B01J 38/20
Plural distinct oxidation stages
B01J38/20 (Plural distinct oxidation stages) appears on 62 US grants and 56 published applications in this corpus.
Search patents in B01J- Granted patents
- 62
- Published applications
- 56
- Assignees
- 52
- Inventors
- 185
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 4 |
| 2002 | 3 | 5 |
| 2003 | 2 | 1 |
| 2004 | 4 | 3 |
| 2005 | 0 | 1 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 4 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 4 | 4 |
| 2014 | 8 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 1 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Regeneration and activation of catalysts for carbon and syngas production29 Oct 2024US 12,128,388 B2Qatar Foundation for Education, Science and Community Development
- Nickel-cobalt-based catalysts for CO and NO oxidation; their activation30 Jan 2024US 11,883,799 B2The Univeristy of Newcastle Upon Tyne
- Catalyst structure and method of upgrading hydrocarbons in the presence of the catalyst structure5 Dec 2023US 11,833,492 B2Kara Technologies Inc.
- Catalyst structure and method of upgrading hydrocarbons in the presence of the catalyst structure19 Jul 2022US 11,389,787 B2Kara Technologies Inc.
- Method to recover spent hydroprocessing catalyst activity19 Jul 2022US 11,389,790 B2Saudi Arabian Oil Company
- Methods for forming light olefins with catalyst recycle9 Jul 2026US 2026/0193157 A1Dow Global Technologies LLC
- Methods for forming dehydrogenated products utilizing combustion bypass of some catalyst25 Jun 2026US 2026/0176220 A1Dow Global Technologies LLC
- Method and system for regenerating a catalytic cracking catalyst using a biomass charcoal fuel20 Nov 2025US 2025/0352993 A1China Petroleum & Chemical Corporation
- Catalytic cracking catalyst regeneration method and system adopting bio-based liquid phase fuel25 Sep 2025US 2025/0296075 A1China Petroleum & Chemical Corporation
- Full recovery processes for carbon dioxide discharged from catalytic cracking regeneration devices1 Aug 2024US 2024/0253028 A1Shanghai Yuanhan Energy & Chemical Technology Co., Ltd.
Most cited
By later US patents
- Method for regenerating a zeolitic catalyst52US 6,380,119 B1BASF SE · 2002
- Processes for the continuous regeneration of a catalyst38US 9,138,738 B1Uop LLC · 2015
- Process for minimizing afterburn in a FCC regenerator37US 6,776,607 B2ExxonMobil Research and Engineering Company · 2004
- Process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming30US 5,034,117 AInstitut Francais du Petrole · 1991
- Method for regenerating a zeolitic catalyst30US 6,710,002 B2BASF SE · 2004