C07C 29/34
By condensation involving hydroxy groups or the mineral ester groups derived therefrom
Official title: by condensation involving hydroxy groups or the mineral ester groups derived therefrom, e.g. Guerbet reaction
C07C29/34 (By condensation involving hydroxy groups or the mineral ester groups derived therefrom) appears on 86 US grants and 104 published applications in this corpus.
Search patents in C07C- Granted patents
- 86
- Published applications
- 104
- Assignees
- 75
- Inventors
- 262
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 9 |
| 2010 | 7 | 11 |
| 2011 | 3 | 2 |
| 2012 | 3 | 4 |
| 2013 | 6 | 8 |
| 2014 | 2 | 13 |
| 2015 | 11 | 4 |
| 2016 | 5 | 5 |
| 2017 | 2 | 3 |
| 2018 | 4 | 1 |
| 2019 | 4 | 4 |
| 2020 | 3 | 3 |
| 2021 | 3 | 8 |
| 2022 | 2 | 1 |
| 2023 | 2 | 7 |
| 2024 | 4 | 3 |
| 2025 | 3 | 10 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing Guerbet alcohol4 Aug 2026US 12,698,248 B2Kao Corporation
- Process for making ethers from ethanol9 Jun 2026US 12,649,886 B2The Trustees of Princeton University
- Process for producing mixed alcohols from purge stream containing octene14 Apr 2026US 12,600,691 B2Dow Global Technologies LLC
- Embedded hydrothermal-resistant NiSn-CS nano-catalyst and preparation method therefor and application thereof10 Mar 2026US 12,569,837 B2Guangdong University of Technology
- Method of producing bio-derived branched alkyl glyceryl ether, and bio-derived branched alkyl glyceryl ether produced by said method20 Jan 2026US 12,528,755 B2Adeka Corporation
- Mixed guerbet reaction of ethanol and methanol to produce isobutanol8 Oct 2026US 2026/0308094 A1BASF SE
- Process for the preparation of polyisobutene from olefins from isobutanol obtained from mixed guerbet reaction of ethanol and methanol8 Oct 2026US 2026/0308287 A1BASF SE
- Process for Producing Guerbet Alcohols from Fusel Alcohols20 Aug 2026US 2026/0242315 A1Terra Mater BV
- Catalysts for isobutanol synthesis8 Jan 2026US 2026/0008737 A1China Petroleum & Chemical Corporation
- Method of producing bio-derived branched alkyl glyceryl ether, and bio-derived branched alkyl glyceryl ether produced by said method21 Aug 2025US 2025/0263362 A1Adeka Corporation
Most cited
By later US patents
- Mixed carbon length synthesis of primary guerbet alcohols36US 9,422,469 B2Chevron U.S.A.Inc. · 2016
- Process for the conversion of lower alcohols to higher branched oxygenates32US 5,559,275 AUop LLC · 1996
- Catalytic conversion of ethanol and methanol to an isobutanol-containing reaction product using a thermally decomposed hydrotalcite containing the anion of ethylenediaminetetraacetic acid17US 7,700,813 B2E. I. Du Pont de Nemours and Company · 2010
- Method for the production of guerbet alcohols utilizing insoluble lead catalysts16US 4,011,273 AHenkel Corporation · 1977
- Catalytic conversion of ethanol to a 1-butanol-containing reaction product using a thermally decomposed hydrotalcite catalyst16US 7,700,810 B2E. I. Du Pont de Nemours and Company · 2010