1988: New polymer syntheses. 29. Thermotropic (co)polyesters of 2-phenylthioterephthalic acid and various diphenols
1988: New polymer syntheses. 30. Thermotropic polyesters of 2-(2-naphthylthio)terephthalic acid
1993: New polymer syntheses. LXVI. Copolyester of 4-hydroxybenzoic acid and 3-(4'-hydroxyphenoxy)benzoic acid or 4-(3'-hydroxyphenoxy)benzoic acid