Lubricant compositions containing antioxidants, amine phosphates and 4-(5-) methyl-1-[di-(2-ethylhexyl) aminomethyl]-benzotriazole
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United States of America Patent
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Oct 20, 1987
Issued Date -
N/A
app pub date -
Sep 10, 1986
filing date -
Dec 23, 1983
priority date (Note) -
Expired
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Abstract
Lubricant formulations containing a combination, which has a synergistic action in respect of metal deactivation, composed of 1-[di-(2-ethylhexyl)-aminomethyl]-benztriazole which is methylated in the benzene ring in the 4-position and/or 5-position, and an antioxidant selected from a small group of antioxidants. Further additives can be added to these lubricant formulations. The compositions mentioned above reduce the abrasion phenomena in the components to be lubricated if they are added to mineral and synthetic lubricating oils, hydraulic fluids and lubricating greases.
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