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.

Date of Patent:
Apr. 04, 1995

Filed:

Dec. 06, 1993
Applicant:
Inventors:

Mikio Sato, Sodegaura, JP;

Futoshi Kawane, Sodegaura, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C12N / ; C12M / ;
U.S. Cl.
CPC ...
435 31 ; 435 29 ; 435 30 ; 436177 ; 436825 ; 436826 ; 210294 ; 210295 ; 210299 ; 210348 ; 210506 ; 2105001 ; 2105101 ;
Abstract

A method for measuring the number of living microorganisms in a specimen which comprises entrapping the microorganisms on a hydrophobic filter after the dyeing thereof, or alternatively dyeing the microorganisms after entrapping them on the hydrophobic filter, removing excessive coloring matter by washing, and then determining the number of the microorganisms by the degree of coloration thereof. A kit for measuring the number of living microorganisms which comprises a hydrophobic filter, a syringe to which the filter is fittable, a coloring matter solution, a cleaning solution, and a color reference table. The present invention enables the rapid and convenient measurement of the number of living microorganisms in the specimen without use of special equipment. In accordance with the present invention, the measurement is usually completed within ten minutes.


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Sato, Mikio. (1995). Method for rapid measurement of living microorganisms and measuring kit (U.S. Patent No. 5403720). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5403720

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