C07C 45/80
By liquid-liquid treatment
Official title: by liquid-liquid treatment
C07C45/80 (By liquid-liquid treatment) appears on 224 US grants and 144 published applications in this corpus.
Search patents in C07C- Granted patents
- 224
- Published applications
- 144
- Assignees
- 152
- Inventors
- 630
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 5 |
| 2003 | 3 | 3 |
| 2004 | 5 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 3 | 5 |
| 2008 | 5 | 4 |
| 2009 | 2 | 5 |
| 2010 | 5 | 3 |
| 2011 | 3 | 7 |
| 2012 | 1 | 3 |
| 2013 | 3 | 6 |
| 2014 | 5 | 6 |
| 2015 | 9 | 5 |
| 2016 | 3 | 9 |
| 2017 | 5 | 7 |
| 2018 | 5 | 12 |
| 2019 | 13 | 12 |
| 2020 | 12 | 12 |
| 2021 | 12 | 5 |
| 2022 | 3 | 7 |
| 2023 | 2 | 2 |
| 2024 | 3 | 12 |
| 2025 | 2 | 2 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for purifying an aqueous-alcoholic feedstock comprising ethanol and acetaldehyde5 May 2026US 12,616,917 B2Compagnie Generale Des Etablissements Michelin
- Cyclododecanone and preparation method therefor30 Dec 2025US 12,509,411 B2Hanwha Solutions Corporation
- Aldol condensation reaction apparatus25 Mar 2025US 12,257,563 B2Hanwha Solutions Corporation
- Method of decomposing phenolic by-products28 May 2024US 11,993,564 B2LG Chem.Ltd.
- Abietane type diterpene compound, preparation method and application thereof14 May 2024US 11,981,630 B1Hangzhou Normal University
- Method of isolation and purification of xanthohumol27 Aug 2026US 2026/0250226 A1INNOX Sp. z o.o.
- Hydroformylation process6 Aug 2026US 2026/0225983 A1Dow Technology Investments LLC
- Process and system for preparing electronic-grade isopropanol by hydrogenating acetone21 May 2026US 2026/0138939 A1China Petroleum & Chemical Corporation
- Method for preparing neopentyl glycol14 May 2026US 2026/0132095 A1LG Chem.Ltd.
- Metal oxygen-containing complex and its use as a pre-oxidant30 Apr 2026US 2026/0116836 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Process for stereoselective synthesis of prostacyclin derivatives98US 6,809,223 B2United Therapeutics Corporation · 2004
- Process for stereoselective synthesis of prostacyclin derivatives91US 6,700,025 B2United Therapeutics Corporation · 2004
- Hydroformylation of olefins44US 4,215,077 AKuraray Co., Ltd. · 1980
- Removal of organic iodine compounds from carbonylation products of methanol methyl acetate and dimethyl ether44US 4,908,477 ABASF SE · 1990
- Metal-ligand complex catalyzed processes44US 6,252,121 B1Union Carbide Chemicals & Plastics Technology Corporation · 2001