Polycarboxylate-containing antifreeze/coolant additive for use i

Details Polycarboxylate-containing antifreeze/coolant additive for use i Polycarboxylate-containing antifreeze/coolant additive for use i

1991-07-23

1994-03-01

Skane, Christine

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

262 79, 262396, C09K 500

Patent

active

052904687

ABSTRACT:
The present invention provides an antifreeze/coolant additive comprising polymeric polycarboxylates which prevents hard water precipitants and scale formation, is soluble in alcohol and alcohol/water mixtures, is compatible with other commonly used antifreeze/coolant components, does not corrode or damage automotive cooling systems and is effective at relatively low concentrations.

REFERENCES:
patent: 3278585 (1966-10-01), Baker et al.
patent: 3948792 (1976-04-01), Watson et al.
patent: 4392972 (1983-07-01), Mohr et al.
patent: 4404114 (1983-09-01), Mohr et al.
patent: 4487712 (1984-12-01), Wilson et al.
patent: 4666609 (1987-05-01), Tsuneki et al.
patent: 4961878 (1990-10-01), Mullins
patent: 5064552 (1991-11-01), Oppenlaender et al.
patent: 5071580 (1991-12-01), Little
patent: 5076951 (1991-12-01), Miles et al.

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