C07C 45/66
By dehydration
Official title: by dehydration
C07C45/66 (By dehydration) appears on 203 US grants and 85 published applications in this corpus.
Search patents in C07C- Granted patents
- 203
- Published applications
- 85
- Assignees
- 106
- Inventors
- 402
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 15 | 0 |
| 1979 | 6 | 0 |
| 1980 | 15 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 0 |
| 2003 | 2 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 4 |
| 2006 | 3 | 3 |
| 2007 | 4 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 4 |
| 2011 | 0 | 5 |
| 2012 | 4 | 5 |
| 2013 | 5 | 4 |
| 2014 | 3 | 2 |
| 2015 | 2 | 3 |
| 2016 | 4 | 6 |
| 2017 | 5 | 6 |
| 2018 | 6 | 3 |
| 2019 | 7 | 8 |
| 2020 | 4 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 4 |
| 2024 | 0 | 2 |
| 2025 | 2 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing functionalized organic molecules and uses thereof28 Jul 2026US 12,692,215 B2Universitat Politecnica De Catalunya
- Process of preparing 3-fluoro-5(((1R,2AR)-3,3,4,4-tetrafluoro-1,2A-dihydroxy-2,2A,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)-oxy)benzonitrile7 Oct 2025US 12,435,034 B2Nikang Therapeutics, Inc.
- Abietanes and methods of making and using the same11 Feb 2025US 12,221,419 B2The Florida State University Research Foundation, Inc.
- Circular economy methods of preparing unsaturated compounds12 Sep 2023US 11,753,360 B2International Flavors & Fragrances Inc.
- Method for producing α-allylated cycloalkanone27 Jun 2023US 11,685,705 B2Kao Corporation
- Method for synthesizing cyclic ketone compound from diol and ketone24 Sep 2026US 2026/0285793 A1Zhejiang Sainon Chemical Co., Ltd
- Direct conversion of glycerol to acrylic acid over wox/zrox and mixed metal oxide18 Dec 2025US 2025/0382254 A1
- Method for producing cyclic diketone compound3 Jul 2025US 2025/0214920 A1Kao Corporation
- Method for producing cyclic diketone compound3 Jul 2025US 2025/0214921 A1Kao Corporation
- Abietanes and methods of making and using the same15 May 2025US 2025/0154106 A1The Florida State University Research Foundation, Inc.
Most cited
By later US patents
- Method for the preparation of unsaturated ketones50US 5,300,654 ANippon Soda Co., Ltd. · 1994
- Preparation of alpha, beta-unsaturated ketones43US 4,885,395 ABASF Aktiengsellschaft · 1989
- [(5,6,9a-Substituted-3-oxo-1,2,9,9a-tetrahydro-3H-fluoren-7-yl)oxy]alka noic and cycloalkanoic acids and their analogs, esters, salts and derivatives39US 4,316,043 AMerck & Co., Inc. · 1982
- Growth promotors for ruminants37US 4,333,952 ABeecham Group Limited · 1982
- [(5,6,9a-Substituted-3-oxo-1,2,9,9a-tetrahydro-3H-fluoren-7-yl)oxy]alkano ic and cycloalkanoic acids, their analogs, esters, salts, and derivatives36US 4,337,354 AMerck & Co., Inc. · 1982