C07C 67/303
By hydrogenation of unsaturated carbon-to-carbon bonds
Official title: by hydrogenation of unsaturated carbon-to-carbon bonds
C07C67/303 (By hydrogenation of unsaturated carbon-to-carbon bonds) appears on 280 US grants and 267 published applications in this corpus.
Search patents in C07C- Granted patents
- 280
- Published applications
- 267
- Assignees
- 169
- Inventors
- 797
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 0 |
| 2002 | 9 | 4 |
| 2003 | 3 | 11 |
| 2004 | 7 | 9 |
| 2005 | 4 | 9 |
| 2006 | 6 | 15 |
| 2007 | 5 | 10 |
| 2008 | 7 | 12 |
| 2009 | 10 | 13 |
| 2010 | 13 | 16 |
| 2011 | 9 | 20 |
| 2012 | 14 | 9 |
| 2013 | 20 | 9 |
| 2014 | 12 | 11 |
| 2015 | 11 | 7 |
| 2016 | 8 | 20 |
| 2017 | 8 | 12 |
| 2018 | 17 | 13 |
| 2019 | 10 | 9 |
| 2020 | 15 | 13 |
| 2021 | 11 | 10 |
| 2022 | 7 | 14 |
| 2023 | 6 | 3 |
| 2024 | 3 | 6 |
| 2025 | 5 | 9 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for hydrogenation of phthalate compound30 Jun 2026US 12,668,565 B2Hanwha Solutions Corporation
- Process for hydrogenation of phthalate based compound17 Mar 2026US 12,577,192 B2Hanwha Solutions Corporation
- Biologically applicable water-soluble heterogeneous catalysts for para-hydrogen induced polarization3 Mar 2026US 12,564,829 B2Cedars-Sinai Medical Center
- Method for ring hydrogenation of dialkyl terephthalates with low by-product formation3 Mar 2026US 12,565,469 B2Evonik Oxeno GmbH
- Materials comprising carbon-embedded nickel nanoparticles, processes for their manufacture, and use as heterogeneous catalysts10 Feb 2026US 12,544,741 B2Evonik Operations GmbH
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Process for preparing esteramide compounds13 Aug 2026US 2026/0234098 A1Specialty Operations France
- Process for producing dialkyl succinate6 Aug 2026US 2026/0225979 A1Johnson Matthey Davy Technologies Limited
- Process for the preparation of cyclohomogeranates4 Dec 2025US 2025/0368599 A1BASF SE
- Synthetic process for production of lipoxin b4 and analogues thereof18 Sep 2025US 2025/0288549 A1University Health Network
Most cited
By later US patents
- Manufacture of alcohols64US 7,700,814 B2ExxonMobil Chemical Patents Inc. · 2010
- Method for hydrogenating benzene polycarboxylic acids or derivatives thereof by using a catalyst containing macropores51US 6,284,917 B1BASF SE · 2001
- Selected cyclohexane -1,3-and -1,4-dicarboxylic acid esters51US 7,208,545 B1BASF SE · 2007
- Asymmetric syntheses48US 5,360,938 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Asymmetric syntheses36US 5,491,266 AUnion Carbide Chemicals & Plastics Technology Corporation · 1996