Patent · US Expired

Compound, preparation and use

US6133366A · kind A · utility

8Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 1, 1998
Grant dateOct 17, 2000
Priority date
Expiry dateJun 1, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K23/16
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A dispersant which is a phosphate ester of a block copolymer of formula MeO(C.sub.2 H.sub.4 O).sub.m (PES).sub.n --H wherein PES is derived from .epsilon.-caprolactone, m is 5-60, n is 2-30 and the MW of MeO(C.sub.2 H.sub.4 O).sub.m is greater than the MW of (PES).sub.n and use in aqueous-based paints and printing inks.

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