Compositions – Electrolytes for electrical devices
Patent
1982-11-01
1984-06-05
Kittle, John E.
Compositions
Electrolytes for electrical devices
252135, 25217423, 252181, 252DIG2, 252DIG16, 210697, 210756, 4227, 4228, C11D 3395, C11D 754
Patent
active
044527136
ABSTRACT:
Method, composition and article of manufacture 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 0.05 ppm to 10 ppm of a glassy phosphate having the formula MO(MPO.sub.3).sub.n M wherein M is sodium or potassium and n is an integer of from about 6 to about 21.
REFERENCES:
patent: 2964467 (1960-12-01), Lambert et al.
patent: 3168554 (1965-02-01), Phillips et al.
patent: 3303104 (1967-02-01), Rubin
patent: 3442937 (1969-05-01), Sennewald et al.
patent: 3978235 (1976-08-01), Schiro
patent: 4115293 (1978-09-01), Schoenholz et al.
patent: 4129423 (1978-12-01), Rubin
patent: 4176059 (1979-11-01), Suzuki
patent: 4269723 (1981-05-01), Barford et al.
patent: 4283300 (1981-08-01), Kurtz
Condensed Chemical Dictionary, 7th Ed. (p. 865) (Reinhold, NY 1966).
FMC Glassy Phosphates, T. B. FMC Co. (prior to 1980).
Journal AWWA, pp. 662-663 (Dec. 1977).
Phosphorus Chemistry in Everyday Living, pp. 128-129 (Toy), American Chemical Society, Washington, D.C. 1976.
Hemingway Ronald L.
Kittle John E.
Le Hoa Van
The Procter & Gamble & Company
Witte Richard C.
LandOfFree
Inhibition of the staining of porcelain surfaces by manganese does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Inhibition of the staining of porcelain surfaces by manganese, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inhibition of the staining of porcelain surfaces by manganese will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1496474