Patent · US Expired

Emulsion ink for use in stencil printing

US5378739A · kind A · utility

12Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1992
Grant dateJan 3, 1995
Priority date
Expiry dateOct 30, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/0235
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A W/O emulsion ink for use in stencil printing is composed of an oil phase and a water phase with the respective ratios by wt. % thereof being (20 to 40):(80 to 60). The oil phase is composed of a solvent component containing a volatile solvent with an initial boiling point of 150.degree. to 210.degree. C. and a nonvolatile solvent, with the respective ratios by wt. % thereof being (10 to 30):(90 to 70), a coloring agent, a resin, and a surface-active agent, with the amount of the resin in the oil phase being in the range of 2 to 8 wt. % of the total weight of the emulsion.

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