C03C 2203/36
Gel impregnation
C03C2203/36 (Gel impregnation) appears on 8 US grants and 7 published applications in this corpus.
Search patents in C03C- Granted patents
- 8
- Published applications
- 7
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mesoporous phosphate based glass24 Feb 2026US 12,559,412 B2University of Surrey
- Manufacture of porous glass and glass-ceramic particulate structures by gel casting7 Nov 2023US 11,807,566 B2Synthera Biomedical Private Limited
- Composite shaped body and silica glass, and method for producing the same10 Sep 2019US 10,407,334 B2Kyushu University
- Low surface energy coatings for cooking products21 Jun 2011US 7,964,294 B2General Electric Company
- Fabrication process of a gradient index type of optical element7 Mar 2000US 6,032,487 APlympus Optical Co., Ltd.
- Optical Fiber, Optical Fiber Preparation Method, and Optical Fiber Amplifier9 Oct 2025US 2025/0316945 A1Huawei Technologies Co., Ltd.
- Mesoporous phosphate based glass29 Sep 2022US 2022/0306519 A1University of Surrey
- Manufacture of porous glass and glass-ceramic particulate structures by gel casting20 May 2021US 2021/0147276 A1Synthera Biomedical Private Limited
- Composite shaped body and silica glass, and method for producing the same3 May 2012US 2012/0107589 A1Kyushu University
- Amorphous thin films and method of manufacturing same11 Nov 2010US 2010/0285320 A1
Most cited
By later US patents
- Method for producing large silica sol-gels doped with inorganic and organic compounds21US 5,071,674 AUniversity of Florida · 1991
- Process for producing optical glass product18US 4,528,010 ANippon Telegraph & Telephone Public Corporation · 1985
- Process for preparing a solid state dye laser3US 6,022,592 AYissum Research Development Company of the Hebrew University of Jerusalem · 2000
- Fabrication process of a gradient index type of optical element3US 6,032,487 APlympus Optical Co., Ltd. · 2000
- Low surface energy coatings for cooking products3US 7,964,294 B2General Electric Company · 2011