Aqueous dispersions containing cyclopolymer dispersants

US5571850A · kind A · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Sheau-Hwa Ma · West Chester, US
• San Hoa Thang · Clayton, AU
• Ezio Rizzardo · Melbourne, AU
• Graeme Moad · Sassafras, AU

Key dates

• Filing date: Jan 25, 1996
• Grant date: Nov 5, 1996
• Expiry date: Jan 25, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/326
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Aqueous dispersions which are particularly well suited for use as aqueous jet ink compositions having an aqueous carrier medium which comprises water or a mixture of water and at least one organic solvent, a particulate solid, preferably a pigment, and a cyclopolymer dispersant.