C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/28 (2006.01) C11D 3/02 (2006.01) C11D 3/10 (2006.01) C11D 3/12 (2006.01) C11D 3/395 (2006.01) C11D 7/02 (2006.01) C11D 7/32 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2161411
A toilet cleaning block that releases a halogen containing sanitizing agent in a controlled, substantially constant rate for about 2 to about 4 months of constant contact with water and is then completely dissolved in the water comprises an admixture of about 50 % to ¦ about 80 % by weight of a halogen containing sanitizing agent, about 20 % to about 40 % by weight of a bulking agent such as aluminum hydroxide and about 1 % to about 20 % by weight of a sacrificial dissolution rate regulating agent such as sodium chloride.
Dolan Richard
Riccobono Paul
Hpd Laboratories Inc.
Mccarthy Tetrault Llp
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