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:
Dec. 04, 1984
Filed:
Nov. 04, 1982
Applicant:
Inventors:
Shigeo Okamoto, Suita, JP;
Tomoharu Shiozaki, Amagasaki, JP;
Assignee:
Kanzaki Paper Manufacturing Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
346207 ; 346226 ; 428326 ;
Abstract
A self-contained type pressure sensitive record sheet prepared by coating a substrate with a mixture of a color acceptor and microcapsules containing a color former in the form of a single layer and drying the resulting coating, the mixture containing 40 to 200 parts by weight, per 100 parts by weight of the microcapsules calculated as solids, of a pulp powder having a weight average fiber length of 20 to 80.mu., has well-balanced improved properties in respect of color forming ability, prevention of color smudging and printability.