Polyether glycol derivatives of 2,5-dimercapto-1,3,4-thiadiazole
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United States of America Patent
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Aug 11, 1992
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N/A
app pub date -
May 9, 1991
filing date -
May 9, 1991
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Expired
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Abstract
Disclosed are novel compounds prepared by reacting molar equivalents of polyether glycol with maleic anhydride and then reacting the intermediate with 2,5-dimercapto-1,3,4-thiadiazole. The compounds are dispersants or detergents, antiwear agents and antioxidants when incorporated into lubricating compositions.
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