C01B 33/16
Preparation of silica xerogels
C01B33/16 (Preparation of silica xerogels) appears on 192 US grants and 130 published applications in this corpus.
Search patents in C01B- Granted patents
- 192
- Published applications
- 130
- Assignees
- 147
- Inventors
- 460
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 12 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 4 |
| 2003 | 5 | 7 |
| 2004 | 3 | 8 |
| 2005 | 3 | 4 |
| 2006 | 4 | 2 |
| 2007 | 7 | 9 |
| 2008 | 7 | 5 |
| 2009 | 4 | 5 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 0 | 7 |
| 2013 | 5 | 7 |
| 2014 | 7 | 4 |
| 2015 | 7 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 8 |
| 2019 | 5 | 12 |
| 2020 | 6 | 7 |
| 2021 | 6 | 7 |
| 2022 | 4 | 6 |
| 2023 | 5 | 2 |
| 2024 | 3 | 5 |
| 2025 | 4 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Curable composition containing rice husk ash biosilica toughened epoxy resin30 Jun 2026US 12,668,682 B2Najran University
- 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 with ultra-fast dissolution properties1 Jul 2025US 12,344,531 B2Sil'Innov Srcl
- Thermal insulator and method for manufacturing same8 Apr 2025US 12,270,502 B2Panasonic Intellectual Property Management Co., Ltd.
- Method of manufacturing monolithic optical systems1 Apr 2025US 12,265,214 B2Lawrence Livermore National Security, LLC
- Bio-based curable epoxy composition17 Sep 2026US 2026/0275083 A1Najran University
- Fluorine-free transparent superhydrophobic coating, and preparation method therefor and application thereof23 Apr 2026US 2026/0109867 A1Jilin University
- Method for producing hydrophobic silica aerogel blanket, and silica aerogel blanket2 Apr 2026US 2026/0091981 A1LG Chem.Ltd.
- Method for producing hydrophobic silica aerogel blanket, and silica aerogel blanket4 Dec 2025US 2025/0368518 A1LG Chem.Ltd.
- Aerogel27 Nov 2025US 2025/0361149 A1Tiem Factory Inc.
Most cited
By later US patents
- Preparation of high porosity xerogels by chemical surface modification.163US 5,565,142 A1996
- Transparent non-vitreous ceramic particulate127US 4,564,556 AMinnesota Mining and Manufacturing Company · 1986
- Spherical SiO.sub.2 particles83US 4,775,520 AMerck Patent GmbH · 1988
- Supercritical fluid reverse micelle separation70US 5,266,205 ABattelle Memorial Institute · 1993
- Supercritical fluid reverse micelle systems68US 5,158,704 ABattelle Memorial Insitute · 1992