B01J 2231/60
Reduction reactions
Official title: Reduction reactions, e.g. hydrogenation
B01J2231/60 (Reduction reactions) appears on 1,270 US grants and 1,026 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,270
- Published applications
- 1,026
- Assignees
- 629
- Inventors
- 3,172
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 12 | 0 |
| 1978 | 14 | 0 |
| 1979 | 17 | 0 |
| 1980 | 26 | 0 |
| 1981 | 29 | 0 |
| 1982 | 27 | 0 |
| 1983 | 21 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 17 | 0 |
| 1992 | 16 | 0 |
| 1993 | 33 | 0 |
| 1994 | 19 | 0 |
| 1995 | 12 | 0 |
| 1996 | 24 | 0 |
| 1997 | 12 | 0 |
| 1998 | 21 | 0 |
| 1999 | 33 | 0 |
| 2000 | 28 | 0 |
| 2001 | 28 | 9 |
| 2002 | 15 | 19 |
| 2003 | 33 | 40 |
| 2004 | 26 | 36 |
| 2005 | 23 | 37 |
| 2006 | 19 | 27 |
| 2007 | 22 | 30 |
| 2008 | 15 | 27 |
| 2009 | 22 | 34 |
| 2010 | 23 | 53 |
| 2011 | 18 | 34 |
| 2012 | 26 | 28 |
| 2013 | 27 | 44 |
| 2014 | 27 | 46 |
| 2015 | 51 | 74 |
| 2016 | 49 | 69 |
| 2017 | 54 | 45 |
| 2018 | 46 | 55 |
| 2019 | 53 | 43 |
| 2020 | 35 | 44 |
| 2021 | 34 | 42 |
| 2022 | 29 | 48 |
| 2023 | 26 | 46 |
| 2024 | 39 | 50 |
| 2025 | 28 | 31 |
| 2026 | 18 | 15 |
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
- Ammonia manufacturing apparatus and ammonia manufacturing method1 Sep 2026US 12,723,315 B2Kabushiki Kaisha Toshiba
- 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
- 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
- Catalyst for ammonia synthesis obtained by combining hydrogen-containing aluminum and iron3 Sep 2026US 2026/0257929 A1Institute of Science Tokyo
- 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
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
- Homogeneous catalyst formulations for methanol production67US 4,992,480 AAssociated Universities, Inc. · 1991
- Metallocenes and processes therefor and therewith66US 5,466,766 APhillips Petroleum Company · 1995