B01J 38/68
Including substantial dissolution or chemical precipitation of a catalyst component in the
Official title: including substantial dissolution or chemical precipitation of a catalyst component in the ultimate reconstitution of the catalyst
B01J38/68 (Including substantial dissolution or chemical precipitation of a catalyst component in the) appears on 83 US grants and 78 published applications in this corpus.
Search patents in B01J- Granted patents
- 83
- Published applications
- 78
- Assignees
- 81
- Inventors
- 290
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 4 |
| 2004 | 3 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 3 |
| 2007 | 3 | 2 |
| 2008 | 0 | 10 |
| 2009 | 4 | 2 |
| 2010 | 7 | 1 |
| 2011 | 3 | 2 |
| 2012 | 2 | 6 |
| 2013 | 4 | 3 |
| 2014 | 3 | 4 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 4 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 0 |
| 2021 | 3 | 3 |
| 2022 | 0 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generation of ammonia/hydrogen mixtures and/or hydrogen-enriched fuel mixtures20 Jan 2026US 12,528,697 B1Colorado School of Mines
- Regenerated denitration catalyst and method for manufacturing the same, and denitration apparatus30 Sep 2025US 12,427,509 B2Mitsubishi Heavy Industries, Ltd.
- Recovery and recycling of byproducts of activated aluminum22 Apr 2025US 12,280,367 B2Massachusetts Institute of Technology
- Recovery and recycling of byproducts of activated aluminum16 Apr 2024US 11,958,045 B2Massachusetts Institute of Technology
- Method and apparatus for regenerating deactivated denitration catalyst30 Jan 2024US 11,883,812 B2Taiwan Power Company
- Catalytic graphitization of fuel-grade petroleum coke9 Apr 2026US 2026/0097965 A1The Texas A&M University System
- Reactor systems and processes for light hydrocarbon catalytic cracking to produce high value hydrogen and solid carbon5 Mar 2026US 2026/0062288 A1
- Reactor systems and processes for light hydrocarbon catalytic cracking to produce high value hydrogen and solid carbon5 Mar 2026US 2026/0062299 A1
- Recycling of polymer membranes comprising metal-containing catalyst material4 Dec 2025US 2025/0369141 A1Siemens Energy Global GmbH & Co. KG
- Recovery and recycling of byproducts of activated aluminum31 Jul 2025US 2025/0242342 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Process for regenerating catalysts60US 6,239,054 B1Shell Oil Company · 2001
- High activity catalysts having a bimodal mesopore structure57US 6,015,485 ACytec Technology Corp. · 2000
- Regeneration of used supported noble metal catalysts50US 6,740,615 B2Hydrocarbon Technologies, Inc. · 2004
- NOx conversion catalyst rejuvenation process45US 6,482,762 B1Atlantic Richfield Company · 2002
- Fixed bed hydroprocessing methods and systems and methods for upgrading an existing fixed bed system44US 7,517,446 B2Headwaters Heavy Oil, LLC · 2009