Polyalkylated 1,3,4-thiadiazoles and lubricating compositions containing same
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United States of America Patent
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Feb 27, 1990
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N/A
app pub date -
Jun 12, 1989
filing date -
Jun 12, 1989
priority date (Note) -
Expired
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Abstract
Disclosed are novel compounds derived from 2,5-dimercapto-1,3,4-thiadiazole and one or two moles of polyolefin having 5 to 400 carbon atoms. Furthermore, the 5-position of the 2-mercapto-1,3,4-thiadiazole may be substituted by alkylthio, 2-hydroxyalkylthio, amino or hydroxy group. The compounds are effective dispersants, antiwear agents and antioxidants when incorporated into lubricating compositions.
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