C07C 45/79
By solid-liquid treatment
Official title: by solid-liquid treatment; by chemisorption
C07C45/79 (By solid-liquid treatment) appears on 117 US grants and 93 published applications in this corpus.
Search patents in C07C- Granted patents
- 117
- Published applications
- 93
- Assignees
- 113
- Inventors
- 410
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 8 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 3 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 3 |
| 2015 | 4 | 5 |
| 2016 | 2 | 6 |
| 2017 | 5 | 4 |
| 2018 | 5 | 7 |
| 2019 | 5 | 4 |
| 2020 | 5 | 9 |
| 2021 | 7 | 7 |
| 2022 | 4 | 4 |
| 2023 | 1 | 1 |
| 2024 | 4 | 6 |
| 2025 | 1 | 2 |
| 2026 | 0 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-pressure fluid chromatography system using interior-to-exterior column pressure equalization4 Nov 2025US 12,460,842 B2Supercritical Fluid Technologies, Inc.
- Isolation of chromoplastid carotenoids from fruits10 Dec 2024US 12,162,827 B2Universita Degli Studi di Cagliari
- Process for making biobased products from sugars22 Oct 2024US 12,122,739 B2Archer Daniels Midland Company
- Abietane type diterpene compound, preparation method and application thereof14 May 2024US 11,981,630 B1Hangzhou Normal University
- Cooling loop with a supercritical fluid system using compressed refrigerant fluid flow with a positive Joule Thomson coefficient27 Feb 2024US 11,913,685 B2Supercritical Fluid Technologies, Inc.
- Beta-alkoxy ketone having long-lasting fragrance and preparation method and use thereof1 Oct 2026US 2026/0297007 A1Guangzhou Flower Flavours Fragrances Co., Ltd
- Method for synthesizing cyclic ketone compound from diol and ketone24 Sep 2026US 2026/0285793 A1Zhejiang Sainon Chemical Co., Ltd
- Method of isolation and purification of xanthohumol27 Aug 2026US 2026/0250226 A1INNOX Sp. z o.o.
- Process for preparing compounds derived from 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one23 Jul 2026US 2026/0209154 A1L'oreal
- Process and system for preparing electronic-grade isopropanol by hydrogenating acetone21 May 2026US 2026/0138939 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Removal of iodide compounds from non-aqueous organic media62US 4,615,806 ACelanese Corporation · 1986
- Novel carbamates, their preparation, and pharmaceutical formulations containing these compounds31US 4,335,138 ABASF SE · 1982
- Continuous process for recovery of cyclohexanone30US 3,946,076 AStamicarbon B. V. · 1976
- Production of glycolaldehyde by hydrous thermolysis of sugars28US 7,094,932 B2Resource Transforms International Ltd. · 2006
- Method for the isolation of vanillin from lignin in alkaline solutions26US 4,277,626 A1981