Patent · US Expired

Ink compositions

US6350795B1 · kind B1 · utility

19Cited by
43References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2000
Grant dateFeb 26, 2002
Priority date
Expiry dateJun 7, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/52
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An ink composition containing (1) a complex mixture of a urea compound and an alkylene oxide containing oxyalkylene compound wherein the conductive mixture optionally possesses a melting point of from about 60 to about 120° C.; (2) a polymeric binder with an optional melting point of from about 60 to about 115° C.; (3) a lightfastness component; (4) a lightfast antioxidant, and (5) a colorant.

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