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Patent applications and USPTO patent grants for Lang; Winfried.The latest application filed is for "method for producing articles of high-purity synthetic quartz glass".
Patent | Date |
---|---|
Method for producing articles of high-purity synthetic quartz glass Grant 4,572,729 - Lang , et al. February 25, 1 | 1986-02-25 |
Process for processing waste gases resulting during the production of silicon Grant 4,515,762 - Griesshammer , et al. May 7, 1 | 1985-05-07 |
Process for producing large-size, self-supporting plates of silicon Grant 4,131,659 - Authier , et al. December 26, 1 | 1978-12-26 |
Process for producing large-size substrate-based semiconductor material utilizing vapor-phase deposition and subsequent resolidification Grant 4,113,532 - Authier , et al. September 12, 1 | 1978-09-12 |
Process for purifying halogenosilanes Grant 4,112,057 - Lang , et al. September 5, 1 | 1978-09-05 |
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