Patent · US Expired

Dye preparations

US6117224A · kind A · utility

7Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 1998
Grant dateSep 12, 2000
Priority date
Expiry dateDec 3, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41M5/3858
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Dye compositions useful as inks for the inkjet and sublimation transfer printing processes comprise, based on the weight of the composition, from 0.1 to 30 wt % of one or more dyes selected from the class of the anthraquinones or quinophthalones which are free from ionic groups, from 0.1 to 20 wt % of a dispersant based on an arylsulfonic acid-formaldehyde condensation product and, optionally, water.

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