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. 16, 1999
Filed:
Sep. 30, 1997
Applicant:
Inventors:
Martha Greenblatt, Highland Park, NJ (US);
Shouhua Feng, Changchun, CN;
Kandalam Ramanujachary, Mapleshade, NJ (US);
Pavel Shuk, Voronyanskaya, BY;
Assignee:
Rutgers, The State University, Piscataway, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01N / ; B01N / ;
U.S. Cl.
CPC ...
205788 ; 204421 ; 204424 ; 204427 ; 204430 ; 422 98 ;
Abstract
A humidity sensing device comprising a solid electrolyte evidencing proton conductivity includes HZr.sub.2 P.sub.3 O.sub.12 or a composite comprising HZr.sub.2 P.sub.3 O.sub.12 /ZrP.sub.2 O.sub.7. The humidity sensing device is operative over a temperature range from 25.degree. C.-600.degree. C. The humidity sensor is operated by an impedance-type cell.