Compositions – Electrolytes for electrical devices
Patent
1991-03-11
1993-01-12
Lieberman, Paul
Compositions
Electrolytes for electrical devices
252 95, 252174, 252102, 2521861, 2521862, 25218625, 25218634, 25218733, 210753, 210754, 210755, C11D 1700, C09K 300
Patent
active
051787873
ABSTRACT:
A toilet cleaning block which releases a halogen disinfecting agent in a controlled, substantially constant rate for 2 to about 4 months of constant contact with water and is then completely dissolved in the water comprises an admixture of an agent which releases a halogen disinfecting agent when in contact with water, about 4 to 10% aluminum hydroxide based on the total weight of the block and up to about 1% by weight of a mold release lubricant, said admixture being in the form of a coherent solid resistant to internal water penetration having a density of 1.10 to 1.60 g/cc, a ratio of effective surface area to weight of about 1:1.05 to 1:1.25 and a crush fracturing strength of about 9-109 kg.
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patent: 4713079 (1987-12-01), Chun et al.
Carmello Robert
Hung John H. C.
Block Drug Company Inc.
Lieberman Paul
Swope Bradley A.
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