Title: Method of making invert water-in-oil emulsion

Abstract: A simplified procedure for making a water-in-oil emulsion involving passing the water and oil through an open face centrifugal pump, passing the pump effluent through a nozzle, and repeating these two steps until an emulsion is formed.

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Inventors: Newingham, Thomas D. (West Chester, PA, US)
Recchuite, Alexander D. (Boothwyn, PA, US)

Application Number: 628853
Filing Date: 1975-11-05
Publication_date: 1977-02-22
Assignee: Sun Oil Company of Pennsylvania (Philadelphia, PA)
Primary Class(es): 516/24 252/75, 516/25, 516/56, 516/58
Other Classes:
US Patent Ref:

2068136	Jan, 1937	Hulbert	252/314.
2332934	Oct, 1943	Rollo et al.	252/314.
2684949	Jul, 1954	McMillan et al.	252/314.
2744870	May, 1956	Stillebroer et al.	252/309.
3234143	Feb, 1966	Waldmann	252/309.
3799884	Mar, 1974	Young	252/314.

Other Refs: 764,918

Jan, 1957	UK

Primary Examiner: Lovering, Richard D.
Assistant Examiner:
Attorney: Hess; J. Edward, Johnson; Donald R., Lipsitz; Paul