Winfried Lang

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing articles of high-purity synthetic quartz glass
- Patent number 4,572,729
- Issue date Feb 25, 1986
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Winfried Lang
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for treating silicon and ferrosilicon with slag
- Patent number 4,534,791
- Issue date Aug 13, 1985
- Wacker-Chemie GmbH
- Anton More
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for processing waste gases resulting during the production...
- Patent number 4,515,762
- Issue date May 7, 1985
- Wacker-Chemitronic Gesellschaft Fur Elektronik-Grundstoffe mbH
- Rudolf Griesshammer
- C01 - INORGANIC CHEMISTRY