Title: Finely divided saponified ethylene-vinyl acetate interpolymers

Abstract: A process for the production of hydrolyzed ethylene-vinyl acetate interpolymers into spherical particles having a number average particle size of about 10 microns or less is provided using an acid as the hydrolyzing agent and a particular ethylene oxide-propylene oxide block copolymer as the dispersing agent.

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Inventors: McClain, Dorothee M. (Cincinnati, OH, US)
Vest, Betty L. (Covington, KY, US)

Application Number: 564199
Filing Date: 1975-04-01
Publication_date: 1976-08-03
Assignee: National Distillers and Chemical Corporation (New York, NY)
Primary Class(es): 525/353 525/60, 525/61, 525/62, 525/187, 525/330.6, 525/340, 525/344, 525/355, 525/383, 525/385, 526/201, 526/225, 526/331
Other Classes:
US Patent Ref:

2657201	Oct, 1953	Nebel	260/91.
3422049	Jan, 1969	McClain	260/29.
3547858	Dec, 1970	Worrall	260/87.

Other Refs: 88,404

Mar, 1972	DL

Primary Examiner: Levin, Stanford M.
Assistant Examiner:
Attorney: Tremain; Kenneth D.