B01J 38/00
Regeneration or reactivation of catalysts, in general
B01J38/00 (Regeneration or reactivation of catalysts, in general) appears on 1,986 US grants and 1,905 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,986
- Published applications
- 1,905
- Assignees
- 802
- Inventors
- 4,950
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 20 | 0 |
| 1988 | 16 | 0 |
| 1989 | 27 | 0 |
| 1990 | 36 | 0 |
| 1991 | 32 | 0 |
| 1992 | 38 | 0 |
| 1993 | 43 | 0 |
| 1994 | 34 | 0 |
| 1995 | 26 | 0 |
| 1996 | 19 | 0 |
| 1997 | 24 | 0 |
| 1998 | 59 | 0 |
| 1999 | 39 | 0 |
| 2000 | 43 | 0 |
| 2001 | 27 | 18 |
| 2002 | 34 | 29 |
| 2003 | 25 | 49 |
| 2004 | 43 | 53 |
| 2005 | 39 | 45 |
| 2006 | 32 | 46 |
| 2007 | 33 | 56 |
| 2008 | 28 | 53 |
| 2009 | 36 | 63 |
| 2010 | 60 | 92 |
| 2011 | 44 | 78 |
| 2012 | 37 | 69 |
| 2013 | 57 | 81 |
| 2014 | 95 | 106 |
| 2015 | 76 | 99 |
| 2016 | 79 | 110 |
| 2017 | 78 | 97 |
| 2018 | 92 | 108 |
| 2019 | 93 | 93 |
| 2020 | 87 | 82 |
| 2021 | 78 | 78 |
| 2022 | 71 | 101 |
| 2023 | 58 | 78 |
| 2024 | 61 | 85 |
| 2025 | 56 | 78 |
| 2026 | 44 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Downflow lipid conversion with upflow catalyst regeneration6 Oct 2026US 12,753,348 B2Chevron U.S.A.Inc.
- Repurposing fluidized catalytic cracking (FCC) systems to generate renewable fuel intermediate compositions6 Oct 2026US 12,753,350 B2Chevron U.S.A.Inc.
- Catalyst compositions and processes for making and using same29 Sep 2026US 12,747,399 B2ExxonMobil Chemical Patents Inc.
- Decarbonized olefins production using process intensification22 Sep 2026US 12,741,270 B2Exelus, Inc.
- Dual reactor system for simultaneous decontamination and cracking of plastic derived oil to circular chemicals22 Sep 2026US 12,742,125 B2Saudi Arabian Oil Company
- Coral-reef-like bifunctional catalyst for biomass gasification to produce green hydrogen with simultaneous decarbonization, and preparation method and application thereof8 Oct 2026US 2026/0307057 A1Southeast University
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons8 Oct 2026US 2026/0308462 A1Chevron U.S.A.Inc.
- Methods for making light olefins by dehydrogenation using catalysts that include manganese17 Sep 2026US 2026/0274771 A1Dow Global Technologies LLC
- Methods for Releasing at Least a Portion of a Halide From a Surface10 Sep 2026US 2026/0264070 A1
- Photocatalytic gate especially for air and surface disinfection3 Sep 2026US 2026/0256976 A1
Most cited
By later US patents
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981
- Method and apparatus for producing carbon nanotubes180US 6,413,487 B1The Board of Regents of the University of Oklahoma · 2002
- FCC process with combined regenerator stripper and catalyst blending82US 5,858,207 AUop LLC · 1999
- Production of aromatics from methane82US 7,589,246 B2ExxonMobil Chemical Patents Inc. · 2009
- Process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbons81US 6,210,562 B1China Petrochemical Corporation · 2001