C01B 33/142
By acidic treatment of silicates
Official title: by acidic treatment of silicates
C01B33/142 (By acidic treatment of silicates) appears on 106 US grants and 118 published applications in this corpus.
Search patents in C01B- Granted patents
- 106
- Published applications
- 118
- Assignees
- 75
- Inventors
- 283
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 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 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 2 |
| 2003 | 2 | 5 |
| 2004 | 2 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 4 |
| 2007 | 1 | 7 |
| 2008 | 0 | 2 |
| 2009 | 3 | 7 |
| 2010 | 5 | 6 |
| 2011 | 5 | 6 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 5 | 6 |
| 2015 | 2 | 6 |
| 2016 | 5 | 7 |
| 2017 | 6 | 2 |
| 2018 | 6 | 4 |
| 2019 | 5 | 4 |
| 2020 | 4 | 5 |
| 2021 | 2 | 5 |
| 2022 | 3 | 8 |
| 2023 | 2 | 6 |
| 2024 | 8 | 3 |
| 2025 | 5 | 9 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sol application methods12 May 2026US 12,623,197 B2Green Sol-Gel Ltd.
- Mesoporous silica manufactured in the presence of water-soluble ODSO21 Apr 2026US 12,606,447 B2Saudi Arabian Oil Company
- Hollow particle, method of producing the hollow particle, resin composition, and resin molded product and laminate each using the resin composition10 Mar 2026US 12,570,534 B2SETOLAS Holdings, Inc.
- Aerogel composite25 Nov 2025US 12,479,734 B2LG Chem.Ltd.
- Topical compositions incorporating silica fibers14 Oct 2025US 12,440,503 B2American Nano, LLC
- Method for preparing silica aerogel blanket17 Sep 2026US 2026/0274689 A1LG Chem.Ltd.
- Batch Process For Silica Generation16 Apr 2026US 2026/0103386 A1
- Stabilised silicic acid solutions5 Feb 2026US 2026/0034169 A1Barlaa B.V.
- Aerogel Composite5 Feb 2026US 2026/0035254 A1LG Chem.Ltd.
- Method for producing hydrophobic silica aerogel blanket, and silica aerogel blanket4 Dec 2025US 2025/0368518 A1LG Chem.Ltd.
Most cited
By later US patents
- Polysilicate microgels as retention/drainage aids in papermaking126US 4,954,220 AE. I. Du Pont de Nemours and Company · 1990
- Low sodium, low metals silica polishing slurries118US 5,230,833 ANalco Chemical Company · 1993
- Silica sols and use of the sols57US 5,603,805 AEka Nobel AB · 1997
- Method for preparing low-concentration polysilicate microgels48US 5,503,820 AE. I. Du Pont de Nemours and Company · 1996
- Method of making colloidal silica45US 6,372,806 B1Nalco Chemical Company · 2002