Patent · US Expired

Aqueous ink composition

US6666913B2 · kind B2 · utility

19Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 2001
Grant dateDec 23, 2003
Priority date
Expiry dateSep 21, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/037
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The main object is to provide a water-based ink composition which is not only superior in hiding power but also has satisfactory writing properties. This invention relates to a water-based ink composition comprising a powder consisting of inorganic particles comprising at least one of aluminum oxide, titanium dioxide and boron nitride and water.

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