Surface erodible controlled releasing, free standing cleansing b

Details Surface erodible controlled releasing, free standing cleansing b Surface erodible controlled releasing, free standing cleansing b

1991-10-10

1993-02-23

Clingman, A. Lionel

Compositions

Water-softening or purifying or scale-inhibiting agents

252 90, 25217417, 25217422, 252175, 252DIG11, 252DIG16, 252106, 4222, 42271, 42275, 134 42, 210698, C11D 1700, C11D 348, C11D 166

Patent

active

051887550

ABSTRACT:
A surface erodible controlled releasing, free standing cleaning block for domestic water closets comprises controlled releasing agent, erosion rate modifier, processing aid, acidic chelating agent, color indicator, density modifier and internal lubricant.

REFERENCES:
patent: 4043931 (1977-08-01), Jeffrey et al.
patent: 4234442 (1980-11-01), Cornelissens
patent: 4269723 (1981-05-01), Barford et al.
patent: 4722802 (1988-02-01), Hutchings et al.
patent: 4908148 (1990-03-01), Caravajal et al.
patent: 4911858 (1990-03-01), Bunczk et al.

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