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:
Aug. 23, 1988
Filed:
Apr. 09, 1985
Applicant:
Inventors:
Assignee:
Solvay & Cie, S.A., Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422 12 ; 134-3 ; 134 10 ; 422-7 ; 210490 ;
Abstract
Process for inhibiting the corrosion of a mass of metal (2) in contact with an acid bath (3) containing ferric ions, according to which at least a part of the bath (3) is circulated through a stack of felts (10) made of carbon or graphite, alternating with perforated plates made of iron or an iron alloy (9). The process applies to the pickling of metallurgical products made of steel in hydrochloric acid baths.