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:
May. 18, 1999
Filed:
Nov. 24, 1997
Applicant:
Inventor:
Adrian Parton, Exning, GB;
Assignee:
Severn Trent Water Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M / ;
U.S. Cl.
CPC ...
4352876 ; 4352877 ; 4352879 ; 4352975 ; 4353081 ; 435261 ; 435 30 ; 422101 ; 436177 ;
Abstract
A method and apparatus for filtering microorganisms from a sample and culturing the microorganisms employs a membrane filter (3) in a filter holder (10) in which holder the membrane filter is supported on an absorbent support (26) which is maintained in an expansible compressed state against the membrane filter so that any expansion of the membrane filter when wetted by a sample does not cause bubbling of the membrane filter away from its support entrapping air bubbles and so preventing supply of nutrient from culture medium supplied to the support from reaching the microorganisms on the membrane filter.