Thixotropic liquid automatic dishwasher detergent composition wi

Details Thixotropic liquid automatic dishwasher detergent composition wi Thixotropic liquid automatic dishwasher detergent composition wi

1990-01-03

1991-10-15

Lieberman, Paul

Compositions

Electrolytes for electrical devices

252 94, 252 95, 252 96, 252 99, 252109, 252156, 25217414, 252DIG14, C11D 1700, C11D 360, C11D 1004

Patent

active

050572377

ABSTRACT:
The physical stability of liquid gel-like automatic dishwasher detergent compositions based on montmorillonite, attapulgite, hectorite or other inorganic colloid-forming clay or other thixotropic thickener is greatly improved by incorporating in the composition small amounts, such as 0.1 or 0.2 weight percent, of aluminum or zinc stearate or other polyvalent metal salt of long chain fatty acid. The aqueous compositions containing inorganic builder salts and other functional inorganic salts, chlorine bleach, bleach-stable detergent, thixotropic thickener and polyvalent metal salt of a fatty acid as a physical stabilizer remain stable against phase separation for periods in excess of six weeks under a wide range of temperatures. The thixotropic properties can be retained or improved using smaller levels of the clay thixotropic thickener than in the absence of the physical stabilizer.

REFERENCES:
patent: 4071377 (1978-01-01), Schwuger et al.
patent: 4226736 (1980-10-01), Bush et al.
patent: 4240919 (1980-12-01), Chapman
patent: 4333771 (1982-06-01), Altenschopfer et al.
patent: 4661280 (1987-04-01), Ouhadi et al.

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