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. 15, 2000
Filed:
Feb. 18, 1999
Applicant:
Inventors:
Walter Juda, Lexington, MA (US);
Charles W Krueger, Cambridge, MA (US);
R Todd Bombard, Pelham, MA (US);
Assignee:
Walter Juda Associates, Inc., Needham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ; C22F / ;
U.S. Cl.
CPC ...
148678 ; 75715 ; 75741 ; 205640 ; 205660 ; 205685 ;
Abstract
A new method of creating thin free-standing pin hole-free hydrogen-selective palladium-bearing membranes that comprises thinning cold-rolled membranes by chemical etching or electrochemically electrolyzing of at least one membrane surface, and novel membranes produced thereby and including membranes with selected portions only thereof so thinned.