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:
Jan. 23, 1990
Filed:
Dec. 11, 1987
Applicant:
Inventor:
Gordon C Fischer, Angleton, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422-7 ; 252392 ;
Abstract
Corrosion of metals in a corrosive atmosphere is reduced by use of a corrosion inhibitor prepared from (1) amino substituted pyrazine compounds such as aminopyrazine and (2) at least one epoxy compound such as the glycidyl ether of a mixture of alkanols having from 12 to 14 carbon atoms.