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:
Mar. 17, 1998
Filed:
Aug. 02, 1996
Sony Corporation, Tokyo, JP;
Abstract
The present invention is to provide a thermal transfer inksheet with excellent antistatic properties and shelf stability, which are given by using a polyvinyl acetal resin of a polyvinyl alcohol unit concentration at 12% by weight or less as the binder of the thermally resistant lubricant layer and by using a tetraammonium salt as the antistatic agent. The thermal transfer inksheet contains a substrate, a thermally transferable ink layer formed on one face of the substrate, a thermally resistant lubricant layer formed on the other face of the substrate which contains a polyvinyl acetal resin and a tetraammonium salt wherein the vinyl alcohol unit concentration in the polyvinyl acetal resin is 12% by weight or less.