US Patent 7579081 Opacifying particles
Patent 7579081 was granted and assigned to Rohm and Haas on August, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Ward Thomas Brown0
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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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US Patent 07579081 Opacifying particles US Patent 7579081 Opacifying particles
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Patent Number
075790810
Patent Number
75790810
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Current Assignee
Patent Jurisdiction
Patent Number
075790810
Date of Patent
August 25, 2009
0Patent Application Number
111590380
Date Filed
June 22, 2005
0Official Website
Patent Primary Examiner
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US Patent 07579081 Opacifying particles
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Is a
Current assignee
Patent jurisdiction
Patent number
07579081
Date of patent
August 25, 2009
Patent application number
11159038
Date Filed
June 22, 2005
Patent primary examiner
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