C07C 45/65
By splitting-off hydrogen atoms or functional groups
Official title: by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
C07C45/65 (By splitting-off hydrogen atoms or functional groups) appears on 536 US grants and 256 published applications in this corpus.
Search patents in C07C- Granted patents
- 536
- Published applications
- 256
- Assignees
- 274
- Inventors
- 1,160
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 12 | 0 |
| 1978 | 28 | 0 |
| 1979 | 16 | 0 |
| 1980 | 26 | 0 |
| 1981 | 15 | 0 |
| 1982 | 17 | 0 |
| 1983 | 18 | 0 |
| 1984 | 10 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 16 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 10 |
| 2002 | 11 | 9 |
| 2003 | 9 | 9 |
| 2004 | 11 | 11 |
| 2005 | 2 | 10 |
| 2006 | 7 | 4 |
| 2007 | 10 | 8 |
| 2008 | 5 | 3 |
| 2009 | 4 | 9 |
| 2010 | 3 | 9 |
| 2011 | 3 | 8 |
| 2012 | 5 | 11 |
| 2013 | 13 | 10 |
| 2014 | 9 | 13 |
| 2015 | 18 | 15 |
| 2016 | 13 | 15 |
| 2017 | 11 | 12 |
| 2018 | 14 | 7 |
| 2019 | 11 | 20 |
| 2020 | 16 | 9 |
| 2021 | 5 | 13 |
| 2022 | 11 | 8 |
| 2023 | 4 | 12 |
| 2024 | 4 | 11 |
| 2025 | 6 | 8 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for synthesizing xanthohumol11 Aug 2026US 12,703,673 B2Pro Xn Sp. Z O.O.
- Process for producing functionalized organic molecules and uses thereof28 Jul 2026US 12,692,215 B2Universitat Politecnica De Catalunya
- Photo catalytic device for continuous process for co-conversion of CO2+H2O to C1-oxygenates in sunlight19 May 2026US 12,629,661 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,374 B2Chirogate International Inc.
- Processes and intermediates for the preparations of benzoprostacyclin analogues and benzoprostacyclin analogues prepared therefrom16 Dec 2025US 12,497,375 B2Chirogate International Inc.
- Method for synthesizing cyclic ketone compound from diol and ketone24 Sep 2026US 2026/0285793 A1Zhejiang Sainon Chemical Co., Ltd
- Process27 Aug 2026US 2026/0250230 A1Givaudan SA
- Direct conversion of glycerol to acrylic acid over wox/zrox and mixed metal oxide18 Dec 2025US 2025/0382254 A1
- 1-(cyclobutanemethylidene)-2, 4, 5-trimethoxybenzene compound and preparation method and use thereof28 Aug 2025US 2025/0270159 A1Chengdu Xinrui Taikang Technology Co., Ltd.
- Method for producing cyclic diketone compound3 Jul 2025US 2025/0214920 A1Kao Corporation
Most cited
By later US patents
- Antifertility compounds114US 4,230,862 AEli Lilly and Company · 1980
- Photodefinable polymers containing perfluorocyclobutane groups80US 5,426,164 AThe Dow Chemical Company · 1995
- Reactive compounds containing perfluorocyclobutane rings72US 5,021,602 AThe Dow Chemical Company · 1991
- Method for preparing aromatic compounds52US 5,886,210 ARohm and Haas Company · 1999
- Method for the preparation of unsaturated ketones50US 5,300,654 ANippon Soda Co., Ltd. · 1994