Sim K. Lim - Stamford CT
Arnold E. Bloomquist - Crystal Lake IL
Raymond J. Schaper - Pittsburgh PA
Calgon Corporation - Pittsburgh PA
Self-inverting emulsion polymers and their use as drainage aids, retention aids, saveall flotation aids and process water flocculants. The polymers are copolymers and homopolymers based on acrylamide, polymerized in the presence of water, an inert hydrophobic liquid, free radical catalyst and an emulsifier having a HLB of at least 7.