Particulate foam control agents and their use

Details Particulate foam control agents and their use Particulate foam control agents and their use

C - Chemistry, Metallurgy

11

D

C11D 3/37 (2006.01) B01D 19/04 (2006.01) C11D 3/00 (2006.01) C11D 3/12 (2006.01) C11D 3/20 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2166044

A method of making a particulate foam control agent comprising 0.001 to 30 parts of silicone antifoam, 45 to 99 parts of a zeolite and 0 to 30 parts of a binder, preferably of a polycarboxylate-type, able to release at least some antifoam from the zeolite in the first 10 minutes of a washing cycle comprises depositing from 0.1 to 500% of the silicone antifoam of an organic surfactant onto the zeolite not later than depositing the silicone antifoam, at least 1 part of surfactant being used per 100 parts of the foam con- trol agent. Also covered are detergent compositions and some foam control agents.

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