Solid delivery systems for toilet tanks, urinals and condensate

Compositions – Fluent dielectric – N-containing

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Details

252153, 252156, 25217421, 25217422, 252174, C11D 168, C11D 170, C11D 332, C11D 337

Patent

active

053425502

ABSTRACT:
A solid block, controlled release composition suitable for use in toilet tanks, urinals and other water systems has an alkanolamide, surfactant and polyethylene glycol with a molecular weight of about 1450 to about 8000.

REFERENCES:
patent: 4043931 (1977-08-01), Jeffrey et al.
patent: 4269723 (1981-05-01), Barford et al.
patent: 4722802 (1988-02-01), Hutchings et al.
patent: 4820449 (1989-04-01), Menke et al.
patent: 4911858 (1990-03-01), Bunczk et al.
patent: 4911859 (1990-03-01), Bunczk et al.
English translation of JP 62-197494 Sep. 1987.

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