C07C 67/313
By introduction of doubly bound oxygen containing functional groups
Official title: by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
C07C67/313 (By introduction of doubly bound oxygen containing functional groups) appears on 171 US grants and 174 published applications in this corpus.
Search patents in C07C- Granted patents
- 171
- Published applications
- 174
- Assignees
- 148
- Inventors
- 529
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 7 |
| 2004 | 4 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 6 |
| 2007 | 4 | 1 |
| 2008 | 4 | 5 |
| 2009 | 1 | 9 |
| 2010 | 5 | 1 |
| 2011 | 2 | 13 |
| 2012 | 5 | 8 |
| 2013 | 4 | 7 |
| 2014 | 15 | 11 |
| 2015 | 12 | 15 |
| 2016 | 8 | 8 |
| 2017 | 4 | 6 |
| 2018 | 5 | 7 |
| 2019 | 6 | 6 |
| 2020 | 8 | 6 |
| 2021 | 3 | 10 |
| 2022 | 7 | 11 |
| 2023 | 7 | 9 |
| 2024 | 5 | 9 |
| 2025 | 6 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods of making bempedoic acid and compositions of the same28 May 2026US 2026/0146017 A1Esperion Therapeutics, Inc.
- Recycled content dimethyl terephthalate and related chemical components from waste plastic5 Feb 2026US 2026/0035533 A1Eastman Chemical Company
- Novel compositions for the sustainable catalysis of organic synthesis reactions17 Apr 2025US 2025/0121362 A1
Most cited
By later US patents
- Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis63US 7,378,528 B2Evonik Degussa GmbH · 2008
- Process for the preparation of monocarbonyl or biscarbonyl compounds56US 4,769,464 AChemie Linz Gesellschaft m.b.H. · 1988
- Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis52US 6,635,768 B1Degussa AG · 2003
- Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis49US 7,652,145 B2Degussa AG · 2010
- Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis38US 7,294,717 B2Degussa AG · 2007