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:
Dec. 30, 1986
Filed:
Apr. 09, 1985
Applicant:
Inventors:
Robert H Shay, Kutztown, PA (US);
Kerry R Berger, Lehighton, PA (US);
Thomas S Bannos, Cumberland, RI (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ; C21D / ;
U.S. Cl.
CPC ...
148 165 ; 148 16 ; 148 166 ; 148 203 ;
Abstract
A process for heating steel under atmosphere for annealing or hardening wherein the atmosphere is generated by injecting a mixture of dimethyl ether and nitrogen into the furnace.