Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 30, 2011
Patent Application Number
11662858
Date Filed
October 31, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An organohydrogenpoly siloxane resin having the formula (I): (R1R32SiO½)w(R32SiO½)x(R1SiO3/2)y(SiO4/2)z, wherein R1 is C1 to C10 hydrocarbyl or C1 to C10 halogen-substituted hydrocarbyl, both free of aliphatic unsaturation, R3 is R1 or an organosilylalkyl group having at least one siliconbonded hydrogen atom, w is from 0 to 0.8, x is from 0 to 0.6, y is from 0 to 0.99, z is from 0 to 0.35, w+x+y+z=1, y+z/(w+x+y+z) is from 0.2 to 0.99, w+x/(w+x+y+z) is from 0.01 to 0.8, and at least 50 mol % of the groups R3 are organosilylalkyl; a silicone composition containing the resin, and a cured silicone resin prepared by curing the silicone composition.
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