Patent · US Active

Method of preparing encapsulated pigment dispersions with monomers which have a lower critical solution temperature

US8859644B2 · kind B2 · utility

0Cited by

14References

16Claims

0Family size

Assignee

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

Inventors

Michael Stephen Wolfe · Wilmington, US
Waifong Liew Anton · Wilmington, US
Hee Hyun Lee · Wilmington, US

Key dates

Filing date	Dec 15, 2011
Grant date	Oct 14, 2014
Priority date	—
Expiry date	Dec 15, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2006/22
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Processes for encapsulating pigment dispersions is described and are used in inkjet inks providing stability with regard to heat aging test conditions and solvent challenges. Prints from these inks have better durability than prints made from dispersions that are not encapsulated.

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