Patent · US Expired

Ink compositions

US6176911A · kind A · utility

7Cited by
11References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 28, 1999
Grant dateJan 23, 2001
Priority date
Expiry dateApr 28, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/38
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed is an ink composition which comprises (1) water; (2) a colorant; and (3) an additive selected from the group consisting of monoalkylamido quaternary ammonium salts and mixtures thereof.

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