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:
Jul. 14, 1987
Filed:
Aug. 08, 1985
Applicant:
Inventors:
Shigeo Okamoto, Suita, JP;
Tomoharu Shiozaki, Amagasaki, JP;
Assignee:
Kanzaki Paper Manufacturing Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
503214 ; 503219 ; 503225 ; 503226 ; 427150 ;
Abstract
A self-contained type pressure sensitive record sheet prepared by coating a substrate with a mixture of microcapsules containing a color former and an inorganic solid acid as a color acceptor and drying the resulting coating, the mixture containing 10 to 30% by weight of polyvinyl alcohol based on the weight of the inorganic solid acid.