专利名称：Particulate defoaming compositions发明人：Thomas C. Friel, Jr.,Anthony J. O'Lenick, Jr.申请号：US07/340752申请日：19890420公开号：US04956119A公开日：19900911
摘要：The present invention involves new anti-foam compositions which controlfoaming in aqueous systems and by nature of their unique cloud point characteristics areinsoluble and particulate above their inverse cloud point, and soluble below it. Thisproperty makes them particulate non-depositing defoamers. As the defoamed aqueoussystem cools down these novel products become soluble, preventing insoluble material(pitch) from depositing on process equipment and matter being processed.
申请人：FRIEL, JR.; THOMAS C.,O'LENICK, JR.; ANTHONY J.
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