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. 04, 2006
Filed:
Dec. 18, 2002
Takashi Iwasaki, Hanno, JP;
Takuya Yashuhara, Iruma, JP;
Kenji Nonaka, Tama, JP;
Sadatoshi Igaue, Tachikawa, JP;
Takashi Iwasaki, Hanno, JP;
Takuya Yashuhara, Iruma, JP;
Kenji Nonaka, Tama, JP;
Sadatoshi Igaue, Tachikawa, JP;
A-Son Enterprise, Inc., Tokyo, JP;
Tocom Corporation, Tokyo, JP;
Abstract
Disclosed herein is a front face erasable microcapsule magnetophoretic display sheet having a support and a solid dispersion layer provided on one surface of the support and composed of microcapsules having an average particle diameter of 50 to 650 μm, in which a liquid dispersion, a white pigment, additives and magnetic particles are encapsulated, and a binder. The magnetic particles include at least two kinds of magnetic particles different in particle diameter from each other. An erasing magnet for front face erasing and a writing magnet for front face erasable microcapsule magnetophoretic display sheet are also disclosed.