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. 14, 1999
Filed:
Aug. 01, 1997
Applicant:
Inventors:
Kenneth C Gross, Bolingbrook, IL (US);
John D Valentine, Cincinnati, OH (US);
Francis Markum, Joliet, IL (US);
Mary Zawadzki, Rouses Point, NY (US);
Charles Dickerman, Downers Grove, IL (US);
Assignees:
The United States of America as represented by the United States, , US;
University of Cincinnati, Cincinnati, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
250304 ; 250255 ; 250364 ;
Abstract
A method and apparatus are provided to concentrate and detect very low levels of radioactive noble gases from the atmosphere. More specifically the invention provides a method and apparatus to concentrate xenon, krypton and radon in an organic fluid and to detect these gases by the radioactive emissions.