C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3, 4/17.7
C11D 3/395 (2006.01) C11D 3/40 (2006.01)
Patent
CA 1222923
ABSTRACT A method of automatically maintaining a clean toilet bowl. The improvement comprises dispensing with the flush water during each flush of the toilet, a bleachable phthalocyanine dye, and an effective amount of an aqueous hypochlorite composition to said toilet bowl, whereby said bleaching and disinfecting composition, bleaches out the color in said phthalocyanine dye, without a change to an off color in an aminated water, as said hypochlorite composition cleans the toilet bowl, leaving the water, within the bowl, substantially clear. Also included are the dye and detergent cake and the dye and detergent cake within an appropriate dispenser.
449518
Brummer Barbara J.
Gandhi Ashwinkumar C.
Tutschek Paul C.
Weinstein Bernard
American Home Procucts Corporation
Marks & Clerk
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