B01J 38/72
Including segregation of diverse particles
Official title: including segregation of diverse particles
B01J38/72 (Including segregation of diverse particles) appears on 50 US grants and 60 published applications in this corpus.
Search patents in B01J- Granted patents
- 50
- Published applications
- 60
- Assignees
- 39
- Inventors
- 198
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 0 | 1 |
| 2013 | 4 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 4 |
| 2016 | 3 | 5 |
| 2017 | 1 | 5 |
| 2018 | 4 | 7 |
| 2019 | 6 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alternating fixed and fluidized bed reactor systems and processes2 Sep 2025US 12,404,171 B2Chevron U.S.A.Inc.
- Systems and methods for segregating into dual waste streams oxidizable catalyst material from inert support media4 Feb 2025US 12,214,342 B2The Maitland Company
- On-site systems and methods for treating spent oxidizable catalyst in inert gas environments2 Jul 2024US 12,023,662 B2The Maitland Company
- Catalyst separation process23 Jan 2024US 11,878,296 B2Dow Global Technologies LLC
- Method and apparatus for treating, sorting and recycling oil-containing discharged catalyst3 Oct 2023US 11,772,091 B2Shanghai Huachang Environmental Protection Co., Ltd.
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
- Recycling of polymer membranes comprising metal-containing catalyst material4 Dec 2025US 2025/0369141 A1Siemens Energy Global GmbH & Co. KG
- Systems and methods for segregating into dual waste streams oxidizable catalyst material from inert support media28 Aug 2025US 2025/0269365 A1The Maitland Company
- Method for recovering a metal containing homogeneous catalyst using solid adsorbents15 Feb 2024US 2024/0050934 A1Suez Groupe
- Alternating fixed and fluidized bed reactor systems and processes7 Sep 2023US 2023/0278859 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Regeneration of used supported noble metal catalysts50US 6,740,615 B2Hydrocarbon Technologies, Inc. · 2004
- Separation of active catalyst particles from spent catalyst particles by air elutriation28US 5,209,840 ATexaco Inc. · 1993
- Regeneration of spent supported metal catalysts23US 6,908,873 B2Headwaters Nanokinetix, Inc. · 2005
- Char methanation catalyst and its use in gasification processes20US 8,502,007 B2Greatpoint Energy, Inc. · 2013
- Production of improved catalyst-type particles using length and density grading19US 4,720,473 ACRI International, Inc. · 1988