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. 04, 2005
Filed:
Dec. 28, 2001
Applicants:
Kei Mizutani, Sagimihara, JP;
Tetsuo Ichihashi, Sagimihara, JP;
Inventors:
Kei Mizutani, Sagimihara, JP;
Tetsuo Ichihashi, Sagimihara, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 530 ;
U.S. Cl.
CPC ...
Abstract
A film for releasing a polarizing plate, which has excellent transparency, silicone adhesion and processing work efficiency, and a small orientation angle, contains little optical foreign matter and is hardly scratched. This film comprises a coextruded polyester film comprising at least two layers and a silicone adhesive layer. The coextruded polyester film has a haze value of 4% or less and an orientation angle of 10° C. or less and contains 5 or less flyspecks having a long diameter of 90 μm or more per 0.3 m.