Compositions – Fluent dielectric – N-containing
Patent
1982-03-22
1984-01-31
Albrecht, Dennis L.
Compositions
Fluent dielectric
N-containing
252 90, 252174, 25217424, 252180, 252531, 252535, 252554, C11D 337, C11D 1700
Patent
active
044288727
ABSTRACT:
Composition to inhibit the staining of water-contacting surfaces, such as those in a toilet bowl, which is caused by manganese present in household water in the presence of an oxidizing material. Manganese staining is inhibited by supplying to the water 0.1 to 10 ppm of a substance selected from sodium polyacrylates and ethylene-maleic anhydride copolymers.
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Albrecht Dennis L.
Hemingway Ronald L.
The Procter & Gamble & Company
Williamson Leonard
Witte Richard C.
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