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.:

US 7901851 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 08, 2011

Filed:

Nov. 20, 2006
Applicants:

Yuki Mizukawa, Kanagawa, JP;

Toru Fujimori, Shizuoka-ken, JP;

Yasuhiro Kato, Kanagawa, JP;

Inventors:

Yuki Mizukawa, Kanagawa, JP;

Toru Fujimori, Shizuoka-ken, JP;

Yasuhiro Kato, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/20 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dye polymer prepared by polymerizing one or more pigment monomer represented by formula (I), or a dye polymer prepared by copolymerizing one or more pigment monomer represented by formula (I) and one or more monomer having one ethylene group. [R: H, chlorine atom, alkyl group, or aryl group; L: —N(R)C(═O)—, —OC(═O)—, —C(═O)N(R)—, —C(═O)O—, or a group represented by formula (II), formula (III), or formula (IV); R: H, alkyl group, aryl group, or hetero cyclic group; L: divalent coupler for coupling Land Dye; n=0 or 1, m=0 or 1; Dye: pigment residue]


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