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:
Jan. 05, 1999
Filed:
Jan. 20, 1998
Applicant:
Inventor:
Joseph P Dalmasso, Apex, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ;
U.S. Cl.
CPC ...
435 31 ; 435-4 ; 4352831 ; 4352874 ; 4352875 ; 422 50 ;
Abstract
A biological indicator including a plurality of metal carriers individually compartmentalized in a package, so that there are a plurality of different incremental population levels of a resistant test microorganism exposed at each site to test the efficacy of sterilization procedures. Preferably, the metal carriers have a surface which has been abraded, and the carriers are placed in a flat package having two parallel sides made of a material such as TYVEK.TM. that is permeable to, and unreactive with, the selected gas, such as H.sub.2 O.sub.2.