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:
Oct. 30, 2012
Filed:
Dec. 27, 2006
Hideaki Nitta, Chiyoda-ku, JP;
Masahiro Murakami, Chiyoda-ku, JP;
Kunio Hatanaka, Chiyoda-ku, JP;
Takatsune Yanagida, Chiyoda-ku, JP;
Hironobu Katoh, Chiyoda-ku, JP;
Kinji Hasegawa, Chiyoda-ku, JP;
Hideaki Nitta, Chiyoda-ku, JP;
Masahiro Murakami, Chiyoda-ku, JP;
Kunio Hatanaka, Chiyoda-ku, JP;
Takatsune Yanagida, Chiyoda-ku, JP;
Hironobu Katoh, Chiyoda-ku, JP;
Kinji Hasegawa, Chiyoda-ku, JP;
Teijin Chemicals, Ltd., Tokyo, JP;
Abstract
A polycarbonate resin film which has an average thickness of 10 to 150 μm, a thickness nonuniformity of 2% or less, a retardation R(589) in the plane of the film measured at a wavelength of 589 nm of 12 nm or less, a retardation Rth(589) in the thickness direction of the film measured at a wavelength of 589 nm of 35 nm or less and is used for optical purposes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile