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. 09, 1991
Filed:
Dec. 21, 1987
Applicant:
Inventors:
Keiko Kato, Saitama, JP;
Shigeki Kageyama, Saitama, JP;
Yoshikazu Amano, Saitama, JP;
Fuminori Arai, Saitama, JP;
Harumi Katsuyama, Saitama, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ;
U.S. Cl.
CPC ...
435-4 ; 435 25 ; 435 26 ; 435 27 ; 435 28 ; 435805 ; 436810 ; 436904 ; 422 55 ; 422 56 ; 422 57 ;
Abstract
A dry-type analytical element suitable for measuring enzyme activity of in a liquid sample, characterized by incorporating a polyacrylamide, polymethacrylamide or their derivatives into at least one water-permeable layer. The background concentration of the dry-type analytical element exhibits minimal increase even under a fluorescent light, and allows an accurate measured value to be easily obtained.