US Patent 7795367 Method for producing siloxane copolymers
Patent 7795367 was granted and assigned to Wacker Chemie AG on September, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Siloxane copolymers are prepared stepwise by reacting an aminoalkyldiorganoalkoxysilane with a di- or polyisocyanate to form an alkoxysilyl-terminated urea compound, and the urea compound or its reaction product with water is subsequently reacted with a di- or polysilanol-functional polymer to form a copolymer.
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Patent Inventor Names
Wolfgang Ziche0
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US Patent 07795367 Method for producing siloxane copolymers US Patent 7795367 Method for producing siloxane copolymers
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Patent Number
077953670
Patent Number
77953670
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Current Assignee
Patent Jurisdiction
Patent Number
077953670
Date of Patent
September 14, 2010
0Patent Application Number
115681320
Date Filed
April 21, 2005
0Official Website
Patent Primary Examiner
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US Patent 07795367 Method for producing siloxane copolymers
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Is a
Current assignee
Patent jurisdiction
Patent number
07795367
Date of patent
September 14, 2010
Patent application number
11568132
Date Filed
April 21, 2005
Patent primary examiner
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