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:
Aug. 16, 1994
Filed:
Dec. 20, 1993
Applicant:
Inventor:
John J Felten, Chapel Hill, NC (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
501 19 ; 501 20 ; 252514 ; 252518 ; 106-121 ; 106-128 ;
Abstract
A thick composition comprising a mixture of: (a) 30-80% wt. finely divided particles of palladium powder having a surface area of 3-10 square meters/gm and density of 0.5-0.7 grams/cc; (b) 2-10% wt. finely divided particles of a refractory inorganic binder; all of A and B being dispersed in (c) 68-10% wt. of an organic medium; wherein the firing temperature of the composition is from 800.degree.-950.degree. C. This thick film composition is useful for forming detector electrodes within hydrogen sensors.