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. 09, 1988
Filed:
Mar. 24, 1987
Applicant:
Inventors:
Robert G Martinez, Lake Jackson, TX (US);
Duane S Treybig, Lake Jackson, TX (US);
Terry W Glass, Richwood, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
252-8555 ; 252390 ; 252392 ; 422-7 ; 422 16 ;
Abstract
The thermally rearranged oligomers prepared by the reaction of an .alpha.,.beta.-ethylenically unsaturated aldehyde with organic amines are thermally rearranged to give a more thermally stable product with labile amino hydrogens available for further reaction, after reaction with a carboxylic acid, organic halide or an epoxide containing compound are employed as corrosion inhibitors in a process for preventing corrosion of ferrous metals in contact with corrosive brine, oil and gas well fluids.