B01J 23/889
Manganese, technetium or rhenium
B01J23/889 (Manganese, technetium or rhenium) appears on 918 US grants and 997 published applications in this corpus.
Search patents in B01J- Granted patents
- 918
- Published applications
- 997
- Assignees
- 556
- Inventors
- 2,731
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 13 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 18 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 8 | 8 |
| 2002 | 16 | 11 |
| 2003 | 10 | 23 |
| 2004 | 15 | 32 |
| 2005 | 9 | 16 |
| 2006 | 15 | 14 |
| 2007 | 14 | 24 |
| 2008 | 15 | 38 |
| 2009 | 16 | 52 |
| 2010 | 16 | 52 |
| 2011 | 23 | 38 |
| 2012 | 22 | 35 |
| 2013 | 34 | 45 |
| 2014 | 39 | 47 |
| 2015 | 44 | 74 |
| 2016 | 49 | 65 |
| 2017 | 47 | 49 |
| 2018 | 41 | 47 |
| 2019 | 40 | 48 |
| 2020 | 35 | 43 |
| 2021 | 40 | 40 |
| 2022 | 31 | 40 |
| 2023 | 34 | 45 |
| 2024 | 26 | 37 |
| 2025 | 19 | 43 |
| 2026 | 19 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Method of producing nanostructured iron-based catalysts for converting syngas to light olefins6 Oct 2026US 12,752,262 B2Agency for Science, Technology and Research
- Dual reactor system for simultaneous decontamination and cracking of plastic derived oil to circular chemicals22 Sep 2026US 12,742,125 B2Saudi Arabian Oil Company
- Dual reactor system with dual catalyst regeneration for upgrading plastic derived oil to hydrocarbon intermediates25 Aug 2026US 12,716,033 B2Saudi Arabian Oil Company
- System and method for pre-purification of a feed gas stream4 Aug 2026US 12,697,584 B2Linde Aktiengesellschaft
- Iron manganese based catalyst, catalyst precursor and catalytic process8 Oct 2026US 2026/0307061 A1Oxford University Innovation Limited
- Bimetallic catalysts supported on lanthanum manganite (lamno3) for ammonia decomposition8 Oct 2026US 2026/0307984 A1King Fahd University of Petroleum and Minerals
- One-pot electrospun spinel ferrite/perovskite oxide nanofiber catalysts for energy harvesting and conversion10 Sep 2026US 2026/0264052 A1Khalifa University of Science and Technology
- Process and catalyst for the production of hydrogen by decomposition of ammonia by plasma catalysis10 Sep 2026US 2026/0264061 A1Energo
- Metal oxide supported atomic quantum clusters (aqcs) catalysts as oxygen carriers for chemical looping processes10 Sep 2026US 2026/0264063 A1Lancaster University
Most cited
By later US patents
- Cobalt catalysts for the conversion of methanol to hydrocarbons and for Fischer-Tropsch synthesis140US 4,568,663 AExxon Research & Engineering Co. · 1986
- Hydrogenolysis of 6-carbon sugars and other organic compounds124US 6,841,085 B2Battelle Memorial Institute · 2005
- Hydrogenation catalyst, process for preparing and process for using said catalyst105US 5,243,095 AEngelhard Corporation · 1993
- Surface supported cobalt catalysts, process utilizing these catalysts for the preparation of hydrocarbons from synthesis gas and process for the preparation of said catalysts90US 5,545,674 AExxon Research & Engineering Co. · 1996
- Catalyst pretreatment method83US 5,070,064 AExxon Research & Engineering Co. · 1991