C07C 45/49
Preparation of compounds having >c = o groups bound only to carbon
Official title: by reaction with carbon monoxide
C07C45/49 (Preparation of compounds having >c = o groups bound only to carbon) appears on 1,625 US grants and 739 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,625
- Published applications
- 739
- Assignees
- 358
- Inventors
- 2,321
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 44 | 0 |
| 1977 | 20 | 0 |
| 1978 | 22 | 0 |
| 1979 | 31 | 0 |
| 1980 | 54 | 0 |
| 1981 | 64 | 0 |
| 1982 | 48 | 0 |
| 1983 | 44 | 0 |
| 1984 | 65 | 0 |
| 1985 | 69 | 0 |
| 1986 | 60 | 0 |
| 1987 | 27 | 0 |
| 1988 | 31 | 0 |
| 1989 | 31 | 0 |
| 1990 | 23 | 0 |
| 1991 | 31 | 0 |
| 1992 | 30 | 0 |
| 1993 | 36 | 0 |
| 1994 | 29 | 0 |
| 1995 | 31 | 0 |
| 1996 | 16 | 0 |
| 1997 | 20 | 0 |
| 1998 | 55 | 0 |
| 1999 | 32 | 0 |
| 2000 | 29 | 0 |
| 2001 | 42 | 5 |
| 2002 | 50 | 33 |
| 2003 | 31 | 39 |
| 2004 | 26 | 40 |
| 2005 | 27 | 31 |
| 2006 | 34 | 25 |
| 2007 | 25 | 29 |
| 2008 | 17 | 20 |
| 2009 | 17 | 21 |
| 2010 | 20 | 28 |
| 2011 | 25 | 19 |
| 2012 | 20 | 22 |
| 2013 | 16 | 18 |
| 2014 | 27 | 24 |
| 2015 | 27 | 37 |
| 2016 | 31 | 47 |
| 2017 | 47 | 25 |
| 2018 | 24 | 22 |
| 2019 | 30 | 32 |
| 2020 | 27 | 16 |
| 2021 | 14 | 24 |
| 2022 | 17 | 55 |
| 2023 | 23 | 45 |
| 2024 | 35 | 44 |
| 2025 | 14 | 25 |
| 2026 | 17 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition with mixed C8-C18 alcohols and surfactants thereof11 Aug 2026US 12,703,827 B2Dow Global Technologies LLC
- Processes to improve catalytic metal accountability in hydroformylation processes4 Aug 2026US 12,698,251 B2Dow Technology Investments LLC
- Process for the continuous production of either acrolein or acrylic acid as the target product from propene9 Jun 2026US 12,649,710 B2BASF SE
- Methods for producing higher alcohols from waste plastic pyrolysis oil and the higher alcohols obtained therefrom26 May 2026US 12,637,397 B2ExxonMobil Chemical Patents Inc.
- Integrated process to produce aldehydes from synthesis gas5 May 2026US 12,617,742 B2Rohm and Haas Company
- Hydroformylation process8 Oct 2026US 2026/0308097 A1Dow Technology Investments LLC
- Process for improving rhodium/phosphite-based homogenous hydroformylation catalyst activity8 Oct 2026US 2026/0308098 A1Dow Technology Investments LLC
- Method and apparatus for production of alcohols27 Aug 2026US 2026/0250223 A1Johnson Matthey Davy Technologies Limited
- Process for preparing, by hydroformylation, short-chain olefins in the gas phase20 Aug 2026US 2026/0242321 A1Evonik Oxeno GmbH
- Method and apparatus for producing aldehyde13 Aug 2026US 2026/0234092 A1Johnson Matthey Davy Technologies Limited
Most cited
By later US patents
- Hydroformylation of olefins163US 4,148,830 AUnion Carbide Corporation · 1979
- Transition metal complex catalyzed processes126US 4,769,498 AUnion Carbide Corporation · 1988
- Transition metal complex catalyzed processes112US 4,668,651 AUnion Carbide Corporation · 1987
- Catalytic hydroformylation of olefins102US 4,248,802 ARhone-Poulenc Industries · 1981
- Hydroformylation process97US 5,288,918 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994