Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ward Thomas Brown0
Date of Patent
August 25, 2009
0Patent Application Number
111590380
Date Filed
June 22, 2005
0Patent Primary Examiner
Patent abstract
An opacifying particle including a pigment particle having an average particle diameter of from 0.005 to 5 microns and an index of refraction of at least 1.8; a first polymer attached to the surface of the pigment particle via a silane residue; and a second polymer which substantially encapsulates the pigment particle having the attached first polymer is provided. Also provided is a method for forming the opacifying particle as is a coating composition and a plastic composition including the opacifying particle.
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