C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 417/14 (2006.01) C10M 133/16 (2006.01) C10M 135/36 (2006.01)
Patent
CA 2079646
Disclosed are novel compounds prepared by reacting 2,5-dimercapto-1,3,4-thiadiazole with maleic anhydride and N-polyethylene amine-substituted succinimide. The compounds are dispersants or detergents, antiwear agents and antioxidants when incorporated into lubricating compositions. The novel compounds have the structural formula (See formula I) wherein x=0 to 4, and R represents an alkenyl radical having from 8 to 400 carbon atoms.
Smart & Biggar
Vanderbilt (r.t.) Company Inc.
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