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:
Jul. 12, 1977
Filed:
May. 07, 1976
Applicant:
Inventor:
Stephen H Stoldt, Dover, NJ (US);
Assignee:
Apollo Chemical Corporation, Whippany, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; C23C / ;
U.S. Cl.
CPC ...
427252 ; 44 67 ; 60 3902 ; 204181 ; 427 34 ; 427250 ; 427423 ; 428667 ;
Abstract
A method of inhibiting hot sulfidation corrosion of a metal surface and modifying the characteristics of any deposit thereon comprises the step of applying to such metal surface and any deposit thereon an inhibitor-modifier. The inhibitor-modifier is a mixture of chromium oxide and manganese oxide, the combustion product of a solution containing a soluble chromium compound and a soluble manganese compound, or a combination of the mixture and combustion product. The mixture and the solution contain chromium and manganese in a molar ratio of at least 1:1.