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. 10, 1993
Filed:
May. 26, 1989
Applicant:
Inventors:
William Rostoker, Homewood, IL (US);
Julius J Bonini, Munster, IN (US);
Gary W Klimczak, Lemont, IL (US);
Assignee:
Rostoker, Inc., Burnham, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427431 ; 427432 ; 427435 ; 4272481 ; 148242 ; 148278 ;
Abstract
A method for forming a carbide coating of Group IVA, VA and VIA transition metals and their alloys. The metal to be coated is heated in a bath of molten alkali or alkaline earth metal containing carbon. There is also provided a method for preparing a metal surface for carburization by heating the metal in a nitrogen-containing atmosphere.