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:
May. 28, 1991
Filed:
Feb. 06, 1989
Applicant:
Inventors:
Joseph J Zupancic, Bensenville, IL (US);
Sandra L Petty-Weeks, West Chicago, IL (US);
Anthony J Polak, Lake Zurich, IL (US);
Assignee:
Allied-Signal Inc., Morris Township, Morris County, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 232 ; 73 2503 ;
Abstract
The amount of carbon monoxide or oxygen in a gas is measured by determining the change in dielectric properties of a polymer film disposed between two electrodes. A preferred polymer film comprises an organometallic gas carrier interdispersed within an interpenetrating polymer network matrix.