B01J 38/48
Liquid treating or treating in liquid phase
Official title: Liquid treating or treating in liquid phase, e.g. dissolved or suspended
B01J38/48 (Liquid treating or treating in liquid phase) appears on 689 US grants and 587 published applications in this corpus.
Search patents in B01J- Granted patents
- 689
- Published applications
- 587
- Assignees
- 388
- Inventors
- 1,790
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 20 | 0 |
| 1993 | 21 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 18 | 0 |
| 1999 | 18 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 10 |
| 2002 | 15 | 11 |
| 2003 | 13 | 28 |
| 2004 | 19 | 16 |
| 2005 | 17 | 16 |
| 2006 | 10 | 19 |
| 2007 | 9 | 20 |
| 2008 | 9 | 29 |
| 2009 | 16 | 29 |
| 2010 | 30 | 29 |
| 2011 | 14 | 24 |
| 2012 | 14 | 19 |
| 2013 | 16 | 26 |
| 2014 | 25 | 25 |
| 2015 | 26 | 32 |
| 2016 | 29 | 30 |
| 2017 | 20 | 21 |
| 2018 | 25 | 32 |
| 2019 | 28 | 27 |
| 2020 | 26 | 24 |
| 2021 | 21 | 22 |
| 2022 | 24 | 28 |
| 2023 | 20 | 20 |
| 2024 | 16 | 18 |
| 2025 | 16 | 15 |
| 2026 | 8 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 38/50Using organic liquids249
- B01J 38/60Using acids172
- B01J 38/64Using alkaline material144
- B01J 38/68Including substantial dissolution or chemical precipitation of a catalyst component in the83
- B01J 38/485Impregnating or reimpregnating with, or deposition of metal compounds or catalytically active80
- B01J 38/70Wet oxidation of material submerged in liquid30
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
- Method for reactivating a precious metal iron catalyst and performing a chemical reaction14 Apr 2026US 12,600,695 B2Dow Global Technologies LLC
- Catalyst decontamination process24 Mar 2026US 12,582,978 B2Praxair Technology, Inc.
- Methods of using and preparing metal sulfide catalyst27 Aug 2026US 2026/0250126 A1King Abdullah University of Science and Technology
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
- Regeneration of a nickel containing olefin oligomerization catalyst23 Jul 2026US 2026/0208180 A1BASF SE
- Method for producing diamine containing cyclohexane ring23 Jul 2026US 2026/0209168 A1Mitsubishi Gas Chemical Company, Inc.
- Continuous reactors of formate-bicarbonate cycle for hydrogen storage and release16 Jul 2026US 2026/0200726 A1Hydro X Ltd
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
- Process for improving the effectiveness of process catalyst76US 5,648,305 A1997
- External catalyst rejuvenation system for the hydrocarbon synthesis process64US 5,260,239 AExxon Research & Engineering Co. · 1993
- Redispersion of noble metals on supported catalysts61US 4,148,750 AExxon Research & Engineering Co. · 1979