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:
Oct. 11, 1994
Filed:
Nov. 23, 1992
Applicant:
Inventors:
Assignees:
Kokusai Chart Corporation, , US;
Nisshinbo Industries, Inc., , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428216 ; 428336 ; 428339 ; 428480 ; 428483 ; 428206 ; 4283044 ; 428913 ; 428914 ;
Abstract
A recording sheet having high resistance to water and no tendency to curl, which makes high-density and high-accuracy recording possible by making use of a water-based pen in a high humidity and/or high temperature environment, or in an environment where temperature changes greatly, the recording sheet being formed in such a way that an ink absorbing layer or a printing layer is provided on at least one side of a substrate formed of a foamable polyester film.