US Patent 7153990 Process for preparing crosslinked and branched organopolysilanes
Patent 7153990 was granted and assigned to Wacker Chemie AG on December, 2006 by the United States Patent and Trademark Office.
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Patent Inventor Names
Annemarie Weinhart0
Karin Boegershausen0
Wolfgang Knies0
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Patent abstract
A process for preparing crosslinked or branched organopolysilanes involves reacting halosilanes with alkali metal and/or alkaline earth metal, the reaction mixture, immediately after reaction has ended, being treated at at least 50° C. for at least 30 seconds with a mineral treating agent which is one or more polysilicic acids, silicates or aluminosilicates.
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US Patent 07153990 Process for preparing crosslinked and branched organopolysilanes US Patent 7153990 Process for preparing crosslinked and branched organopolysilanes
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Patent Number
071539900
Patent Number
71539900
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
071539900
Date of Patent
December 26, 2006
0Patent Application Number
112573460
Date Filed
October 24, 2005
0Official Website
Patent Primary Examiner
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US Patent 07153990 Process for preparing crosslinked and branched organopolysilanes
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07153990
Date of patent
December 26, 2006
Patent application number
11257346
Date Filed
October 24, 2005
Patent primary examiner
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