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:
Aug. 17, 2004
Filed:
Dec. 22, 1999
Applicant:
Inventors:
Masahiko Murayama, Minami-ashigara, JP;
Yosuke Nishiura, Minami-ashigara, JP;
Yoshiharu Yabuki, Minami-ashigara, JP;
Hiroyuki Mori, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1337 ; G02F 1/1333 ; C09K 1/900 ;
U.S. Cl.
CPC ...
G02F 1/1335 ; G02F 1/1337 ; G02F 1/1333 ; C09K 1/900 ;
Abstract
An optical compensatory sheet comprises a cellulose acetate support and an optically anisotropic layer. The optically anisotropic layer contains a discotic liquid crystal molecule. The cellulose acetate support has a Bth birefringence in the range of 0.0007 to 0.004.