Johann Hofer

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Kirchdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for determining the effective doping agent content of hydro...
- Patent number 4,210,486
- Issue date Jul 1, 1980
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Dietrich Schmidt
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the manufacture of silicon of large surface area bonded...
- Patent number 4,141,764
- Issue date Feb 27, 1979
- Wacker Chemitronic Gesellschaft fur Elektronik-Grundstroffe mbH
- Bernhard Authier
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for the production of pure, silicon elemental semiconductor...
- Patent number 4,132,763
- Issue date Jan 2, 1979
- Wacker-Chemie GmbH
- Dietrich Schmidt
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for purifying halogenosilanes
- Patent number 4,112,057
- Issue date Sep 5, 1978
- Wacker-Chemitronic Gesellschaft fur Elektronik-Grundstoffe mbH
- Winfried Lang
- C01 - INORGANIC CHEMISTRY