C07C 41/54
By addition of compounds to unsaturated carbon-to-carbon bonds
Official title: by addition of compounds to unsaturated carbon-to-carbon bonds
C07C41/54 (By addition of compounds to unsaturated carbon-to-carbon bonds) appears on 72 US grants and 30 published applications in this corpus.
Search patents in C07C- Granted patents
- 72
- Published applications
- 30
- Assignees
- 46
- Inventors
- 154
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 3 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 3 |
| 2024 | 0 | 5 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing indene acryladehyde derivatives24 Mar 2026US 12,583,809 B2Firmenich SA
- Sustainable process for the manufacture of 1,1,4,4-tetramethoxy-2-butene6 Jan 2026US 12,516,009 B2Dsm IP Assets B.V.
- 11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound25 Nov 2025US 12,479,786 B2Shin-Etsu Chemical Co., Ltd.
- Device for continuously preparing 2,6-dihydroxybenzaldehyde7 Oct 2025US 12,434,217 B2Asymchem Laboratories (Fuxin) Co., Ltd.
- Acetal compounds and processes for preparing thereof, and processes for preparing aldehyde compounds from the acetal compounds30 May 2023US 11,661,390 B2Shin-Etsu Chemical Co., Ltd.
- 11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound26 Feb 2026US 2026/0055042 A1Shin-Etsu Chemical Co., Ltd.
- Process for preparing an acetal from an olefin using PtI2 or PtBr221 Nov 2024US 2024/0383832 A1Evonik Oxeno GmbH
- Process for preparing an acetal from an olefin using an iodine-alkyl compound21 Nov 2024US 2024/0383833 A1Evonik Oxeno GmbH
- Method for producing isobutyl vinyl ether and method for purifying isobutyl vinyl ether7 Mar 2024US 2024/0076258 A1Maruzen Petrochemical Co., Ltd.
- Method for producing (2-methoxyethyl) vinyl ether, and method for refining (2-methoxyethyl) vinyl ether29 Feb 2024US 2024/0067592 A1Maruzen Petrochemical Co., Ltd.
Most cited
By later US patents
- Skin lightening compositions42US 6,068,834 AThe Procter & Gamble Company · 2000
- Polyvinyl ether compound37US 5,399,631 AIdemitsu Kosan Co., Ltd. · 1995
- Lubricating oil for compression-type refrigerators26US 5,449,472 AIdemitsu Kosan Co., Ltd. · 1995
- 9-Phenyl-nonate traene compounds24US 4,215,215 AHoffmann-La Roche Inc. · 1980
- Liquid crystal mixtures23US 4,180,475 A1979