Patent · US Active

Ink composition

US9822268B2 · kind B2 · utility

1Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2015
Grant dateNov 21, 2017
Priority date
Expiry dateApr 22, 2036

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/40
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

There is provided an ink composition including: a predetermined dye (C-1); a dye (C-2) containing at least one of C.I. Direct Blues 86 and 199; an alkylene oxide adduct of an acetylene glycol having a main chain of 12 or more carbon atoms; an acetylene glycol having a main chain of 10 or more carbon atoms; and a polyoxyalkylene alkyl ether, in which the content ratio A of the dye (C-1) and the dye (C-2) (the dye (C-1):the dye (C-2)) is 7:3 to 9.5:0.5, and the content of the dye (C-1) is 2.0 mass % to 5.0 mass %.

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