Patent · US Expired

Printing ink compositions

US4410364A · kind A · utility

44Cited by
13References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 19, 1981
Grant dateOct 18, 1983
Priority date
Expiry dateOct 19, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2223/065
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Printing inks are provided comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant. The organophilic clay gellant comprises the reaction product of an organic cation, an organic anion and a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay such that an organic cation - organic anion complex is intercalated with the smectite-type clay and the cation exchange sites of the smectite-type clay are substituted with the organic cation.

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