C07C 29/48
Preparation of compounds having hydroxy or o-metal groups bound to a carbon
Official title: by oxidation reactions with formation of hydroxy groups
C07C29/48 (Preparation of compounds having hydroxy or o-metal groups bound to a carbon) appears on 657 US grants and 487 published applications in this corpus.
Search patents in C07C- Granted patents
- 657
- Published applications
- 487
- Assignees
- 349
- Inventors
- 1,445
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 15 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 20 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 17 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 19 | 7 |
| 2002 | 12 | 13 |
| 2003 | 13 | 18 |
| 2004 | 11 | 18 |
| 2005 | 11 | 19 |
| 2006 | 21 | 24 |
| 2007 | 10 | 14 |
| 2008 | 7 | 8 |
| 2009 | 10 | 15 |
| 2010 | 12 | 10 |
| 2011 | 10 | 10 |
| 2012 | 9 | 13 |
| 2013 | 10 | 22 |
| 2014 | 20 | 23 |
| 2015 | 17 | 21 |
| 2016 | 15 | 25 |
| 2017 | 18 | 19 |
| 2018 | 20 | 28 |
| 2019 | 22 | 20 |
| 2020 | 22 | 26 |
| 2021 | 23 | 29 |
| 2022 | 14 | 23 |
| 2023 | 21 | 33 |
| 2024 | 15 | 19 |
| 2025 | 15 | 25 |
| 2026 | 16 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the preparation of 1,2-propanediol, dipropylene glycol and tripropylene glycol7 Jul 2026US 12,673,912 B2Evonik Operations GmbH
- Method for the preparation of 1,2-propanediol and dipropylene glycol30 Jun 2026US 12,668,560 B2Evonik Operations GmbH
- Activation of alkyl substrates in condensed phase with ozone23 Jun 2026US 12,662,441 B2University of Kansas
- Process for producing a porous alpha-alumina catalyst support16 Jun 2026US 12,654,152 B2BASF SE
- Plasma conversion reactor of C02 with C1 to C4 hydrocarbon to C1 to C5 oxygenate and method thereof12 May 2026US 12,623,199 B2The University of Liverpool
- Method for preparing 1,4-butanediol with low acetal content and low 2-methyl-1,4-butanediol content1 Oct 2026US 2026/0297001 A1Shanghai DiYang Chemical Technology Co., Ltd.
- System and method for integrated livestock methane capture, processing, and conversion to high-value products13 Aug 2026US 2026/0234083 A1Planet.Tech
- Mixed metal oxide catalyst system for the partial oxidation of alkanes to value added products and oxygenates2 Jul 2026US 2026/0183753 A1Council of Scientific and Industrial Research
- Method for the preparation of 1,2-propanediol4 Jun 2026US 2026/0152455 A1Evonik Operations GmbH
- Chromium-catalyzed reactions of carbon monoxide with hydrocarbons in the presence of uv light26 Mar 2026US 2026/0084137 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Phase transfer catalysis of heterogeneous reactions by quaternary salts123US 3,992,432 AContinental Oil Company · 1976
- Porphyrins97US 4,892,941 A1990
- Catalytic oxidation of alkanes92US 5,132,472 ASun Refining and Marketing Company · 1992
- Catalytic oxidation of alkanes73US 5,414,157 ASun Company, Inc. (R&M) · 1995
- Substituted porphyrins, porphyrin-containing polymers, and synthetic methods therefor61US 5,371,199 AThe Trustees of the University of Pennsylvania · 1994