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:
May. 31, 2011
Filed:
Aug. 26, 2008
Yasuko Iwakawa, Ibaraki, JP;
Tetsuo Inoue, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Shoichi Matsuda, Ibaraki, JP;
Yasuko Iwakawa, Ibaraki, JP;
Tetsuo Inoue, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Shoichi Matsuda, Ibaraki, JP;
Nitto Denko Corporation, Ibaraka-shi, Osaka, JP;
Abstract
A process for the producing a coating fluid of the present invention comprises a step of adjusting a pH of the coating fluid by mixing ammonium hydroxide into an acid solution containing a lyotropic liquid crystal compound and a solvent. Further, a process for the producing an optically anisotropic film of the present invention comprises a step of obtaining an optically anisotropic film by casting the coating fluid produced by the aforementioned process for production of the coating fluid in a thin film state, followed by drying.