Antifoam ingredient

B - Operations – Transporting – 01 – D

Patent

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B01D 19/04 (2006.01) C11D 3/00 (2006.01) C11D 3/18 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01)

Patent

CA 1272098

ABSTRACT A particulate antifoam ingredient suitable for incorporation into a detergent powder composition, said ingredient comprising particles which are capable of swelling, dissolving or disintegrating on contact with water, said particles comprising a core carrying a low- and a high- temperature-sensitive antifoam active substance, such as an oil and a wax respectively, and having a coating surrounding the core of material, such as wax, which is impervious while in the dry state, yet which is capable of disruption on contact with water thereby to release the antifoam active substances, the particles having a mean particle diameter of up to 2,000µm.

509198

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