Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masahiko Ozawa0
Yasutaka Tsutsui0
Date of Patent
January 13, 2015
Patent Application Number
13637663
Date Filed
January 24, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
Expandable composite resin particles for frozen storage comprising: composite resin particles of a polyolefin-based resin and a polystyrene-based resin; 7.5 to 11% by weight of volatile blowing agent contained in the composite resin particles and containing pentane; and 0.5 to 1.5% by weight of moisture attached to surfaces of the composite resin particles.
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