Antifreeze corrosion inhibitor composition for aluminum engines

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United States of America Patent

PATENT NO 4426309
SERIAL NO

06473944

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Abstract

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An antifreeze composition for use in aluminum internal combustion engines is disclosed. It is comprised of 0.07 percent to 0.35 percent nitrate, 0.04 percent to 0.08 percent silicate, 0.05 percent to 0.25 percent tolyltriazole, benzotriazole or a mixture thereof, 0.2 percent to 1.5 percent borate, and 0.2 percent to 0.75 percent phosphate.

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Patent Owner(s)

  • NORTHERN PETROCHEMICAL COMPANY;OLD WORLD TRADING COMPANY, INC., THE, ONE NORTH BROADWAY, DES PLAINE, IL, A CORP. OF IL;OLD WORLD TRADING COMPANY, INC., THE, A CORP. OF IL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abel, Michael L Plainfield, IL 2 33
Yates, Thomas P Frankford, IL 2 33

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