C07C 41/28
From acetals
Official title: from acetals, e.g. by dealcoholysis
C07C41/28 (From acetals) appears on 97 US grants and 45 published applications in this corpus.
Search patents in C07C- Granted patents
- 97
- Published applications
- 45
- Assignees
- 58
- Inventors
- 224
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 3 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 0 | 1 |
| 2014 | 5 | 3 |
| 2015 | 2 | 1 |
| 2016 | 3 | 4 |
| 2017 | 3 | 1 |
| 2018 | 4 | 3 |
| 2019 | 3 | 6 |
| 2020 | 4 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Muguet type fragrance compounds19 May 2026US 12,630,783 B2Symrise AG
- Etherification process18 Oct 2022US 11,472,759 B2Bp P.L.C.
- Selective acetalization / etherification process5 Jul 2022US 11,377,615 B2Bp P.L.C.
- Synthesis of 2′-fluoro-6′-methylene-carbocyclic adenosine (FMCA) and 2′-fluoro-6′methylene-carbocyclic guanosine (FMCG)4 May 2021US 10,995,093 B2University of Georgia Research Foundation, Inc.
- Nitrogen and/or oxygen-containing hydrofluoroolefins and methods of making and using the same2 Mar 2021US 10,934,247 B23M Innovative Properties Company
- Purification of an ethylenically unsaturated alcohol stream, preparation of an ethylenically unsaturated aldehyde, in particular prenal, and compounds derived therefrom6 Nov 2025US 2025/0340502 A1BASF SE
- Process for the ruthenium-catalysed hydrogenation of aldehyde acetals26 Jun 2025US 2025/0206691 A1Evonik Oxeno GmbH
- Muguet type fragrance compounds9 Nov 2023US 2023/0357664 A1Symrise AG
- Vinyl-ethers and methods of their production21 Jul 2022US 2022/0227693 A1Henkel AG & Co. KGaA
- Etherification Process25 Nov 2021US 2021/0363084 A1Bp P.L.C.
Most cited
By later US patents
- Manufacture of alcohols64US 7,700,814 B2ExxonMobil Chemical Patents Inc. · 2010
- .alpha.-Mono (methyl-branched alkyl) glyceryl ether and a skin care cosmetic composition containing the same60US 4,634,719 AKao Soap Co., Ltd. · 1987
- Polyvinyl ether compound37US 5,399,631 AIdemitsu Kosan Co., Ltd. · 1995
- Manufacture of purified alcohols31US 8,288,596 B2ExxonMobil Chemical Patents Inc. · 2012
- Lubricating oil for compression-type refrigerators26US 5,449,472 AIdemitsu Kosan Co., Ltd. · 1995