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:
Dec. 25, 2018
Filed:
Sep. 08, 2011
Tomohiro Mori, Ibaraki, JP;
Minoru Miyatake, Ibaraki, JP;
Takashi Kamijo, Ibaraki, JP;
Shusaku Goto, Ibaraki, JP;
Takeharu Kitagawa, Ibaraki, JP;
Tomohiro Mori, Ibaraki, JP;
Minoru Miyatake, Ibaraki, JP;
Takashi Kamijo, Ibaraki, JP;
Shusaku Goto, Ibaraki, JP;
Takeharu Kitagawa, Ibaraki, JP;
NITTO DENKO CORPORATION, Osaka, JP;
Abstract
A method of producing a thin polarizing film having an excellent polarization degree includes, forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate to prepare a laminate, subjecting the laminate to underwater stretching in an aqueous solution of boric acid and stretching the laminate while drying the laminate after the underwater stretching.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile