B01J 25/04
Regeneration or reactivation
B01J25/04 (Regeneration or reactivation) appears on 23 US grants and 14 published applications in this corpus.
Search patents in B01J- Granted patents
- 23
- Published applications
- 14
- Assignees
- 17
- Inventors
- 60
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 5 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 4 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Regenerating the catalytic activity of a spent catalyst6 Jan 2026US 12,515,210 B2Topsoe A/S
- Magnetic separation and recycle of catalyst components in a bio-mass to glycols process31 Dec 2019US 10,519,086 B2Shell Oil Company
- Multiphase low mixing processes5 Feb 2019US 10,196,333 B2Archer Daniels Midland Company
- Regeneration of catalyst for hydrogenation of sugars27 Jun 2017US 9,687,839 B2Archer Daniels Midland Company
- Process for the production of hexamethlenediamine20 Sep 2016US 9,446,373 B2Radici Chimica S.p.A.
- Regenerating the catalytic activity of a spent catalyst6 Jul 2023US 2023/0211333 A1Topsoe A/S
- Magnetic separation and recycle of catalyst components in a bio-mass to glycols process20 Jun 2019US 2019/0185398 A1Shell Oil Company
- Regeneration of catalyst for hydrogenation of sugars17 Nov 2016US 2016/0332154 A1Archer Daniels Midland Company
- Regeneration of catalyst for hydrogenation of sugars17 Dec 2015US 2015/0360219 A1Archer Daniels Midland Company
- Multiphase low mixing processes10 Sep 2015US 2015/0251980 A1Archer Daniels Midland Company
Most cited
By later US patents
- Process for sulfur removal from hydrocarbon liquids16US 6,558,533 B2W. R. Grace & Co.-Conn. · 2003
- Fischer-tropsch process16US 6,642,281 B1ExxonMobil Research and Engineering Company · 2003
- Method for regenerating a hydrogenation catalyst, method for hydrogenating compounds comprising nitrile functions15US 6,518,449 B1Rhodia Fiber & Resin Intermediates · 2003
- Nickel recovery process11US 5,238,663 AMerck Patent GmbH · 1993
- Process for recovering suspended metal catalyst from their suspension9US 4,021,367 ABudapesti Muszaki Egyetem · 1977