B01J 2231/64
Reductions in general of organic substrates
Official title: Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
B01J2231/64 (Reductions in general of organic substrates) appears on 1,126 US grants and 843 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,126
- Published applications
- 843
- Assignees
- 532
- Inventors
- 2,653
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 17 | 0 |
| 1980 | 25 | 0 |
| 1981 | 27 | 0 |
| 1982 | 25 | 0 |
| 1983 | 17 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 13 | 0 |
| 1987 | 14 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 32 | 0 |
| 1994 | 19 | 0 |
| 1995 | 12 | 0 |
| 1996 | 24 | 0 |
| 1997 | 12 | 0 |
| 1998 | 19 | 0 |
| 1999 | 32 | 0 |
| 2000 | 27 | 0 |
| 2001 | 27 | 9 |
| 2002 | 14 | 17 |
| 2003 | 31 | 38 |
| 2004 | 25 | 35 |
| 2005 | 21 | 32 |
| 2006 | 19 | 25 |
| 2007 | 20 | 27 |
| 2008 | 14 | 25 |
| 2009 | 20 | 29 |
| 2010 | 22 | 51 |
| 2011 | 15 | 25 |
| 2012 | 25 | 21 |
| 2013 | 24 | 36 |
| 2014 | 22 | 36 |
| 2015 | 43 | 52 |
| 2016 | 42 | 61 |
| 2017 | 39 | 37 |
| 2018 | 36 | 44 |
| 2019 | 41 | 34 |
| 2020 | 30 | 35 |
| 2021 | 29 | 37 |
| 2022 | 23 | 33 |
| 2023 | 22 | 39 |
| 2024 | 30 | 33 |
| 2025 | 19 | 22 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for preparing catalyst for selective hydrogenation of cyclododecatriene and catalyst prepared by preparation method1 Sep 2026US 12,722,147 B2Hanwha Solutions Corporation
- Catalytic hydrogenolysis of a polymer25 Aug 2026US 12,715,826 B2Northwestern University
- Reduction by a silane in the presence of Zinc catalyst28 Jul 2026US 12,692,213 B2Firmenich SA
- Nanohybrid catalyst for hydrogenation reactions30 Jun 2026US 12,667,833 B2Imam Abdulrahman Bin Faisal University
- Selective photocatalytic reduction of alkynes to alkenes powered by a cobalt-porphyrin metal-organic frameworks16 Jun 2026US 12,655,078 B2Northwestern University
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Selective semi-hydrogenation of allene24 Sep 2026US 2026/0284649 A1Firmenich SA
- Process for the preparation of tucatinib3 Sep 2026US 2026/0258034 A1Dr. Reddy's Laboratories, Inc.
- Biocatalytic synthesis of (1s,3s)-3-hydroxycyclohexane-1-carboxylic acid compounds3 Sep 2026US 2026/0258454 A1Bristol-Myers Squibb Company
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Vinly-substituted bridged metallocenes111US 5,565,592 APhillips Petroleum Company · 1996
- Olefin hydrogenation catalyst, process for hydrogenating polymers with the catalyst, and hydrogenated block copolymers produced by said processes70US 4,673,714 AAsahi Kasei Kogyo Kabushiki Kaisha · 1987
- Preparation of colloidal iron dispersions by the polymer-catalyzed decomposition of iron carbonyl and iron organocarbonyl compounds69US 4,252,671 AXerox Corporation · 1981
- Metallocenes and processes therefor and therewith66US 5,466,766 APhillips Petroleum Company · 1995
- Dual functional catalyst of packing type and the catalytic distillation equipment62US 6,117,812 AChina Petro-Chemical Corporation · 2000