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Betz Laboratories, Inc.

Betzdearborn, Inc.

Walter J Burgess

Fu Chen

Wen P Liao

Paul R Hart

John C Harrington, Iv

A wheel cover for a vehicle wheel with a sprag clutch providing the connection to the cover so that the cover can overrun the wheel. A second clutch of the centrifugal type connects the sprag clutch to the vehicle wheel so that at elevated speeds the cover is not driven by the wheel.

Spinable wheel cover

A method of breaking oil-in-water and water-in-oil emulsions in crude oil processing systems in which copolymers incorporating a hydrophilic cationic monomer subunit and a lipophilic nonionic monomer subunit or dispersions or emulsions of cationic polymers and obverse demulsifiers are employed.

Copolmer formulations for breaking oil-and-water emulsions

A method for clarifying the laser print deinking loop water in a papermaking process by using a water soluble graft copolymer having the structure: ##STR1## wherein E is the repeat unit obtained after polymerization of an .alpha.,.beta. ethylenically unsaturated compound, the molar percentage of a:b is from about 95:5 to 5:95, with the proviso that the sum of a and b equals 100%; G comprises the structure: ##STR2## wherein d is a cationic monomer, R.sub.1, R.sub.2 and R.sub.3 are the same or different and are hydrogen or a lower alkyl group having C.sub.1 to C.sub.3, F is the salt of an ammonium cation and the molar percentage of c:d is from 95:5 to 5:95 with the proviso that the sum of c and d equals 100%.

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Phoenixville, PA, United States of America

Walter J Burgess