C03C 2203/20
Wet processes
Official title: Wet processes, e.g. sol-gel process
C03C2203/20 (Wet processes) appears on 140 US grants and 133 published applications in this corpus.
Search patents in C03C- Granted patents
- 140
- Published applications
- 133
- Assignees
- 111
- Inventors
- 417
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 3 |
| 2002 | 6 | 5 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 5 |
| 2006 | 1 | 10 |
| 2007 | 5 | 3 |
| 2008 | 5 | 9 |
| 2009 | 4 | 8 |
| 2010 | 3 | 8 |
| 2011 | 3 | 5 |
| 2012 | 2 | 5 |
| 2013 | 5 | 3 |
| 2014 | 3 | 5 |
| 2015 | 2 | 3 |
| 2016 | 8 | 4 |
| 2017 | 1 | 3 |
| 2018 | 3 | 7 |
| 2019 | 2 | 5 |
| 2020 | 4 | 7 |
| 2021 | 1 | 5 |
| 2022 | 2 | 7 |
| 2023 | 7 | 5 |
| 2024 | 5 | 4 |
| 2025 | 4 | 7 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cover glass with an anomalous stress profile, process for production thereof and use thereof22 Sep 2026US 12,741,903 B2Schott AG
- Method for processing cullet using colorimetric analysis11 Aug 2026US 12,704,455 B2Saint-Gobain Isover
- Molded body made of opaque quartz glass and method for producing same14 Jul 2026US 12,679,756 B2Heraeus Quarzglas GmbH & Co.KG
- Photoluminescent vitroceramic nanocrystals based on silica-stabilised zirconium, production method thereof and product based on the nanocrystals, for thermal barrier coatings19 May 2026US 12,630,466 B2Universidad Autonoma De Occidente
- Mesoporous phosphate based glass24 Feb 2026US 12,559,412 B2University of Surrey
- Glass and method for manufacturing glass30 Jul 2026US 2026/0217592 A1AGC Inc.
- Aerogel attachment technology25 Jun 2026US 2026/0175554 A1Cardinal CG Company
- Sinter-free low-temperature 3d-printing of nanoscale optical grade fused silica glass9 Oct 2025US 2025/0313502 A1The Regents of the University of California
- Optical Fiber, Optical Fiber Preparation Method, and Optical Fiber Amplifier9 Oct 2025US 2025/0316945 A1Huawei Technologies Co., Ltd.
- Glass substrates comprising silica-based glass with increased hydroxyl group uniformity, and methods of forming the same5 Jun 2025US 2025/0178945 A1Corning Incorporated
Most cited
By later US patents
- Molecular receptors in metal oxide sol-gel materials prepared via molecular imprinting232US 6,057,377 ASandia Corporation · 2000
- Preparation of monolithic silica aerogels, the aerogels thus obtained and their use for the preparation of silica glass articles and of heat-insulating materials74US 4,432,956 ACorning France · 1984
- Fabrication of sintered high-silica glasses66US 4,419,115 ABell Telephone Laboratories, Incorporated · 1983
- Process for preparing monoliths of aerogels of metal oxides48US 5,207,814 AEnichem S.p.A. · 1993
- Method of producing glass from metal alkoxide solution40US 4,397,666 ACentral Glass Company, Limited · 1983