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. 16, 1983
Filed:
Sep. 21, 1981
Applicant:
Inventor:
Dionisio G Cuisia, Chicago, IL (US);
Assignee:
Dearborn Chemical Company, Lake Zurich, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422 13 ; 210750 ; 252392 ; 422 16 ;
Abstract
A method for treating water to retard corrosion due to dissolved oxygen, especially boiler feed waters and boiler water condensates, is disclosed. Semicarbazide and its salts are highly effective oxygen scavengers for use in aqueous systems and thereby effect reduction of corrosion resulting from dissolved oxygen.