The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 19, 2016
Filed:
Oct. 12, 2011
Agathagelos Kyrlidis, Cambridge, MA (US);
Alexander I. Shakhnovich, Arlington, MA (US);
Qingling Zhang, Billerica, MA (US);
Joseph B. Carroll, Glen Allen, VA (US);
Agathagelos Kyrlidis, Cambridge, MA (US);
Alexander I. Shakhnovich, Arlington, MA (US);
Qingling Zhang, Billerica, MA (US);
Joseph B. Carroll, Glen Allen, VA (US);
Cabot Corporation, Boston, MA (US);
Abstract
The present invention relates to surface modified organic black pigments, surface modified carbon blacks, pigment mixtures and dispersions formed with these pigments, curable compositions, black matrices, and products incorporating them. The surface modified organic black pigment can have attached at least one organic group having the formula -X-Z, wherein X, which is directly attached to the pigment, represents an arylene group, a heteroarylene group, an alkylene group, an aralkylene group, or an alkarylene group, and Z represents at least one ionic group, at least one ionizable group, at least one nonionic group, at least one polymeric group, or any combinations thereof. Also disclosed are carbon black pigment combinations with the surface modified organic black pigments, low dielectric black dispersions, films, and black matrices containing them. Methods of preparing and making these various materials also are provided.