Patent · US Expired

Method of producing resin powder

US4206161A · kind A · utility

6Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1977
Grant dateJun 3, 1980
Priority date
Expiry dateOct 13, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J3/122
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method of producing resin powder in which a resin solution prepared by dissolving a resin in a water-miscible solvent is sprayed from a nozzle while spraying water from another nozzle located close to the first-said nozzle so as to form fine emulsified droplets of said resin solution in water, then at least a substantial portion of the water-miscible solvent in said emulsified droplets is rapidly transferred into water to produce a suspension of resin powder. The suspension is then filtered. Apparatus for practicing this method is also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.