Machine dishwashing detergent having a reduced condensed phospha

Details Machine dishwashing detergent having a reduced condensed phospha Machine dishwashing detergent having a reduced condensed phospha

1991-10-11

1993-12-07

Lieberman, Paul

Compositions

Electrolytes for electrical devices

252135, 25217414, 25217423, 25217424, C11D 310, C11D 3395, C11D 306, C11D 308

Patent

active

052681190

ABSTRACT:
The present invention is based upon the discovery that high levels of carbonate salts can be formulated with minor concentrations of phosphates (e.g., about 0.1 to 0.3 percent by weight as expressed as (P.sub.2 O.sub.5) ion) together with low levels of polycarboxylate homopolymers and copolymers (i.e., about 0.5 to 5.0 percent by weight) in a dishwashing detergent formulation while providing satisfactory cleaning without unacceptable spotting and filming and without the need to add a chlorinating agent.

REFERENCES:
patent: 3899436 (1975-08-01), Copeland et al.
patent: 4092258 (1978-05-01), McLaughlin et al.
patent: 4187190 (1978-01-01), McLaughlin et al.
patent: 4233172 (1980-11-01), McLaughlin et al.
patent: 4379069 (1983-04-01), Rapisarda et al.
patent: 4411810 (1983-10-01), Dutton et al.
patent: 4853259 (1989-08-01), Taha
patent: 4933101 (1990-06-01), Cilley et al.
patent: 4973419 (1990-10-01), Romeo et al.

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