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. 04, 1989
Filed:
Feb. 07, 1986
Applicant:
Inventors:
Karl Wefers, Upper Burrell Township, Armstrong County, PA (US);
Frank A Mozelewski, Lower Burrell, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148 131 ; 148 206 ;
Abstract
A heat treating method comprising providing metal with a polymeric barrier coating, which acts as a barrier against diffusion of reactive species and which, upon thermal decomposition, acts as an oxygen getter or reducing agent, thus extending its protection past its point of thermal stability.