Methods of foam inhibition or depression

Paper making and fiber liberation – Processes and products – Non-fiber additive

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252321, 252358, D21H 302

Patent

active

044459718

ABSTRACT:
Methods of foam inhibition or depression in industrial milieu. The present methods generally involve the use of certain nonionic surfactants having the structure:

REFERENCES:
patent: 2686766 (1954-08-01), Silverstein et al.
patent: 2792374 (1957-05-01), Bradley et al.
patent: 3056687 (1962-10-01), Stephan
patent: 3215635 (1965-11-01), Liebling et al.
patent: 3277217 (1966-10-01), Nehmsmann
patent: 4024072 (1977-05-01), Shane et al.

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