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:
Nov. 22, 1983
Filed:
Nov. 12, 1981
Applicant:
Inventors:
Assignee:
Jujo Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
282 275 ; 428330 ; 428342 ; 4284777 ; 4284796 ; 428514 ; 428522 ;
Abstract
A color developing sheet for pressure-sensitive recording sheet containing in its color-developing layer an organic coreactant (color-developing agent), calcium carbonate and acrylamide-modified polyvinylalcohol with this construction the color developing sheet provides very much improved mark formation and improved printability such as high surface strength, rapid ink setting, etc..
Yamato, Noboru. (1983). Color-developing sheet for pressure-sensitive recording sheet (U.S. Patent No. 4416471). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4416471
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile