B01J 21/06
Silicon, titanium, zirconium or hafnium
Official title: Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
B01J21/06 (Silicon, titanium, zirconium or hafnium) appears on 4,333 US grants and 5,227 published applications in this corpus.
Search patents in B01J- Granted patents
- 4,333
- Published applications
- 5,227
- Assignees
- 2,039
- Inventors
- 12,263
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 26 | 0 |
| 1978 | 15 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 17 | 0 |
| 1982 | 14 | 0 |
| 1983 | 24 | 0 |
| 1984 | 26 | 0 |
| 1985 | 16 | 0 |
| 1986 | 25 | 0 |
| 1987 | 24 | 0 |
| 1988 | 12 | 0 |
| 1989 | 21 | 0 |
| 1990 | 28 | 0 |
| 1991 | 24 | 0 |
| 1992 | 44 | 0 |
| 1993 | 43 | 0 |
| 1994 | 31 | 0 |
| 1995 | 34 | 0 |
| 1996 | 21 | 0 |
| 1997 | 28 | 0 |
| 1998 | 45 | 0 |
| 1999 | 36 | 0 |
| 2000 | 64 | 0 |
| 2001 | 80 | 22 |
| 2002 | 73 | 71 |
| 2003 | 87 | 132 |
| 2004 | 80 | 136 |
| 2005 | 68 | 150 |
| 2006 | 66 | 127 |
| 2007 | 52 | 140 |
| 2008 | 73 | 135 |
| 2009 | 92 | 181 |
| 2010 | 107 | 215 |
| 2011 | 107 | 225 |
| 2012 | 105 | 253 |
| 2013 | 149 | 202 |
| 2014 | 178 | 215 |
| 2015 | 181 | 240 |
| 2016 | 192 | 215 |
| 2017 | 187 | 205 |
| 2018 | 192 | 276 |
| 2019 | 208 | 284 |
| 2020 | 220 | 279 |
| 2021 | 231 | 318 |
| 2022 | 215 | 330 |
| 2023 | 217 | 295 |
| 2024 | 212 | 239 |
| 2025 | 186 | 203 |
| 2026 | 124 | 139 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst compositions and processes for making and using same6 Oct 2026US 12,752,258 B2ExxonMobil Chemical Patents Inc.
- Method of producing nanostructured iron-based catalysts for converting syngas to light olefins6 Oct 2026US 12,752,262 B2Agency for Science, Technology and Research
- Heterogeneous catalyst for transesterification and method of preparing same6 Oct 2026US RE51,051 E1Crystaphase Products, Inc.
- Photocatalytic and photo(electro)catalytic approaches for viral decontamination22 Sep 2026US 12,741,049 B2Nevada Research & Innovation Corporation
- Catalyst medium comprising hollow microspheres22 Sep 2026US 12,741,267 B2Axens
- Copper silicate-based catalyst and preparation method therefor8 Oct 2026US 2026/0307055 A1LG Chem.Ltd.
- Highly dispersed metal carbonate catalysts8 Oct 2026US 2026/0307063 A1BASF SE
- Method for nitrilation reaction of acrylic acid ester8 Oct 2026US 2026/0308117 A1Hyundai Motor Company
- Self-healing surface coating systems for passive pollutant degradation1 Oct 2026US 2026/0295562 A1
- Resin member1 Oct 2026US 2026/0295563 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Compositions that can produce polymers334US 6,300,271 B1Phillips Petroleum Company · 2001
- Titania-alumina supported palladium catalyst316US 8,507,720 B2Lyondell Chemical Technology, L,P. · 2013
- Compositions that can produce polymers252US 7,601,665 B2Chevron Phillips Chemical Company LP · 2009
- Direct and selective production of ethanol from acetic acid utilizing a platinum/tin catalyst166US 7,863,489 B2Celanese International Corporation · 2011
- Catalytic process for degradation of organic materials in aqueous and organic fluids to produce environmentally compatible products125US 4,861,484 ASynlize, Inc. · 1989