B01J 29/90
Regeneration or reactivation
B01J29/90 (Regeneration or reactivation) appears on 838 US grants and 663 published applications in this corpus.
Search patents in B01J- Granted patents
- 838
- Published applications
- 663
- Assignees
- 247
- Inventors
- 1,704
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 30 | 0 |
| 1982 | 25 | 0 |
| 1983 | 15 | 0 |
| 1984 | 28 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 21 | 0 |
| 1988 | 12 | 0 |
| 1989 | 17 | 0 |
| 1990 | 19 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 15 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 12 | 8 |
| 2003 | 6 | 22 |
| 2004 | 13 | 23 |
| 2005 | 11 | 16 |
| 2006 | 16 | 23 |
| 2007 | 15 | 22 |
| 2008 | 15 | 19 |
| 2009 | 14 | 15 |
| 2010 | 18 | 44 |
| 2011 | 18 | 38 |
| 2012 | 25 | 34 |
| 2013 | 24 | 49 |
| 2014 | 37 | 45 |
| 2015 | 32 | 36 |
| 2016 | 32 | 47 |
| 2017 | 33 | 34 |
| 2018 | 35 | 35 |
| 2019 | 36 | 21 |
| 2020 | 24 | 27 |
| 2021 | 24 | 16 |
| 2022 | 20 | 19 |
| 2023 | 12 | 26 |
| 2024 | 16 | 24 |
| 2025 | 14 | 14 |
| 2026 | 10 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and catalyst for converting natural gasoline to light olefins8 Sep 2026US 12,729,345 B2King Fahd University of Petroleum and Minerals
- Method for preparing ethylene propylene30 Jun 2026US 12,668,555 B2China Petroleum & Chemical Corporation
- Preparation method and apparatus for methyl methacrylate16 Jun 2026US 12,655,085 B2Zhejiang Nhu Company Ltd.
- Process and a system for enhancing the yield of light olefins2 Jun 2026US 12,643,839 B2Indian Oil Corporation Limited
- Process for regenerating catalyst from a fluidized catalytic process at high pressure12 May 2026US 12,624,296 B2Uop LLC
- Deep dechlorination of plastic derived oil using spray dried mixed metal oxide catalyst30 Jul 2026US 2026/0218062 A1Saudi Arabian Oil Company
- Processes and catalysts for linear alpha-olefin purification28 May 2026US 2026/0146012 A1Sabic Global Technologies B.V.
- Process for obtaining hydrocarbons, and associated plant14 May 2026US 2026/0132094 A1Totalenergies Onetech
- Process and installation for catalytically converting plastic materials into pyrolytic oils23 Apr 2026US 2026/0109902 A1Valoregen SAS
- Metal-containing mor-type zeolites for capture of carbon dioxide from low-co2 content sources and methods of using the same1 Jan 2026US 2026/0001065 A1California Institute of Technology
Most cited
By later US patents
- Chemical conversion process107US 4,861,938 AUop LLC · 1989
- Production of aromatics from methane82US 7,589,246 B2ExxonMobil Chemical Patents Inc. · 2009
- Process for producing polymer grade olefins78US 5,914,433 AUop Lll · 1999
- Conversion of plastics to olefin and aromatic products with product recycle75US 9,428,695 B2Saudi Basic Industries Corporation · 2016
- Production of aromatics from methane66US 8,552,236 B2ExxonMobil Chemical Patents Inc. · 2013