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:
Apr. 26, 1977
Filed:
Mar. 21, 1975
Applicant:
Inventors:
Assignee:
Kanzaki Paper Manufacturing Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ;
U.S. Cl.
CPC ...
428325 ; 427150 ; 428336 ; 428539 ;
Abstract
In a copy sheet for use in a pressure sensitive manifold sheet comprising support having coated thereon a layer of electron accepting reactant material, an improvement which is characterized in that said electron accepting reactant material is a calcined activated clay which is pulverized in water to particle size reduced by at least 10% based on the mean particle size thereof before the pulverization and has a mean particle size of 1 to 10 .mu..