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1.
公开(公告)号:US3671461A
公开(公告)日:1972-06-20
申请号:US3671461D
申请日:1969-12-18
申请人: ARIZONA CHEM
CPC分类号: B01D19/0404 , B01D19/0409
摘要: Foam in aqueous media is controlled by compositions consisting essentially of (1) ethylene oxide adducts of rosin, and (2) fatty acids.
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公开(公告)号:US3594123A
公开(公告)日:1971-07-20
申请号:US3594123D
申请日:1967-08-10
申请人: ARIZONA CHEM
摘要: IMPROVEMENTS IN WET-PROCESS PHOSPHRIC ACID SYSTEMS COMPRISING ADDING A COMPOSITION COMPRISING (1) AN ADDUCT OBTAINED BY REACTING ETHYLENE OXIDE WITH TALL OIL ROSIN; WITH OR WITHOUT (2) FATTY ACIDS, WHEREBY FOAM IS SUPPRESSED AND GYPSUM CRYSTAL GROWTH IS ENHANCED.
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