B01J 21/12
Silica and alumina
B01J21/12 (Silica and alumina) appears on 1,010 US grants and 985 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,010
- Published applications
- 985
- Assignees
- 466
- Inventors
- 2,476
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 15 | 0 |
| 1981 | 19 | 0 |
| 1982 | 7 | 0 |
| 1983 | 13 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 19 | 0 |
| 1992 | 13 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 14 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 13 |
| 2003 | 16 | 32 |
| 2004 | 11 | 36 |
| 2005 | 19 | 30 |
| 2006 | 17 | 31 |
| 2007 | 20 | 29 |
| 2008 | 14 | 16 |
| 2009 | 16 | 39 |
| 2010 | 15 | 38 |
| 2011 | 23 | 39 |
| 2012 | 28 | 46 |
| 2013 | 37 | 37 |
| 2014 | 33 | 42 |
| 2015 | 32 | 48 |
| 2016 | 35 | 28 |
| 2017 | 34 | 52 |
| 2018 | 38 | 56 |
| 2019 | 57 | 64 |
| 2020 | 54 | 50 |
| 2021 | 51 | 43 |
| 2022 | 36 | 47 |
| 2023 | 38 | 61 |
| 2024 | 37 | 45 |
| 2025 | 30 | 39 |
| 2026 | 34 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of preparing a hydrocracking catalyst29 Sep 2026US 12,746,535 B2Shell USA, Inc.
- Catalyst medium comprising hollow microspheres22 Sep 2026US 12,741,267 B2Axens
- Carbon dioxide processing agent and method for producing same22 Sep 2026US 12,741,272 B2Eau De Merus Co., Ltd.
- Converting natural gas to dimethyl ether8 Sep 2026US 12,729,174 B2Saudi Arabian Oil Company
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Reactor system and method thereof for degassing sulfur1 Oct 2026US 2026/0296887 A1Fluor Technologies Corporation
- Copper silicate-based catalyst and manufacturing method therefor10 Sep 2026US 2026/0264060 A1LG Chem.Ltd.
- Process for converting oxygenates to distillate fuels10 Sep 2026US 2026/0265163 A1Uop LLC
- Coating solution for preparation of reforming catalyst to which insulation support is applied, and reforming catalyst preparation method13 Aug 2026US 2026/0233200 A1Joong-Il Materials Inc.
- Catalysts suitable for hydrocracking30 Jul 2026US 2026/0216714 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Organometal catalyst compositions329US 6,355,594 B1Phillips Petroleum Company · 2002
- Compositions that can produce polymers252US 7,601,665 B2Chevron Phillips Chemical Company LP · 2009
- Polymerization catalysts for producing high melt index polymers without the use of hydrogen221US 7,026,494 B1Chevron Phillips Chemical Company LP · 2006
- Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same146US 9,023,959 B2Chevron Phillips Chemical Company LP · 2015