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. 13, 1976
Filed:
Jan. 18, 1974
Applicant:
Inventors:
Assignee:
Nippon Steel Corporation, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427226 ; 427372 ; 427383 ; 427403 ; 427404 ; 427405 ; 427419 ;
Abstract
A process of treating metals with coatings capable, upon heating, of providing and maintaining a controlled atmosphere around the surfaces of said metals which process comprises coating the surfaces of said metals with base coating composition capable, upon heating, of providing a gas, and then with an over-coating composition capable of maintaining the gas around the surfaces of the metals at high temperatures while excluding an environmental oxidizing atmosphere therefrom, and thereafter heating the coated metals in the oxidizing atmosphere.