Patent · US Active

Dispersant-encapsulated particulate solids

US7981950B2 · kind B2 · utility

1Cited by

9References

27Claims

0Family size

Assignee

Fujifilm Imaging Colorants, Inc. · GB

Inventors

John O'Donnell · Blackley, GB
Stephen Yeates · Macclesfield, GB
Tom Annable · Manchester, GB

Key dates

Filing date	Nov 24, 2004
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Feb 4, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K23/22
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A process for preparing a modified particulate solid comprising reacting a dispersant with a compound in the presence of a particulate solid and a liquid medium, characterised in that: The process provides a modified particulate solid having improved stability which is particularly useful for liquid vehicles having and range of polarities and for incorporation into ink jet printing inks.

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