Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Stephanie Frahn0
Jürgen Meyer0
Manfred Ettlinger0
Date of Patent
November 18, 2008
0Patent Application Number
105244720
Date Filed
July 29, 2003
0Patent Primary Examiner
Patent abstract
Silanized, structurally modified, pyrogenically produced silicas, characterised by groups fixed to the surface, wherein the groups are dimethylsilyl and/or monomethylsilyl, are produced in that pyrogenically produced silica is treated by a known method with dimethyldichlorosilane and/or monomethyltrichlorosilane, the groups dimethylsilyl and/or monomethylsilyl being fixed on the surface of the pyrogenic silica, and is then structurally modified and optionally post-ground. They are used to improve scratch resistance in lacquers.
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