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:
Feb. 06, 1979
Filed:
Dec. 23, 1977
Applicant:
Inventors:
Raymond P Larsson, Denville, NJ (US);
Robert J Witonsky, Princeton, NJ (US);
Assignee:
Bio-Medical Sciences, Inc., Fairfield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 56 ; 252408 ; 422 58 ;
Abstract
A device for monitoring ethylene oxide sterilization processes comprising a wick means impregnated with an ethylene oxide responsive chemical compound, a pH sensitive dye and a quantifier mounted on a backing strip and sealed with a cover strip to form an envelope having one edge at which the wick means is exposed. The device is responsive to time, temperature and relative humidity as well as ethylene oxide concentration.