Patent · US Expired

Ink additives

US6652639B1 · kind B1 · utility

1Cited by

11References

6Claims

0Family size

Assignee

Idanit Technologies Ltd. · IL

Inventors

Moshe Frenkel · Jerusalem, IL
Eitan Cohen · Nes Ziona, IL

Key dates

Filing date	Mar 13, 2000
Grant date	Nov 25, 2003
Priority date	—
Expiry date	Mar 13, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D11/322
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An additive for a pigment based ink—jet printing composition which is used in conjunction with a printing head that comprises metallic components, is disclosed. The additive comprises a cationic component and an anionic component, and characterized in that the cationic component is a cationic surfactant. Preferred additives are those where the cationic component is C10-22alkyl trimethyl ammonium. Pigment-based ink—jet printing compositions comprising these additive are also described.

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