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:
Sep. 13, 2005
Filed:
Mar. 27, 2002
Tomofumi Tokiyoshi, Yokohama, JP;
Shota Amasaki, Kasugai, JP;
Masaaki Shimizu, Tokyo, JP;
Nobuyasu Sasaguri, Chiba, JP;
Kenji Yanagisawa, Amagasaki, JP;
Tomofumi Tokiyoshi, Yokohama, JP;
Shota Amasaki, Kasugai, JP;
Masaaki Shimizu, Tokyo, JP;
Nobuyasu Sasaguri, Chiba, JP;
Kenji Yanagisawa, Amagasaki, JP;
Oji Paper Co., Ltd., Tokyo, JP;
Abstract
A coated paper sheet having a coating layer formed on one or two surfaces of a substrate paper sheet and containing a pigment and a binder, wherein the pigment includes kaolin particles having an average particle size of 0.3 to 1.5 μm and an aspect ratio L/W (L: major axis, W: minor axis of the particles) in the range of 5 to 50; the binder contains (a) a copolymer having a glass transition temperature Tg of 10 to 60° C. and a single phase structure and/or a synthetic polymeric compound having a core-shell composite structure; the coating layer surfaces have a 75 degree specular glossiness of 50% or more; and the air permeability of the coated paper sheet is 7000 seconds or less, is useful as printing sheet especially for gravure printing.