C - Chemistry – Metallurgy – 12 – Q
Patent
C - Chemistry, Metallurgy
12
Q
73/114, 150/16.1
C12Q 1/04 (2006.01) C12M 1/34 (2006.01)
Patent
CA 1158529
ABSTRACT An improved method for microbiological testing of a liquid sample in a device which comprises a casing having a vertical axis and containing a central chamber and transparent cells containing growth media distributed around the chamber. Each cell is connected to the chamber by a closure cup. A capillary constriction separates each pocket from the corresponding cell. The improvement comprises adding polyvinylpyrollidone to the transparent cells to stimulate a homogeneous bacterial growth.
362166
American Home Products Corporation
Swabey Ogilvy Renault
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