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. 02, 1988
Filed:
Sep. 26, 1985
Applicant:
Inventor:
Young J Kwon, Fruit Heights, UT (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420422 ; 75 / ; 75 / ; 75 844 ; 75 845 ; 75228 ; 75245 ; 75251 ; 148 / ; 148133 ; 148421 ; 376900 ; 423 69 ; 423 76 ;
Abstract
This is a high quality zirconium or hafnium sponge, a fuel element cladding liner having material of the quality of this sponge and a process utilizing this quality sponge to fabricate liner material for lined fuel element cladding. The sponge contains 250-about 350 ppm of oxygen impurity, 50-300 ppm of iron impurity, and a total of 500-1,000 ppm of impurity. This material is much purer than conventional sponge and approaches the quality of crystal bar.