Patent · US Expired

Pigment composition

US4698099A · kind A · utility

24Cited by
15References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1986
Grant dateOct 6, 1987
Priority date
Expiry dateJan 23, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/0086
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

There is provided a new pigment composition composed of a pigment and a dispersant wherein the dispersant is a phosphoric ester compound represented by the formula below. ##STR1## (where one or more than one of the three R's are hydroxyl-terminated polyester residues obtained by self-polycondensation of a hydroxy-carboxylic acid; and one or two of the three R's, in case of being remained, are hydrogen atoms, cations, or residues of an alcohol excluding the above-mentioned polyesters.)

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