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:
Jan. 08, 1985
Filed:
Apr. 19, 1982
Applicant:
Inventors:
David N Duhl, Newington, CT (US);
Xuan Nguyen-Dinh, Phoenix, AZ (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420448 ;
Abstract
The microstructural stability of nickel base alloys at high temperatures is nhanced by the addition of cobalt within the range of 10.0 to 14.9 weight percent for reducing the precipitation of the sigma phase in alloys with more than 12 weight percent chromium. The nickel-base alloys having cobalt addition in the range as set forth are characterized by an electron vacancy number within the range of 2.4 to 2.7 inclusive.
Duhl, David. (1985). Enhanced microstructural stability of nickel alloys (U.S. Patent No. 4492672). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4492672
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile