Patent · US Expired

Water-based ink compositions

US4954556A · kind A · utility

23Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1989
Grant dateSep 4, 1990
Priority date—
Expiry dateNov 20, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/03
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed herein are water-based ink compositions comprising an emulsion polymer and a rewetting agent comprising a substantially high amount of a surfactant.

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