Scale-reducing additive for automatic dishwashing systems

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United States of America Patent

PATENT NO 8680033
APP PUB NO 20100234266A1
SERIAL NO

12720330

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Abstract

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A phosphorus-free automatic dishwashing detergent composition containing a polymer of acrylic acid, maleic acid and methacrylic acid; a carbonate; and a silicate. The composition contains carbonate and silicate in a weight ratio from 4:1 to 1:3, respectively; from 10 to 90 wt % total carbonate and silicate.

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Patent Owner(s)

  • ROHM AND HAAS COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Creamer, Marianne Patricia Warrington, US 9 50
Manna, Joseph Quakertown, US 23 100
Shulman, Jan Edward Newtown, US 14 111

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