Patent · US Expired

Process for treating pigments

US5055500A · kind A · utility

12Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 24, 1989
Grant dateOct 8, 1991
Priority date
Expiry dateOct 24, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2367/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester material of the treated blend is linear, contains a sulfomonomer, and has an average particle size of less than 1 .mu.m.

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