C01B 33/124
Preparation of adsorbing porous silica not in gel form and not finely
Official title: {Preparation of adsorbing porous silica not in gel form and not finely divided, i.e. silicon skeletons, by acidic treatment of siliceous materials}
C01B33/124 (Preparation of adsorbing porous silica not in gel form and not finely) appears on 44 US grants and 58 published applications in this corpus.
Search patents in C01B- Granted patents
- 44
- Published applications
- 58
- Assignees
- 43
- Inventors
- 167
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 4 | 3 |
| 2006 | 4 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 5 |
| 2011 | 1 | 2 |
| 2012 | 6 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 4 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Functionalized silica nanorings, methods of making same, and uses thereof11 Aug 2026US 12,703,637 B2Cornell University
- Hydrophobic silica particles, use of same, and method for producing hydrophobic silica particles23 Jun 2026US 12,662,385 B2Agc Si-Tech Co., Ltd.
- Silica hollow sphere with a MOF composite layer and method for preparing the same5 May 2026US 12,617,808 B1Guangdong Longzee Interconnection Technology Co. Ltd.
- Hydrolytic and calcination method for forming hollow silica particles12 Nov 2024US 12,139,411 B2Imam Abdulrahman Bin Faisal University
- Water-based hydrolysis method for forming hollow particles25 Jun 2024US 12,017,922 B2Imam Abdulrahman Bin Faisal University
- Method for controlling the properties of biogenic silica through integrated thermal and oxidative processing17 Sep 2026US 2026/0274687 A1Kilt, LLC
- Unidirectional, interconnected super-micropore silica support5 Feb 2026US 2026/0035253 A1Trustees of Tufts College
- Methods for Producing Hollow Ceramic Spheres13 Feb 2025US 2025/0051171 A1Plassein Technologies Ltd. LLC
- Method for making hollow silica particles30 Jan 2025US 2025/0033983 A1Imam Abdulrahman Bin Faisal University
- Functionalized silica nanorings, methods of making same, and uses thereof16 Jan 2025US 2025/0019249 A1Cornell University
Most cited
By later US patents
- Mesoporous materials and methods50US 7,419,772 B2University of Massachusetts · 2008
- Porous silica granule, method for producing the same, and method for producing synthetic quartz glass powder using the porous silica granule33US 6,849,242 B1Heraeus Quarzglas GmbH & Co.KG · 2005
- Porous silica microsphere scavengers15US 7,128,884 B2Agilent Technologies, Inc. · 2006
- Method of acid leaching of silicates13US 4,367,215 AElkem a/s · 1983
- Method for preparing inorganic porous material12US 6,911,192 B2Japan Science and Technology Agency · 2005