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. 19, 2014
Filed:
May. 19, 2011
Applicants:
Shoichi Matsuda, Ibaraki, JP;
Toru Umemoto, Ibaraki, JP;
Tadayuki Kameyama, Ibaraki, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Ibaraki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/60 (2006.01); C09K 19/54 (2006.01); C09K 19/52 (2006.01); C09K 19/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method of producing a liquid crystalline coating liquid that substantially does not contain a fine crystal. The method of producing a liquid crystalline coating liquid of the present invention contains a heating step of heating a treatment liquid containing a lyotropic liquid crystalline compound containing an impurity, and a solvent, a depositing step of depositing a deposit by cooling the treatment liquid after the heating step to a temperature lower than 40° C., and a removing step of removing the deposit from the treatment liquid.