Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hans-Dieter Puetz0
Juergen Schubert0
Klaus-Dieter Hellwig0
Michael Pickel0
Date of Patent
July 26, 2005
0Patent Application Number
099344710
Date Filed
August 23, 2001
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a process, which includes:coating at least a portion of a surface of at least one silica particle with at least one wax, wherein the coating is carried out in at least one gas at a temperature above the melting point of the wax and below the decomposition temperature of the wax, to obtain at least one wax-coated silica particle. Other embodiments of the present invention provides processes for impregnating the silica particle with wax and uses of the wax-coated or wax-impregnated particles.
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