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:
Oct. 18, 1977

Filed:

Mar. 11, 1975
Applicant:
Inventor:

Olof Alfred Vesterberg, Saltsjo-Duvnas, SW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12K / ; C12K / ;
U.S. Cl.
CPC ...
1951 / ; 1951 / ; 1951 / ; 195127 ;
Abstract

A method of investigating the effect of a biologically active agent, present in degrees of concentration increasing from one end to the other in an elongate carrier for the agent, said carrier being applied to microorganisms cultivated on an elongate continuous cultivating substance, the required concentration of the agent, for it to be effective, corresponding to the distance alongside said carrier over which growth of colonies of microorganisms is not visible.


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