C07C 45/783
By gas-liquid treatment
Official title: {by gas-liquid treatment, e.g. by gas-liquid absorption}
C07C45/783 (By gas-liquid treatment) appears on 78 US grants and 32 published applications in this corpus.
Search patents in C07C- Granted patents
- 78
- Published applications
- 32
- Assignees
- 55
- Inventors
- 228
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 4 |
| 2024 | 2 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the continuous production of either acrolein or acrylic acid as the target product from propene9 Jun 2026US 12,649,710 B2BASF SE
- Process for hydroformylation with removal of dissolved hydrogen28 Apr 2026US 12,612,351 B2Johnson Matthey Davy Technologies Limited
- Process for preparing acrylic acid14 Oct 2025US 12,441,676 B2LG Chem.Ltd.
- Antibacterial compound isolated from Psiloxylon mauritianum and its derivatives31 Dec 2024US 12,178,790 B2Centre National de la Recherche Scientifique (CNRS)
- Method for preparing acetaldehyde from acetylene under catalysis of ZAPO molecular sieve25 Jun 2024US 12,017,981 B2Bozun Investment Group Limited
- Method for preparation of aldehyde7 May 2026US 2026/0125337 A1LG Chem.Ltd.
- Systems for purifying acetone9 Apr 2026US 2026/0098006 A1Kellogg Brown & Root LLC
- Method for producing fluorenone24 Apr 2025US 2025/0129005 A1Mitsubishi Gas Chemical Company, Inc.
- Method for producing isopropyl alcohol8 Aug 2024US 2024/0262768 A1Nippon Shokubai Co., Ltd.
- Method for producing propylene21 Mar 2024US 2024/0092709 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Process for producing peracids from aliphatic hydroxy carboxylic acids69US 4,617,090 AThe United States of America as represented by the United States Department of Energy · 1986
- Baffle tray tower42US 4,543,219 ANippon Kayaku Kabushiki Kaisha · 1985
- Hydroformylation process39US 5,087,763 AUnion Carbide Chemicals & Plastics Technology Corporation · 1992
- Process for recovery of phosphorus ligand from vaporized aldehyde31US 5,110,990 AUnion Carbide Chemicals & Plastics Technology Corporation · 1992
- Hydroformylation catalyst removal23US 4,625,067 AExxon Research & Engineering Co. · 1986