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:
Apr. 30, 1991
Filed:
Mar. 14, 1989
Applicant:
Inventors:
Kathryn E Hogue, Corning, NY (US);
Srinivas H Swaroop, Painted Post, NY (US);
Raja R Wusirika, Painted Post, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75235 ; 75232 ; 419-2 ; 419 19 ; 428469 ; 4284722 ; 4285395 ;
Abstract
A cured sintered porous metal structure comprising aluminum and aluminum alloys is presented comprising an aluminum oxide durable surface integral to the structure. The surface layer is enhanced in aluminum while the underlying structure is thereby depleted in aluminum. The structure exhibits surface and interfacial durability.