C01B 33/166
By acidification of silicate in the presence of an inert organic phase
Official title: {by acidification of silicate in the presence of an inert organic phase}
C01B33/166 (By acidification of silicate in the presence of an inert organic phase) appears on 19 US grants and 15 published applications in this corpus.
Search patents in C01B- Granted patents
- 19
- Published applications
- 15
- Assignees
- 19
- Inventors
- 72
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curable composition containing rice husk ash biosilica toughened epoxy resin30 Jun 2026US 12,668,682 B2Najran University
- Method for producing an aerogel material13 Aug 2024US 12,060,278 B2Evonik Operations GmbH
- Preparation method of SiO2 aerogels28 Mar 2023US 11,613,471 B2
- Silica materials and methods of making thereof29 Nov 2022US 11,512,002 B2University of Virginia Patent Foundation
- Economically viable process for producing organically modified lyo- or aerogels8 Sep 2020US 10,766,779 B2Wacker Chemie AG
- Bio-based curable epoxy composition17 Sep 2026US 2026/0275083 A1Najran University
- Process for producing porous spherical silica gel particles3 Jul 2025US 2025/0214847 A1W. R. Grace & Co.-Conn.
- Curable composition containing rice husk ash biosilica toughened epoxy resin26 Dec 2024US 2024/0425677 A1Najran University
- Preparation Method of SiO2 Aerogels2 Sep 2021US 2021/0269317 A1
- Method for producing an aerogel material11 Feb 2021US 2021/0039954 A1Evonik Operations GmbH
Most cited
By later US patents
- Method of selectively producing high pore volume silica gel29US 3,959,174 AW. R. Grace & Co. · 1976
- Vesiculated silica microspheres22US 4,011,096 AE. I. Du Pont de Nemours and Company · 1977
- Method of preparing loosely aggregated 200-500 millimicron silica16US 4,049,781 AW. R. Grace & Co. · 1977
- Spherical micro-porous silica gel and a production process thereof16US 4,554,211 AToyo Soda Manufacturing Co., Ltd. · 1985
- Method for producing inorganic porous material15US 7,045,106 B2Tokuyama Corporation · 2006