Patent ID: 6093864
Filing Date: 2000-07-25
Classification: C07C,C09K,H01L,H05B,Y10S

Abstract:
An aromatic dimethylidyne compound of the formula: ##STR54## wherein X and Y may be the same or different and are each an alkyl group having 1 to 4 carbon atoms, phenyl group, a substituted phenyl group, a cyclohexyl group, a substituted cyclohexyl group, a naphthyl group, a substituted naphthyl group, a pyridyl group or a substituted pyridyl group, wherein the substituent is an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group, and each substituted group may be substituted by a plurality of said substituent groups, and --Ar'-- is ##STR55##