B01J 38/52
Oxygen-containing
Official title: oxygen-containing
B01J38/52 (Oxygen-containing) appears on 83 US grants and 84 published applications in this corpus.
Search patents in B01J- Granted patents
- 83
- Published applications
- 84
- Assignees
- 80
- Inventors
- 289
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 5 |
| 2004 | 2 | 2 |
| 2005 | 4 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 4 | 6 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 5 |
| 2014 | 3 | 2 |
| 2015 | 4 | 4 |
| 2016 | 1 | 4 |
| 2017 | 3 | 2 |
| 2018 | 5 | 7 |
| 2019 | 6 | 6 |
| 2020 | 6 | 6 |
| 2021 | 3 | 1 |
| 2022 | 5 | 7 |
| 2023 | 6 | 1 |
| 2024 | 3 | 2 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for recovering and regenerating a catalyst from ash7 Jul 2026US 12,673,317 B2Avantium Knowledge Centre B.V.
- Meshed catalyst based high-yield preparation and regeneration method for carbon nanotubes and hydrogen16 Dec 2025US 12,497,297 B2Southeast University
- Recyclable catalyst for carbon dioxide capture4 Nov 2025US 12,459,877 B1King Fahd University of Petroleum and Minerals
- Process for recovering and reusing depolymerization catalyst16 Sep 2025US 12,415,179 B29449710 Canada Inc.
- Pretreatment process of resin catalyst for synthesizing bisphenol A26 Aug 2025US 12,397,287 B1Tianjin University
- Lewis acid base pairs as highly active catalytic sites for hydrogenation and dehydrogenation processes2 Jul 2026US 2026/0183748 A1BASF SE
- Alternate injection method for cleaning fixed bed reactor catalyst bed in situ with cleaning solvent30 Apr 2026US 2026/0115708 A1
- Cross-flow filtration of slurry catalyst in a petroleum-based liquid carrier19 Feb 2026US 2026/0048389 A1
- Epoxide compounds, methods of preparations and uses thereof30 Oct 2025US 2025/0333391 A1Zschimmer & Schwarz, Inc.
- Method for Catalyst Recovery from Carbon Nanotubes and Use of Recycled Catalyst for CNT Production thereof3 Jul 2025US 2025/0214075 A1Indian Oil Corporation Limited
Most cited
By later US patents
- Process for improving the effectiveness of process catalyst76US 5,648,305 A1997
- Hydrotreating catalyst: composition, preparation, and use thereof58US 6,280,610 B1Akzo Nobel N. V. · 2001
- Regeneration of used supported noble metal catalysts50US 6,740,615 B2Hydrocarbon Technologies, Inc. · 2004
- Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst41US 6,838,487 B1Rentech, Inc. · 2005
- Regeneration of spent supported metal catalysts23US 6,908,873 B2Headwaters Nanokinetix, Inc. · 2005