Haraeus Quarzglas GmbH

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing silica glass article
- Patent number 6,209,354
- Issue date Apr 3, 2001
- Shin-Etsu Quartz Products Co., Ltd.
- Akira Fujinoki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for preparing silica glass article
- Patent number 5,970,746
- Issue date Oct 26, 1999
- Shin-Etsu Quartz Products Co., Ltd.
- Akira Fujinoki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Synthetic silica glass formed article for optical use
- Patent number 5,790,315
- Issue date Aug 4, 1998
- Shin-Etsu Quartz Products Co., Ltd.
- Akira Fujinoki
- C03 - GLASS MINERAL OR SLAG WOOL