Patent · US Active

Modified colorants and inkjet ink compositions comprising modified colorants

US8858695B2 · kind B2 · utility

27Cited by

69References

20Claims

0Family size

Assignee

Cabot Corporation · US

Inventors

Feng Gu · Ellicott City, US
James A. Belmont · Acton, US
Elizabeth G. Burns · Windham, US
Paul S. Palumbo · Newton, US
Barry B. Corden · Boston, US
Yuan Yu · North Billerica, US
Ervina Halim · Needham, US

Key dates

Filing date	Oct 31, 2006
Grant date	Oct 14, 2014
Priority date	—
Expiry date	Mar 12, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L101/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.

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