Patent · US Expired

Modified pigment products and black matrixes comprising same

US7175946B2 · kind B2 · utility

7Cited by
38References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2003
Grant dateFeb 13, 2007
Priority date
Expiry dateAug 10, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133512
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention describes modified pigment products comprising a pigment having attached at least one photopolymerizable group and at least one ionic or ionizable group. Dispersions, black matrixes, and resin compositions comprising these modified pigment products are also disclosed.

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