C03C 2201/80
Containing bubbles or microbubbles
Official title: containing bubbles or microbubbles, e.g. opaque quartz glass
C03C2201/80 (Containing bubbles or microbubbles) appears on 33 US grants and 30 published applications in this corpus.
Search patents in C03C- Granted patents
- 33
- Published applications
- 30
- Assignees
- 24
- Inventors
- 104
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 0 |
| 2024 | 0 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molded body made of opaque quartz glass and method for producing same14 Jul 2026US 12,679,756 B2Heraeus Quarzglas GmbH & Co.KG
- Silica glass member for hermetic sealing of ultraviolet SMD LED element and method for manufacturing quartz glass member for ultraviolet led12 Sep 2023US 11,757,075 B2Shin-Etsu Quartz Products Co., Ltd.
- Alkali-free glass substrate8 Aug 2023US 11,718,553 B2AGC Inc.
- Diffuser material of synthetically produced quartz glass and method for the manufacture of a molded body consisting fully or in part thereof19 Jul 2022US 11,390,556 B2Heraeus Quarzglas GmbH & Co.KG
- Glass tube for metal sealing and glass for metal sealing5 Jul 2022US 11,377,385 B2Nippon Electric Glass Co., Ltd.
- Quartz glass crucible for pulling single crystal silicon ingot28 Aug 2025US 2025/0270732 A1Shin-Etsu Quartz Products Co., Ltd.
- Tio2-containing silica glass substrate27 Jun 2024US 2024/0208854 A1AGC Inc.
- Inorganic oxide powder23 May 2024US 2024/0166552 A1Denka Company Limited
- Silica glass member and method for producing same25 Jan 2024US 2024/0025795 A1AGC Inc.
- Silica glass porous body and manufacturing method therefor25 Jan 2024US 2024/0025802 A1AGC Inc.
Most cited
By later US patents
- Pulverulent borosilicate composition and a method of making a cellular borosilicate body therefrom50US 4,119,422 APittsburgh Corning Corporation · 1978
- High-purity, opaque quartz glass, method for producing same and use thereof30US 5,585,173 ANippon Silica Glass Co., Ltd. · 1996
- Molded body of quartz glass and process for the production of a molded body of quartz glass30US 5,736,206 AHeraeus Quarzglas GmbH & Co.KG · 1998
- Ultraviolet sensor27US 5,497,004 AHeraeus Xenotest GmbH · 1996
- Single-wafer heat-treatment apparatus and method of manufacturing reactor vessel used for same26US 5,651,827 AHeraeus Quarzglas GmbH & Co.KG · 1997