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:
Mar. 23, 1976
Filed:
Sep. 20, 1973
Applicant:
Inventor:
Walter Precht, Towson, MD (US);
Assignee:
Martin Marietta Corporation, Rockville, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
148126 ; 75211 ;
Abstract
A process for pretreating metal powders for the preparation of dispersion hardened metal alloys whereby an iron, cobalt or nickel base metal powder is homogeneously mixed with a chromium powder and with a prealloyed metal carbide powder and granulated to a powder granulate. The granulate is then classified and reduced to remove oxygen present therein.