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U.S. Department of Energy
Office of Scientific and Technical Information

Antimony tartrate corrosion inhibitive composition for coolant systems

Patent ·
OSTI ID:6091677

An automobile coolant concentrate is described comprising (a) a liquid polyhydric alcohol chosen from the group consisting of ethylene glycol, propylene glycol, diethylene glycol and mixtures thereof, and (b) corrosion inhibitors in a corrosion inhibitory amount with respect to corrosion of lead-containing solders, the corrosion inhibitors comprising (i) an alkali metal antimony tartrate, and (ii) an azole compound.

Assignee:
First Brands Corp., Danbury, CT
Patent Number(s):
US 4686059
OSTI ID:
6091677
Country of Publication:
United States
Language:
English