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.

Date of Patent:
Nov. 22, 2011

Filed:

Nov. 19, 2009
Applicants:

Juanita M. Cassidy, Duncan, OK (US);

Keith A. Frost, Duncan, OK (US);

Inventors:

Juanita M. Cassidy, Duncan, OK (US);

Keith A. Frost, Duncan, OK (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Methods and compositions are provided that inhibit the corrosion of metal surfaces by aqueous acid solutions. The inhibition is basically achieved by the addition of a reaction product of an alpha, beta-unsaturated aldehyde or ketone with a primary or secondary amine to the aqueous acid solution.


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