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:
Jan. 03, 1989
Filed:
Dec. 09, 1986
Applicant:
Inventors:
Toshio Maekawa, Kanagawa, JP;
Hiroshige Yamauchi, Kanagawa, JP;
Takashi Toyota, Chiba, JP;
Akeo Sawayama, Tokyo, JP;
Masaaki Yamanaka, Chiba, JP;
Assignee:
Oji Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ; B32B / ; B32B / ; D21F / ;
U.S. Cl.
CPC ...
428328 ; 428511 ; 428535 ; 428908 ; 428910 ; 162138 ; 3461351 ; 427121 ;
Abstract
In an electrostatic recording material being composed of a multi-layered sheet support having an electroconductive layer and a dielectric layer formed successively thereon, the number of projections having a height of 10 .mu.m or more from the flat surface is limited to a maximum of 50 per 0.1 m.sup.2, so that the material has excellent properties and can produce prints of very high quality.