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:
Apr. 20, 1999
Filed:
Feb. 28, 1997
Applicant:
Inventor:
Armineh Khachatoorian, La Crescenta, CA (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 58 ; 422 61 ; 422 86 ; 422 87 ; 422294 ; 73 232 ; 436-1 ;
Abstract
A test pack for evaluating an ethylene oxide sterilization process, comprising an open ended fiber board tubular member, an end cap enclosing each end of said tubular member, said end caps defining a test chamber within the tubular member, one of said end caps having an opening to permit the egress of ethylene oxide into the test chamber. A fiber ball is inserted into the test chamber at a location remote from the end cap having the opening therein, and a chemical type sterilization indicator is placed within the test chamber.