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. 26, 2010
Filed:
Mar. 31, 2004
Takashi Date, Tokyo, JP;
Junpei Natsui, Tokyo, JP;
Yoshimi Midorikawa, Tokyo, JP;
Tatsuo Nagai, Tokyo, JP;
Yoshihide Kimura, Tokyo, JP;
Takashi Date, Tokyo, JP;
Junpei Natsui, Tokyo, JP;
Yoshimi Midorikawa, Tokyo, JP;
Tatsuo Nagai, Tokyo, JP;
Yoshihide Kimura, Tokyo, JP;
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Abstract
The present invention is a thermally sensitive recording medium containing a thermally sensitive color developing layer containing a colorless or pale colored basic leuco dye and a color-developing agent as the main components on a substrate, wherein the thermally sensitive recording layer contains an acrylic polymer obtained by the copolymerization of an alkyl acrylate, alkyl methacrylate and vinylsilane as monomer components and a colloidal. Further, the present invention is a thermally sensitive recording medium, wherein the colloidal silica possesses a chain structure.