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:
Sep. 30, 2003
Filed:
Oct. 03, 2001
Matthias Buri, Rothrist, CH;
Patrick Schwarzentruber, Starrkirch-Will, CH;
Omya AG, Oftringen, CH;
Abstract
The present invention discloses a process for quantitative and/or qualitative determination of the microbial contamination of suspensions, emulsions or dispersions containing minerals and/or pigments and/or fillers and/or fiber materials wherein following the addition of one or more substances which can be degraded by microorganisms, mixing and optionally subsequent incubation a sample of the suspensions, emulsions or dispersions is centrifuged to separate the microorganisms from the minerals and/or fillers and/or pigments and/or fiber materials and the number and/or size and/or type of the microorganisms is determined in the aqueous supernatant phase after one or more incubations.