Dishwashing detergent effective at low temperature

Details Dishwashing detergent effective at low temperature Dishwashing detergent effective at low temperature

1978-09-11

1980-11-11

Weinblatt, Mayer

Compositions

Electrolytes for electrical devices

252135, 252DIG1, 252358, 252321, 25217414, 25217422, 25217423, C11D 756, C11D 718, C11D 738

Patent

active

042331714

ABSTRACT:
A machine dishwashing detergent which cleans at lower temperature combines a chelating agent with a water soluble oxidizing bleach in an alkaline environment and certain combinations of nonionic surfactants: A. a low-foaming water-soluble polyol which is a polyoxypropyleneterminated block copolymer having a polyoxyethylene core; B. an oil-soluble condensate of about 1 to about 5 moles of ethylene oxide with a hydrophobic organic compound containing a single -OH group; and C. a high-foaming water-soluble condensate of at least about 7 moles of ethylene oxide with a hydrophobic organic compound containing a single --OH group. When all three surfactants are used in an amount of at least about 1%, at least 4% of total surfactant is needed, and when fewer surfactants are used, a larger total amount is required.

REFERENCES:
patent: 3549539 (1970-12-01), Mallows
patent: 3899436 (1975-08-01), Copeland et al.
patent: 4049586 (1977-09-01), Collier

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