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:
Nov. 19, 1996
Filed:
Aug. 17, 1995
Applicant:
Inventor:
Michael Renner, Leichlingen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148606 ; 148605 ; 148529 ;
Abstract
A method of preventing corrosion damage at weld joints, in the heat affected zones of weld joints, and in heat-treated zones of components made of stainless steels having chromium contents .gtoreq.12% by weight, which comprises exposing weld joints and the heat affected zones of the weld joints, or the heat-treated zones, to a water vapor atmosphere at temperatures of 100.degree. to 250.degree. C. for five to sixty minutes.