B01J 21/14
Silica and magnesia
B01J21/14 (Silica and magnesia) appears on 132 US grants and 79 published applications in this corpus.
Search patents in B01J- Granted patents
- 132
- Published applications
- 79
- Assignees
- 87
- Inventors
- 347
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 3 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 3 | 4 |
| 2008 | 1 | 0 |
| 2009 | 2 | 6 |
| 2010 | 3 | 2 |
| 2011 | 0 | 3 |
| 2012 | 2 | 0 |
| 2013 | 3 | 4 |
| 2014 | 3 | 4 |
| 2015 | 1 | 3 |
| 2016 | 4 | 1 |
| 2017 | 1 | 3 |
| 2018 | 4 | 8 |
| 2019 | 2 | 3 |
| 2020 | 6 | 4 |
| 2021 | 5 | 8 |
| 2022 | 9 | 7 |
| 2023 | 5 | 5 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst for production of carboxylic acid ester, method for producing catalyst for production of carboxylic acid ester, and method for producing carboxylic acid ester18 Aug 2026US 12,708,895 B2Asahi Kasei Kabushiki Kaisha
- Pillar-shaped honeycomb structure and method for manufacturing same10 Feb 2026US 12,544,702 B2NGK Insulators, Ltd.
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems13 Jan 2026US 12,523,169 B2BASF Mobile Emissions Catalysts LLC
- Method for making copper-containing catalysts9 Sep 2025US 12,409,444 B2Johnson Matthey Public Limited Company
- Method for producing hydrocarbon resin hydride4 Mar 2025US 12,240,934 B2Zeon Corporation
- Catalyst for the production of methyl methacrylate16 Jul 2026US 2026/0199880 A1
- Carbon monoxide catalyst and preparation method therefor and use thereof12 Mar 2026US 2026/0070044 A1University of Science and Technology Beijing
- Hydrogen oxidation catalysts for hydrogen-internal combustion engine systems5 Jun 2025US 2025/0179952 A1BASF SE
- Oxygen carrying materials with surface modification for redox-based catalysis and methods of making and uses thereof28 Dec 2023US 2023/0415124 A1
- Method for making copper-containing catalysts7 Sep 2023US 2023/0278015 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Catalytic converter mounting mat89US 5,290,522 AMinnesota Mining and Manufacturing Company · 1994
- Cordierite honeycomb-structural body and a method for producing the same67US 4,869,944 ANGK Insulators, Ltd. · 1989
- Cordierite ceramic65US 4,280,845 ANGK Insulators, Ltd. · 1981
- Production method of thin wall cordierite honeycomb structure62US 5,938,992 ANGK Insulators, Ltd. · 1999
- Catalysts for demetallization treatment of _hydrocarbons supported on sepiolite50US 4,196,102 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1980