B01J 23/04
Alkali metals
B01J23/04 (Alkali metals) appears on 488 US grants and 424 published applications in this corpus.
Search patents in B01J- Granted patents
- 488
- Published applications
- 424
- Assignees
- 354
- Inventors
- 1,423
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 14 | 0 |
| 1991 | 18 | 0 |
| 1992 | 20 | 0 |
| 1993 | 10 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 4 |
| 2002 | 6 | 3 |
| 2003 | 6 | 7 |
| 2004 | 7 | 6 |
| 2005 | 6 | 5 |
| 2006 | 7 | 15 |
| 2007 | 6 | 5 |
| 2008 | 5 | 4 |
| 2009 | 2 | 18 |
| 2010 | 2 | 13 |
| 2011 | 5 | 9 |
| 2012 | 1 | 10 |
| 2013 | 13 | 13 |
| 2014 | 11 | 13 |
| 2015 | 12 | 22 |
| 2016 | 13 | 23 |
| 2017 | 22 | 17 |
| 2018 | 19 | 27 |
| 2019 | 18 | 28 |
| 2020 | 23 | 30 |
| 2021 | 16 | 39 |
| 2022 | 18 | 26 |
| 2023 | 24 | 34 |
| 2024 | 18 | 19 |
| 2025 | 19 | 20 |
| 2026 | 20 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heterogeneous catalyst for transesterification and method of preparing same6 Oct 2026US RE51,051 E1Crystaphase Products, Inc.
- Filter for air purification and manufacturing method thereof15 Sep 2026US 12,734,512 B2Hyundai Motor Company
- Heterogeneous catalyst for transesterification and method of preparing same18 Aug 2026US RE50,994 E1Crystaphase Products, Inc.
- Ammonia synthesis catalyst28 Jul 2026US 12,691,436 B2Japan Science and Technology Agency
- Carbon dioxide hydrogenation catalyst14 Jul 2026US 12,678,771 B1King Fahd University of Petroleum and Minerals
- Reactor system and method thereof for degassing sulfur1 Oct 2026US 2026/0296887 A1Fluor Technologies Corporation
- Reverse water gas shift catalysts comprising an alkali metal and alumina27 Aug 2026US 2026/0250138 A1Saudi Arabian Oil Company
- Method for manufacturing combustion aid for addition before fossil fuel combustion and desulfurization catalyst27 Aug 2026US 2026/0250590 A1
- Process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of raney nickel and a basic co-catalyst20 Aug 2026US 2026/0242328 A1BASF SE
- Oxidative coupling catalyst, method for producing oxidative coupling catalyst, and method for producing hydrocarbons6 Aug 2026US 2026/0225078 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Composition of matter for oxidative conversion of organic compounds75US 4,895,823 APhillips Petroleum Company · 1990
- Lithium/magnesium oxide catalyst and method of making74US 5,041,405 AThe Texas A&M University System · 1991
- Oxidation of methane over heterogeneous catalysts69US 5,336,826 AThe British Petroleum Company p.l.c. · 1994
- In situ formation of coal gasification catalysts from low cost alkali metal salts65US 4,551,155 ASRI International · 1985
- Nanowire catalysts and methods for their use and preparation64US 8,962,517 B2Siluria Technologies, Inc. · 2015