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:
Oct. 13, 1992
Filed:
Sep. 16, 1991
Applicant:
Inventors:
Tilak V Bommaraju, Grand Island, NY (US);
Robert G Adams, Niagara Falls, NY (US);
Assignee:
Occidental Chemical Corporation, Niagara Falls, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
252387 ; 422 13 ;
Abstract
Disclosed is a method of inhibiting the electrochemical corrosion of stainless steel immersed in an aqueous solution of about 20 to about 40 wt % alkali metal hydroxide at a temperature of less than 100.degree. C. About 2 to about 500 ppm of sodium borohydride, hydrazine, or a mixture thereof is added to the aqueous solution.