Layered cementitous composition which time releases permanganate

Details Layered cementitous composition which time releases permanganate Layered cementitous composition which time releases permanganate

1991-10-07

1993-11-16

Breneman, R. Bruce

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

51308, 51308, 2521862, 25218625, 25218627, 25218643, 428404, D06L 300

Patent

active

052619249

ABSTRACT:
A layered composition which includes a hardened core comprising at least about 50 weight percent permanganate which composition releases permanganate ion into an aqueous media over time is described. A method of making and using the composition of the invention also are described.

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