B01J 33/00
Protection of catalysts
Official title: Protection of catalysts, e.g. by coating
B01J33/00 (Protection of catalysts) appears on 310 US grants and 304 published applications in this corpus.
Search patents in B01J- Granted patents
- 310
- Published applications
- 304
- Assignees
- 244
- Inventors
- 952
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 4 |
| 2002 | 6 | 7 |
| 2003 | 5 | 13 |
| 2004 | 5 | 12 |
| 2005 | 7 | 15 |
| 2006 | 6 | 9 |
| 2007 | 6 | 12 |
| 2008 | 9 | 8 |
| 2009 | 13 | 12 |
| 2010 | 8 | 13 |
| 2011 | 2 | 8 |
| 2012 | 10 | 15 |
| 2013 | 9 | 14 |
| 2014 | 13 | 13 |
| 2015 | 6 | 14 |
| 2016 | 20 | 20 |
| 2017 | 20 | 18 |
| 2018 | 9 | 11 |
| 2019 | 17 | 17 |
| 2020 | 19 | 11 |
| 2021 | 12 | 7 |
| 2022 | 3 | 11 |
| 2023 | 5 | 15 |
| 2024 | 6 | 6 |
| 2025 | 6 | 8 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing a Fischer-Tropsch synthesis catalyst and Fischer-Tropsch start-up process4 Aug 2026US 12,697,605 B2Bp P.L.C.
- Fluorocarbon/palladium/magnesium-scandium hydrogen-chromic film and preparation method thereof24 Mar 2026US 12,584,209 B2Shanghai Jiao Tong University
- Catalyst support materials, catalyst supports, catalysts and reaction methods using catalysts17 Mar 2026US 12,576,391 B2Nexceris Innovation Holdings, LLC
- Exhaust gas purification catalyst17 Feb 2026US 12,551,877 B2Mitsui Kinzoku Company, Limited
- Alkane dehydrogenation catalyst and methods of converting alkanes to alkenes3 Feb 2026US 12,540,108 B2Forge Nano, Inc.
- Molded catalyst and manufacturing method therefor20 Aug 2026US 2026/0241376 A1Korea Research Institute of Chemical Technology
- Method of passivating a fischer-tropsch catalyst20 Aug 2026US 2026/0241377 A1Johnson Matthey Davy Technologies Limited
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization30 Jul 2026US 2026/0217873 A1Chevron Phillips Chemical Company LP
- Fischer-tropsch catalyst passivation and activation16 Jul 2026US 2026/0199881 A1Bp P.L.C.
- Alkane Dehydrogenation Catalyst and Methods of Converting Alkanes to Alkenes16 Jul 2026US 2026/0200817 A1Forge Nano, Inc.
Most cited
By later US patents
- Composite nanoparticle materials and method of making the same118US 7,052,777 B2Nanophase Technologies Corporation · 2006
- Colloidal size hydrophobic polymers particulate having discrete particles of an inorganic material dispersed therein112US 4,421,660 AThe Dow Chemical Company · 1983
- Protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity105US 4,297,150 AThe British Petroleum Company p.l.c. · 1981
- Semipermeable microcapsules containing a silica gel77US 3,954,678 AE. I. Du Pont de Nemours and Company · 1976
- Method and device for cleaning the atmosphere67US 6,190,627 B1Engelhard Corporation · 2001