C01B 33/126
Preparation of silica of undetermined type
Official title: {Preparation of silica of undetermined type}
C01B33/126 (Preparation of silica of undetermined type) appears on 225 US grants and 283 published applications in this corpus.
Search patents in C01B- Granted patents
- 225
- Published applications
- 283
- Assignees
- 198
- Inventors
- 662
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 4 | 15 |
| 2004 | 9 | 7 |
| 2005 | 9 | 10 |
| 2006 | 6 | 6 |
| 2007 | 2 | 4 |
| 2008 | 2 | 3 |
| 2009 | 5 | 3 |
| 2010 | 4 | 13 |
| 2011 | 6 | 6 |
| 2012 | 3 | 3 |
| 2013 | 3 | 7 |
| 2014 | 6 | 13 |
| 2015 | 5 | 28 |
| 2016 | 17 | 17 |
| 2017 | 11 | 20 |
| 2018 | 15 | 14 |
| 2019 | 14 | 10 |
| 2020 | 4 | 8 |
| 2021 | 8 | 19 |
| 2022 | 8 | 19 |
| 2023 | 15 | 17 |
| 2024 | 3 | 9 |
| 2025 | 15 | 13 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mesoporous silica manufactured in the presence of water-soluble ODSO21 Apr 2026US 12,606,447 B2Saudi Arabian Oil Company
- Process for recovering materials from bauxite residue, microwave reactor for heating mining products and method for heating a mining product7 Apr 2026US 12,595,185 B2New Wave Royalties Sociedad Anonima
- Process for producing alumina and a lithium salt17 Mar 2026US 12,577,115 B2Tianqi Lithium Kwinana Pty Ltd
- Expandable silica particles and methods for making and using the same17 Mar 2026US 12,577,150 B2Valunor AG
- Electroactive materials for metal-ion batteries27 Jan 2026US 12,537,193 B2Nexeon Limited
- Lime and hydraulic cement manufacture by electrolysis using hyaloclastite or lava, carbon mineralization by hyaloclastite or lava electrolysis and method of making and using same8 Oct 2026US 2026/0308006 A1Greencraft LLC
- Process for base-catalyzed reaction of silicones with hydrothermal or supercritical water1 Oct 2026US 2026/0295547 A1Wacker Chemie AG
- Method for producing cation-modified silica and cation-modified silica dispersion liquid1 Oct 2026US 2026/0296901 A1
- Production of Metal Carbonate Soil Amendment from Calcium Slag Silicate20 Aug 2026US 2026/0242303 A1Sabic Agri-Nutrients Company
- Process for manufacturing oxides13 Aug 2026US 2026/0234016 A1Evonik Operations GmbH
Most cited
By later US patents
- High modulus, low dielectric constant coatings575US 6,576,300 B1Axcelis Technologies, Inc. · 2003
- Plasma curing of MSQ-based porous low-k film materials567US 6,759,098 B2Axcelis Technologies, Inc. · 2004
- Plasma curing process for porous silica thin film556US 6,558,755 B2Axcelis Technologies, Inc. · 2003
- Plasma curing process for porous low-k materials529US 6,913,796 B2Axcelis Technologies, Inc. · 2005
- Precursors and flowable CVD methods for making low-K films to fill surface features394US 10,468,244 B2Versum Materials US, LLC · 2019