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:
Nov. 17, 2009
Filed:
Oct. 15, 2004
Applicants:
Yumi Hada, Amagasaki, JP;
Hiroyuki Kido, Amagasaki, JP;
Masaharu Nojima, Amagasaki, JP;
Inventors:
Assignee:
OJI Paper Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/30 (2006.01); B41M 5/41 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermal recording sheet comprising, on one surface of square, transparent film, a thermal recording layer containing leuco dye and a coloration agent and a protection layer mainly containing water-based resin, wherein corner parts () including at least one marked corner part () are provided at its four corners. The corner parts () respectively have end edges each with radius of curvature of at least 5 mm, and the end edge of the marked corner part () is provided substantially with a maximum radius of curvature or a minimum radius of curvature.