B01J 38/60
Using acids
Official title: using acids
B01J38/60 (Using acids) appears on 172 US grants and 153 published applications in this corpus.
Search patents in B01J- Granted patents
- 172
- Published applications
- 153
- Assignees
- 125
- Inventors
- 465
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 4 |
| 2002 | 7 | 6 |
| 2003 | 5 | 12 |
| 2004 | 8 | 3 |
| 2005 | 5 | 4 |
| 2006 | 1 | 5 |
| 2007 | 3 | 5 |
| 2008 | 3 | 5 |
| 2009 | 6 | 6 |
| 2010 | 3 | 3 |
| 2011 | 3 | 6 |
| 2012 | 2 | 7 |
| 2013 | 4 | 6 |
| 2014 | 7 | 11 |
| 2015 | 8 | 11 |
| 2016 | 10 | 8 |
| 2017 | 8 | 4 |
| 2018 | 4 | 5 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 5 | 3 |
| 2022 | 6 | 11 |
| 2023 | 6 | 6 |
| 2024 | 6 | 7 |
| 2025 | 1 | 3 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for recovering and regenerating a catalyst from ash7 Jul 2026US 12,673,317 B2Avantium Knowledge Centre B.V.
- Method of remanufacturing spent catalyst for heavy oil desulfurization19 May 2026US 12,629,668 B2Hanseo University Academic Cooperation Foundation
- Method for rejuvenating a catalyst from a hydroprocessing and/or hydrocracking process19 May 2026US 12,629,669 B2Ifp Energies Nouvelles
- Regenerating the catalytic activity of a spent catalyst6 Jan 2026US 12,515,210 B2Topsoe A/S
- System and method of producing carbon nanotubes7 Jan 2025US 12,187,613 B2Nanocomp Technologies, Inc.
- Continuous reactors of formate-bicarbonate cycle for hydrogen storage and release16 Jul 2026US 2026/0200726 A1Hydro X Ltd
- Process for regeneration of an epoxidation reactor16 Jul 2026US 2026/0201277 A1BASF SE
- Alternate injection method for cleaning fixed bed reactor catalyst bed in situ with cleaning solvent30 Apr 2026US 2026/0115708 A1
- Process for Preparing Hydrotreating Catalyst12 Mar 2026US 2026/0070046 A1Ketjen Netherlands B.V.
- Reactor systems and processes for light hydrocarbon catalytic cracking to produce high value hydrogen and solid carbon5 Mar 2026US 2026/0062288 A1
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
- Regeneration of used supported noble metal catalysts50US 6,740,615 B2Hydrocarbon Technologies, Inc. · 2004
- Process and apparatus for producing single-walled carbon nanotubes46US 6,919,064 B2The Board of Regents of the University of Oklahoma · 2005
- NOx conversion catalyst rejuvenation process45US 6,482,762 B1Atlantic Richfield Company · 2002