C07C 29/68
Preparation of metal alcoholates
Official title: Preparation of metal alcoholates (C07C29/42, C07C29/54 take precedence)
C07C29/68 (Preparation of metal alcoholates) appears on 246 US grants and 110 published applications in this corpus.
Search patents in C07C- Granted patents
- 246
- Published applications
- 110
- Assignees
- 119
- Inventors
- 449
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 16 | 0 |
| 1980 | 4 | 0 |
| 1981 | 20 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 6 |
| 2003 | 4 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 5 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 4 |
| 2009 | 2 | 10 |
| 2010 | 3 | 6 |
| 2011 | 1 | 6 |
| 2012 | 5 | 3 |
| 2013 | 2 | 3 |
| 2014 | 6 | 5 |
| 2015 | 7 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 8 |
| 2018 | 5 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 6 |
| 2021 | 7 | 7 |
| 2022 | 8 | 5 |
| 2023 | 6 | 6 |
| 2024 | 4 | 7 |
| 2025 | 0 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for controlling a reactive distillation column7 Jul 2026US 12,673,909 B2BASF SE
- Process for the energy-efficient preparation of alkali metal alcoholates16 Jun 2026US 12,655,082 B2Evonik Operations GmbH
- Process for the energy-efficient production of alkali metal alkoxides31 Dec 2024US 12,180,141 B2Evonik Operations GmbH
- Terephthalic acid esters formation27 Aug 2024US 12,071,520 B29449710 Canada Inc.
- Chromium-catalyzed production of alcohols from hydrocarbons4 Jun 2024US 11,999,679 B2Chevron Phillips Chemical Company LP
- Improved process for preparing metal alkoxide compounds16 Jul 2026US 2026/0200949 A1Evonik Operations GmbH
- Improved process for producing alkali metal methoxides9 Jul 2026US 2026/0193158 A1Evonik Operations GmbH
- Improved process for production of alkali metal methoxides14 May 2026US 2026/0132096 A1Evonik Operations GmbH
- Method for producing an alkali metal alkoxide1 Jan 2026US 2026/0001826 A1Evonik Operations GmbH
- Improved process for preparing metal alkoxide compounds6 Nov 2025US 2025/0340576 A1Evonik Operations GmbH
Most cited
By later US patents
- Process for the separation of mixtures of substances103US 3,969,196 AStudiengesellschaft Kohle mbH · 1976
- Process for preparing aluminum alkoxides100US 4,242,271 AUnion Carbide Corporation · 1980
- Flavoring with substituted norbornane derivatives35US 4,076,853 AInternational Flavors & Fragrances Inc. · 1978
- Alkaline barium alcoholates31US 4,020,115 AThe General Tire & Rubber Company · 1977
- Process for producing alkali metal alcoholates25US 4,895,989 AMetallgesellschaft Aktiengesellschaft · 1990