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:
Jun. 12, 1990
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Hajime Hara, Fujisawa, JP;
Shingo Orii, Kawasaki, JP;
Tetsuo Satoh, Yokohama, JP;
Tomohiro Toya, Yokohama, JP;
Shigeki Iida, Yokohama, JP;
Assignee:
Nippon Oil Company, Limited, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G02F / ; C09K / ;
U.S. Cl.
CPC ...
430 20 ; 430 19 ; 428-1 ; 3503 / ; 350346 ;
Abstract
A rewritable or repeatedly employable recording medium having a base and a recording layer film provided on said base, characterized in that said recording layer film is formed by a thermotropic cholesteric liquid crystal polyester.