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. 17, 1987
Filed:
Jan. 29, 1987
Applicant:
Inventors:
Robert Martinou, Bry sur Marne, FR;
Michel Ruimi, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23G / ;
U.S. Cl.
CPC ...
134-3 ; 134 28 ; 134 29 ; 134 41 ;
Abstract
A pickling bath for iron or nickel based heat-resistance alloy article having at least 3.5% molybdenum is disclosed. The bath consists of an aqueous solution of hydrochloric acid, nitric acid, acetic acid, phosphoric acid and further contains a ferric salt. Processes for using the bath to treat said alloy articles are also disclosed.