C01B 33/154
By acidic treatment of aqueous silicate solutions
Official title: by acidic treatment of aqueous silicate solutions
C01B33/154 (By acidic treatment of aqueous silicate solutions) appears on 76 US grants and 65 published applications in this corpus.
Search patents in C01B- Granted patents
- 76
- Published applications
- 65
- Assignees
- 65
- Inventors
- 197
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 7 |
| 2019 | 6 | 8 |
| 2020 | 4 | 3 |
| 2021 | 2 | 3 |
| 2022 | 6 | 7 |
| 2023 | 0 | 6 |
| 2024 | 2 | 5 |
| 2025 | 8 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Silica wet gel and aerogel1 Sep 2026US 12,722,355 B2Cardinal CG Company
- Aerogel blanket1 Sep 2026US 12,722,979 B2LG Chem.Ltd.
- Aerogel composite25 Nov 2025US 12,479,734 B2LG Chem.Ltd.
- Thermally insulating aerogel vacuum composite panel and preparation method thereof25 Nov 2025US 12,479,967 B2Huabao (Tianjin) New Material Science And Technology Development Co., Ltd.
- Silica wet gel and aerogel18 Nov 2025US 12,472,721 B2Cardinal CG Company
- Silica aerogel and aging and drying method thereof2 Jul 2026US 2026/0184578 A1Ping Gong
- Aerogel Composite5 Feb 2026US 2026/0035254 A1LG Chem.Ltd.
- Aerogel Composite6 Nov 2025US 2025/0340444 A1LG Chem.Ltd.
- Catalyst for the production of 1,3-butadiene giving a high yield based on a support comprising aluminium and sodium4 Sep 2025US 2025/0276305 A1Ecovyst, Inc
- Hydrophobic silica aerogel blanket and method for preparing same24 Jul 2025US 2025/0236527 A1LG Chem.Ltd.
Most cited
By later US patents
- Process for the preparation of silica spheres46US 4,640,807 AShell Oil Company · 1987
- Method for preparation of perfectly spherical particles of silicagel with controlled size and controlled pore dimensions45US 4,104,363 ACeskoslovenska akademie ved · 1978
- Process for producing finely divided powdery metal oxide compositions38US 4,764,357 AAkzo America Inc. · 1988
- Organically modified aerogels, processes for their preparation by surface modification of the aqueous gel, without prior solvent exchange, and subsequent drying, and their use32US 7,470,725 B2Cabot Corporation · 2008
- Method of selectively producing high pore volume silica gel29US 3,959,174 AW. R. Grace & Co. · 1976