1
Julius H Deutsch: Emulsion polymerization with sulfonated alkoxylated alkyl arylol maleates. Stepan Chemical Company, Hill Van Santen Steadman Chiara & Simpson, January 20, 1981: US04246387 (27 worldwide citation)

Emulsion polymerization is carried out with reactive surfactants comprised of ring sulfonated maleate half esters of alkoxylated alkyl arylols.


2
Julius H Deutsch: Sulfonated alkoxylated alkyl arylol maleate reactive surfactants. Stepan Chemical Company, Hill Van Santen Steadman Chiara & Simpson, September 23, 1980: US04224455 (13 worldwide citation)

New reactive surfactants or emulsifiers useful in a broad range of emulsion polymerization processes are provided, along with processes for making and using such. The reactive surfactants are comprised of ring sulfonated half esters of maleic anhydride with alkoxylated alkyl arylols.