Phenolic derivatives of 2,5-dimercapto-1,3,4-thiadiazoles
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United States of America Patent
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Jan 5, 1993
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N/A
app pub date -
Jul 26, 1991
filing date -
Jul 26, 1991
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Abstract
Disclosed are novel compounds prepared by reacting 2,5-dimercapto-1,3,4-thiadiazole, aliphatic or aromatic aldehyde and alkylated phenol in the molar ratio of 1:1:1 to 2:2:1. The 2,5-dimercapto-1,3,4-thiadiazole may be substituted in the 2-position by terpene, polymeric and succinate residues. The compounds are effective antiwear agents and antioxidants when incorporated into lubricating compositions.
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