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:
Apr. 19, 1994
Filed:
Dec. 18, 1991
Applicant:
Inventors:
Assignee:
Kyoto Daiichi Kagaku Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; C12Q / ; C12Q / ; C12Q / ;
U.S. Cl.
CPC ...
435 14 ; 422 57 ; 422 58 ; 435 16 ; 435 21 ; 435 26 ; 435 28 ; 435805 ; 436170 ;
Abstract
A device for colorimetric assay of at least one component in a liquid sample, which device comprises a support, a reagent layer formed on a part of one surface of the support and a sample-receiving layer which covers at least a part of the reagent layer and at least a part of the support surface, with which the timing of application of a sample on the device is automatically detected with accuracy.