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:
Jun. 08, 2004
Filed:
Apr. 09, 2002
Applicant:
Inventors:
Vijay N. Madi, Fairfield, OH (US);
Jerald W. Leeker, Trenton, OH (US);
Assignee:
AK Steel Corporation, Middletown, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/20 ;
U.S. Cl.
CPC ...
C02F 1/20 ;
Abstract
The present invention provides a process for the removal of hydrogen peroxide from spent pickle liquor used in a steel strip pickling process. The process utilizes an enclosed decomposition tank which includes a pickle liquor inlet pipe, an outlet pipe, at least one vent pipe, an internal baffle, and a heat source.