Silicone defoamer compositions

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United States of America Patent

PATENT NO 9815003
SERIAL NO

14867499

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Abstract

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Defoamer compositions contain a) a two-stage hydrosilylation product of one or more M4HQ or M3HTphenyl starting materials with a hydrosilylatable composition containing α-methylstyrene, and then with a linear or branched organopolysiloxane bearing at least two hydrosilylatable groups; b) a silicone resin; and c) silica. The defoamers are particularly useful in machine laundering and dishwashing compositions.

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Patent Owner(s)

Patent OwnerAddress
WACKER CHEMICAL CORPORATION3301 SUTTON ROAD ADRIAN MI 49221

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Becker, Richard Burghausen, DE 56 683
Mitra, Amitabha Saline, US 21 755
Richards, John Sylvania, US 27 287
Whitton, Margaret Jackson, US 3 6

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