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. 13, 1994
Filed:
Oct. 21, 1992
Applicant:
Inventors:
Kee Van Sin, Lino Lakes, MN (US);
Carter Anderson, Eagan, MN (US);
Kellie Erbisch, Columbia Heights, MN (US);
Assignee:
Diametrics Medical, Inc., Roseville, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
204415 ; 20415317 ; 204400 ;
Abstract
A gaseous oxygen electrochemical sensing system sustains inter-electrode ionic conductivity by the use of a combination of an hydrophilic coating layer on a gas-permeable barrier or separation membrane to supply sufficient moisture to the electrolyte of an electrode system to activate the sensor and sustain proper operation.