Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kunihiko Mita0
Kunihiro Yamada0
Akihiro Endo0
Date of Patent
March 31, 2009
Patent Application Number
11133339
Date Filed
May 20, 2005
Patent Primary Examiner
Patent abstract
A silicone grease composition is provided comprising (A) 2-40% by weight of an organopolysiloxane having a kinematic viscosity of 50-500,000 mm2/s at 25° C., and (B) 60-98% by weight of at least one heat conductive filler selected from among metal powders, metal oxide powders and ceramic powders having a thermal conductivity of at least 10 W/m° C. and an average particle size of 0.1-15.0 μm. Coarse particles are removed such that a 500-mesh oversize fraction is not more than 50 ppm and a 325-mesh oversize fraction is substantially zero.
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