Polybutene-based foam control composition for aqueous systems

Details Polybutene-based foam control composition for aqueous systems Polybutene-based foam control composition for aqueous systems

1994-04-06

1996-10-08

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252358, 162 77, B01D 1904

Patent

active

055628621

ABSTRACT:
A stable defoamer composition and method of defoaming an aqueous system is disclosed. The composition comprises an alcohol alkoxylate, at least one surfactant having a melting point less than 20.degree. C., and a low HLB, ethylene oxide/propylene oxide block copolymer, said block copolymer carried in a mixture comprising polybutene.

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patent: 5229033 (1993-07-01), Nguyen et al.
patent: 5283002 (1994-02-01), Nguyen
patent: 5320777 (1994-06-01), Nguyen et al.

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