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Rohm & Haas Patents Encapsulation System

April 3, 2008

Patent No. US 7,338,928 B2:
A system for releasing one or more active ingredients from a composition comprising one or more oil absorbing polymers and a coating comprising one or more water sensitive, surface active polymers; wherein the active ingredients are encapsulated was assigned to Rohm and Haas Company, Philadelphia, PA

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