Patent · US Active

Process for preparing polyester emulsions

US9201321B2 · kind B2 · utility

4Cited by
11References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 2013
Grant dateDec 1, 2015
Priority date
Expiry dateMar 8, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09392
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A phase inversion emulsification process includes dissolving a polyester resin in a mixture comprising (1) an organic solvent, (2) a first portion of a total amount of neutralizing agent, and (3) a first portion of water, neutralizing the dissolved polyester resin with a second portion of neutralizing agent, the second portion of neutralizing agent including the remaining amount of the total amount neutralizing agent, forming an emulsion by adding a second portion of water after the neutralizing step, and removing a portion of the organic solvent from the emulsion to provide a latex.

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