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. 12, 2006
Filed:
Oct. 28, 2002
Applicants:
Hideaki Tanaka, Saitama, JP;
Yoshihide Iwaki, Saitama, JP;
Yoshiki Sakaino, Saitama, JP;
Kazuya Kawasaki, Saitama, JP;
Yoshikazu Amano, Saitama, JP;
Inventors:
Hideaki Tanaka, Saitama, JP;
Yoshihide Iwaki, Saitama, JP;
Yoshiki Sakaino, Saitama, JP;
Kazuya Kawasaki, Saitama, JP;
Yoshikazu Amano, Saitama, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 31/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a dry analytical element using a water-soluble indicator which improves measuring accuracy, which comprises a water-impermeable support, a water-permeable layer and a spreading layer having a function to spread a liquid uniformly, wherein a water-soluble indicator for colorimetry is incorporated into the s preading layer.