C07C 67/283
By hydrogenation of unsaturated carbon-to-carbon bonds
Official title: by hydrogenation of unsaturated carbon-to-carbon bonds
C07C67/283 (By hydrogenation of unsaturated carbon-to-carbon bonds) appears on 54 US grants and 45 published applications in this corpus.
Search patents in C07C- Granted patents
- 54
- Published applications
- 45
- Assignees
- 43
- Inventors
- 149
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 5 |
| 2015 | 6 | 7 |
| 2016 | 4 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst for hydrogenation of aromatic compound and preparation method therefor12 Mar 2024US 11,925,920 B2Hanwha Chemical Corporation
- Metal powderdous catalyst for hydrogenation processes11 Oct 2022US 11,465,130 B2Dsm IP Assets B.V.
- Process for the preparation of hyperpolarized carboxylate compounds30 Jun 2020US 10,695,448 B2Bracco Imaging S.P.A.
- Process for the preparation of hyperpolarized carboxylate compounds6 Aug 2019US 10,369,236 B2Bracco Imaging S.P.A.
- Method for regenerating hydrogenation catalyst for phthalate compound8 Jan 2019US 10,173,212 B2Hanwha Chemical Corporation
- Catalyst, preparation method and use thereof10 Sep 2026US 2026/0264050 A1Shanghai DiYang Chemical Technology Co., Ltd.
- Process for production of ketocarboxylic acid vinyl esters5 Dec 2024US 2024/0400489 A1Christian-Albrechts-Universität zu Kiel
- Frustrated lewis pair-impregnated porous materials and uses thereof15 Aug 2024US 2024/0269659 A1University of South Florida
- Process for preparing 3-(cyclohex-1-en-1-yl)propanal derivatives16 Nov 2023US 2023/0365523 A1
- Systems and methods for generation of hyperpolarized compounds using parahydrogen21 Sep 2023US 2023/0295058 A1Nvision Imaging Technologies GmbH
Most cited
By later US patents
- Intermediates for the synthesis of benzindene prostaglandins and preparations thereof31US 8,524,939 B2Chirogate International Inc. · 2013
- Intermediates for the synthesis of benzindene prostaglandins and preparations thereof31US 8,658,837 B2Chirogate International Inc. · 2014
- Producing method of alcohols such as cyclohexanedimethanol13US 6,600,080 B1Nippon Shokubai Co., Ltd. · 2003
- Novel dihydropyridine derivatives11US 5,034,395 AOtsuka Pharmaceutical Co., Ltd. · 1991
- Cycloolefin phosphine ligands and their use in catalysis7US 7,763,739 B2Evonik Degussa GmbH · 2010