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:
Mar. 10, 2009
Filed:
Jun. 03, 2005
Applicants:
Yutaka Ohmori, Ibaraki, JP;
Michie Sakamoto, Ibaraki, JP;
Shuusaku Nakano, Ibaraki, JP;
Takahisa Konishi, Ibaraki, JP;
Seiji Umemoto, Ibaraki, JP;
Inventors:
Yutaka Ohmori, Ibaraki, JP;
Michie Sakamoto, Ibaraki, JP;
Shuusaku Nakano, Ibaraki, JP;
Takahisa Konishi, Ibaraki, JP;
Seiji Umemoto, Ibaraki, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/13363 (2006.01); C08G 10/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retardation film according to the present invention consists of a single-layer film in which a birefringent chain polymer is oriented, the polymer having as a repeating unit (A), a structure represented by the following general formula (V):