 B2Syre Inc.
- Longer-lived ruthenium olefin metathesis catalysts supported by hemi-labile carbene ligands14 Oct 2025US 12,440,831 B2The Trustees of the California State University
- PCNHCP metal complexes and uses thereof14 Oct 2025US 12,441,669 B2Technion Research & Development Foundation Limited
- Preparation of alpha-necrodyl isobutyrate from dienes4 Jun 2026US 2026/0152461 A1Suterra, LLC
- Cannabinoid analogs, formulations, and methods of use1 Jan 2026US 2026/0001856 A1Nalu Bio, Inc.
- 5-(2-butyl-1,3-dioxolan-2-yl)-1-methylpentyl acetate and process for preparing 2,7-diacetoxyundecane therefrom9 Oct 2025US 2025/0313543 A1Shin-Etsu Chemical Co., Ltd.
- Process for preparing tapinarof28 Aug 2025US 2025/0270158 A1Dermavant Sciences GmbH
- Synthesis of cannabinoids and cannabinoid precursors, and related compounds, formulations, and methods of use28 Aug 2025US 2025/0270181 A1Nalu Bio, Inc.
Most cited
By later US patents
- Recyclable metathesis catalysts82US 6,921,735 B2The Trustees of Boston College · 2005
- Metathesis syntheses of pheromones or their components65US 6,696,597 B2TillieChem, Inc. · 2004
- Synthesis of 5-decenyl acetate and other pheromone components60US 6,215,019 B1TillieChem, Inc. · 2001
- Impurity inhibition in olefin metathesis reactions57US 6,900,347 B2TillieChem, Inc. · 2005
- Process for the synthesis of unsaturated alcohols54US 7,176,336 B2Dow Global Technologies LLC · 2007