Lavatory cleaning block

Details Lavatory cleaning block Lavatory cleaning block

1993-05-14

1996-11-26

Conrad, Joseph

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510381, 510447, 510499, 510500, 510508, 42271, 239 34, C11D 1704, C11D 328

Patent

active

055785590

ABSTRACT:
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.

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patent: 5178787 (1993-01-01), Hung et al.

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