Non-phosphate machine dishwashing detergents

Details Non-phosphate machine dishwashing detergents Non-phosphate machine dishwashing detergents

1991-10-11

1992-10-06

Lieberman, Paul

Compositions

Electrolytes for electrical devices

25217414, 25217423, 25217424, 252 99, C11D 166, C11D 337, C11D 912

Patent

active

051529114

ABSTRACT:
The present invention is based upon the discovery that high levels of carbonate salts can be formulated together with low levels of a mixture of certain polycarboxylate homopolymers and copolymers (i.e., in combination, a total of about 0.5 to 8.0 percent by weight), and relatively high levels of nonionic surfactants in a dishwashing detergent formulation while providing satisfactory cleaning without unacceptable spotting and filming and without the need to add phosphates and/or a chlorinating agent.

REFERENCES:
patent: 4203858 (1980-05-01), Chakrabarti
patent: 4720399 (1988-01-01), Taha
patent: 4784786 (1988-11-01), Smith et al.
patent: 4973419 (1990-11-01), Romeo et al.

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