C03B 2201/23
Doped with hydroxyl groups
Official title: doped with hydroxyl groups
C03B2201/23 (Doped with hydroxyl groups) appears on 136 US grants and 131 published applications in this corpus.
Search patents in C03B- Granted patents
- 136
- Published applications
- 131
- Assignees
- 40
- Inventors
- 271
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 10 | 9 |
| 2003 | 7 | 10 |
| 2004 | 6 | 3 |
| 2005 | 2 | 7 |
| 2006 | 5 | 8 |
| 2007 | 3 | 7 |
| 2008 | 1 | 8 |
| 2009 | 7 | 3 |
| 2010 | 3 | 12 |
| 2011 | 11 | 9 |
| 2012 | 3 | 6 |
| 2013 | 7 | 6 |
| 2014 | 7 | 5 |
| 2015 | 3 | 5 |
| 2016 | 4 | 7 |
| 2017 | 7 | 1 |
| 2018 | 0 | 4 |
| 2019 | 1 | 10 |
| 2020 | 3 | 3 |
| 2021 | 3 | 0 |
| 2022 | 4 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Titania-silica glass with uniform hydroxyl concentration11 Aug 2026US 12,703,655 B2Corning Incorporated
- Titanium-containing quartz glass having excellent UV absorption, and method for producing same29 Apr 2025US 12,286,374 B2Heraeus Quarzglas GmbH & Co.KG
- Synthetic quartz glass substrate and making method26 Dec 2023US 11,851,364 B2Shin-Etsu Chemical Co., Ltd.
- Method for manufacturing optical fiber parent material, and method for manufacturing optical fiber6 Jun 2023US 11,667,559 B2Sumitomo Electric Industries, Ltd.
- Preparation of quartz glass bodies with dew point monitoring in the melting oven8 Nov 2022US 11,492,282 B2Heraeus Quarzglas GmbH & Co.KG
- Homogenous silica-titania glass21 May 2026US 2026/0140435 A1Corning Incorporated
- Homogenous silica-titania glass21 May 2026US 2026/0140436 A1Corning Incorporated
- Methods of controlling steam pressure to produce titania-silica glass20 Nov 2025US 2025/0353776 A1Corning Incorporated
- Titania-silica glass with uniform hydroxyl concentration25 Jul 2024US 2024/0246850 A1Corning Incorporated
- Homogenous silica-titania glass29 Feb 2024US 2024/0069429 A1Corning Incorporated
Most cited
By later US patents
- Optical member of synthetic quartz glass for excimer lasers and method for producing same63US 5,364,433 AShin-Etsu Quartz Products Co., Ltd. · 1994
- Optical members and blanks or synthetic silica glass and method for their production62US 5,086,352 AHeraeus Quarzglas GmbH & Co.KG · 1992
- Optical member made of high-purity and transparent synthetic silica glass and method for production thereof or blank thereof61US 5,410,428 AHeraeus Quarzglas GmbH & Co.KG · 1995
- Synthetic silica glass optical material having high resistance to laser induced damage48US 7,534,733 B2Corning Incorporated · 2009
- Optical members and blanks of synthetic silica glass and method for their production44US 5,325,230 AHeraeus Quarzglas GmbH & Co.KG · 1994