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.

Date of Patent:
Jun. 28, 2011

Filed:

Mar. 15, 2006
Applicants:

Satoshi Tanaka, Minami-ashigara, JP;

Makoto Takahashi, Minami-ashigara, JP;

Hideyuki Nishikawa, Minami-ashigara, JP;

Ichiro Nagata, Minami-ashigara, JP;

Inventors:

Satoshi Tanaka, Minami-ashigara, JP;

Makoto Takahashi, Minami-ashigara, JP;

Hideyuki Nishikawa, Minami-ashigara, JP;

Ichiro Nagata, Minami-ashigara, JP;

Assignee:

Fujifilm Corporation, Minato-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); C07D 271/06 (2006.01); C07D 413/14 (2006.01); C07D 251/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A compound useful for fabrication of retardation plates, which is represented by the formula (DI): wherein Yto Yrepresent methine or nitrogen; Rto Rrepresent a group of the formula (DI-A) below or others: wherein Ato Arepresent methine or nitrogen; Xrepresents oxygen, sulfur, methylene or imino; Lrepresents —O—, —C(═O)—, —O—CO—, —CO—O—, —O—CO—O—, —S—, —NH—, —SO—, —CH—, —CH═CH—, or —C≡C—; Lrepresents a divalent linking group; Qrepresents polymerizable group or hydrogen.


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