Environmentally benign, non-toxic, non-corrosive engine...

Details Environmentally benign, non-toxic, non-corrosive engine... Environmentally benign, non-toxic, non-corrosive engine...

2005-01-25

2005-01-25

Ogden, Necholus (Department: 1751)

Compositions

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

C252S076000, C252S079000

Reexamination Certificate

active

06846431

ABSTRACT:
A liquid antifreeze which is produced from renewable resources, and which is biodegradable, non-toxic, and is non-corrosive to engines is provided. The liquid antifreeze composition for use as an engine coolant in a dilute or concentrate form comprises a water soluble salt of succinic acid, a water soluble salt of acetic acid, ethanol, and water, wherein the composition has a freezing point of greater than −30° C. in the engine. A method for cooling an engine with a cooling system which comprises the coolant compositions is also provided.

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