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:
Feb. 13, 1979
Filed:
Mar. 02, 1977
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In an electro-optic display which utilizes the electrochromism phenomenon of a transition metal oxide, an organic solvent for an electrolyte in contact with the transition metal oxide comprises at least one member selected from the group consisting of ketones represented by the chemical formula of C.sub.n H.sub.2n+1 COC.sub.m H.sub.2m+1 wherein n = 1, 2 and m = 2 .about. 4; alkyl acetates represented by the chemical formula of CH.sub.3 COOC.sub.n H.sub.2n+1 wherein n = 2, 3; ethylene glycol monoalkoxy acetates represented by the chemical formula of CH.sub.3 COOCH.sub.2 CH.sub.2 OC.sub.n H.sub.2n+1 wherein n = 1, 2; and diethylene glycol monoalkoxy acetates represented by the chemical formula of CH.sub.3 COOCH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 OC.sub.n H.sub.2n+1 wherein n = 1 .about. 4.