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Dieter Weidhaus
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Burghausen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Granular polycrystalline silicon and production thereof
Patent number
9,296,616
Issue date
Mar 29, 2016
Wacker Chemie AG
Harald Hertlein
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and apparatus for the contamination-free heating of gases
Patent number
8,975,563
Issue date
Mar 10, 2015
Wacker Chemie AG
Paul Fuchs
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the continuous production of polycrystalline high-purit...
Patent number
8,722,141
Issue date
May 13, 2014
Wacker Chemie AG
Dieter Weidhaus
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dust-free and pore-free, high-purity granulated polysilicon
Patent number
7,708,828
Issue date
May 4, 2010
Wacker-Chemie GmbH
Dieter Weidhaus
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for comminuting silicon
Patent number
7,490,785
Issue date
Feb 17, 2009
Wacker Chemie AG
Dieter Weidhaus
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Radiation-heated fluidized-bed reactor
Patent number
7,029,632
Issue date
Apr 18, 2006
Wacker-Chemie GmbH
Dieter Weidhaus
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
GRANULAR POLYCRYSTALLINE SILICON AND PRODUCTION THEREOF
Publication number
20130295385
Publication date
Nov 7, 2013
Harald HERTLEIN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Process For The Continuous Production Of Polycrystalline High-Purit...
Publication number
20080299291
Publication date
Dec 4, 2008
Wacker Chemie AG
Dieter Weidhaus
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method and Apparatus For The Contamination-Free Heating Of Gases
Publication number
20080061057
Publication date
Mar 13, 2008
Siltronic AG
Paul Fuchs
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process and apparatus for comminuting silicon
Publication number
20070040056
Publication date
Feb 22, 2007
Wacker Chemie AG
Dieter Weidhaus
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Dust-free and pore-free, high-purity granulated polysilicon
Publication number
20050135986
Publication date
Jun 23, 2005
Wacker Chemie GmbH
Dieter Weidhaus
C01 - INORGANIC CHEMISTRY