B01J 38/64
Using alkaline material
Official title: using alkaline material; using salts
B01J38/64 (Using alkaline material) appears on 144 US grants and 126 published applications in this corpus.
Search patents in B01J- Granted patents
- 144
- Published applications
- 126
- Assignees
- 88
- Inventors
- 346
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 5 |
| 2002 | 6 | 4 |
| 2003 | 3 | 8 |
| 2004 | 5 | 0 |
| 2005 | 6 | 5 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 8 |
| 2009 | 4 | 5 |
| 2010 | 6 | 3 |
| 2011 | 2 | 5 |
| 2012 | 1 | 7 |
| 2013 | 4 | 3 |
| 2014 | 6 | 7 |
| 2015 | 5 | 8 |
| 2016 | 9 | 11 |
| 2017 | 7 | 4 |
| 2018 | 4 | 13 |
| 2019 | 8 | 8 |
| 2020 | 11 | 4 |
| 2021 | 5 | 3 |
| 2022 | 3 | 3 |
| 2023 | 0 | 1 |
| 2024 | 4 | 3 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Recovery and recycling of byproducts of activated aluminum22 Apr 2025US 12,280,367 B2Massachusetts Institute of Technology
- Denitration catalyst regeneration method and denitration catalyst regeneration system29 Oct 2024US 12,128,393 B2Mitsubishi Heavy Industries, Ltd.
- Recovery and recycling of byproducts of activated aluminum16 Apr 2024US 11,958,045 B2Massachusetts Institute of Technology
- Honeycomb bodies with improved skin CTE and isostatic strength and methods of making the same6 Feb 2024US 11,890,609 B2Corning Incorporated
- Method and apparatus for regenerating deactivated denitration catalyst30 Jan 2024US 11,883,812 B2Taiwan Power Company
- Recovery and recycling of byproducts of activated aluminum31 Jul 2025US 2025/0242342 A1Massachusetts Institute of Technology
- Method for Catalyst Recovery from Carbon Nanotubes and Use of Recycled Catalyst for CNT Production thereof3 Jul 2025US 2025/0214075 A1Indian Oil Corporation Limited
- Reactivation of a hydrogenation catalyst23 Jan 2025US 2025/0025867 A1Arkema France
- Preparation of a catalyst for the oxidative esterification of methacrolein to methyl methacrylate, for extending service life24 Oct 2024US 2024/0351972 A1Rohm Co., Ltd.
- Recovery and recycling of byproducts of activated aluminum6 Jun 2024US 2024/0181440 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Method and apparatus for producing carbon nanotubes180US 6,413,487 B1The Board of Regents of the University of Oklahoma · 2002
- Method and apparatus for producing carbon nanotubes79US 6,955,800 B2The Board of Regents of the University of Oklahoma · 2005
- Redispersion of noble metals on supported catalysts61US 4,148,750 AExxon Research & Engineering Co. · 1979
- High efficiency epoxidation process46US 5,912,367 AARCO Chemical Technology, L. P. · 1999
- Process and apparatus for producing single-walled carbon nanotubes46US 6,919,064 B2The Board of Regents of the University of Oklahoma · 2005