Patent ID: 6930183

Claim:
A compound of the formula: wherein: R 1 is selected from the group consisting of alkenyl moieties of from 3 to 32 carbon atoms; R 2 , R 3 , and R 4 are independently selected from the group consisting of hydrogen, alkyl moieties of from 3 to 32 carbon atoms, and alkenyl moieties of from 3 to 32 carbon atoms; and R 5 , R 6 , R 7 , and R 8 are independently selected from the group consisting of hydrogen; unsubstituted phenyl; phenyl substituted with one or more alkyl groups; phenyl substituted with one or more alkoxy groups; phenyl substituted with one or more alkyl amino or aryl amino groups; naphthyl and alkyl substituted naphthyl; straight chain or branched chain alkyl or alkenyl groups containing from one to twenty carbon atoms; and cyclic alkyl groups.