Patent · US Active

Dispersants

US8772435B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 2006
Grant dateJul 8, 2014
Priority date
Expiry dateFeb 4, 2029

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K23/28
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to dispersants for dispersing a particulate solid for millbases, paints and inks. The present invention provides a composition containing a particulate solid, a polar organic medium and a compound or salts thereof for formula T-(A)m(B)n—X—Z-Q(0-p) wherein T is hydrogen or a polymerization terminating group; A is the residue of a hydroxy carboxylic acid or lactone thereof; B is the residue of an amino carboxylic acid; X is a direct bond or a divalent group; Z is an acidic or basic group or a moiety which contains an acidic or basic group; Q is an optional residue of an oxide, urea or a dibasic acid or anhydride thereof; m and n are positive integers; and p represents the number of residual amino and/or imino groups in Z.

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