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. 04, 2026
Filed:
Aug. 05, 2022
Ecolab Usa Inc., St. Paul, MN (US);
Oussama Zenasni, Houston, TX (US);
John Nathan Scholz, Sugar Land, TX (US);
Philip Andrew Thornthwaite, Wigan, GB;
Maria Dejesus Marquez, Houston, TX (US);
Ana Ferrer Carrera, Missouri City, TX (US);
Ashish Dhawan, Aurora, IL (US);
Ecolab USA Inc., St. Paul, MN (US);
Abstract
Compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, the polyamine compounds corresponding to the structure of Formula 1 or 2, or a salt thereof: wherein Xis —C(O)Ror —[C(RR)]—C(R)(X)—R; Xis —OH or —NH; Rand Rare independently hydrogen, alkyl, or —[C(RR)]—C(R)(X)—R; R, R, R, R, R, R, R, R, and Rare independently hydrogen or alkyl; Rand Rare independently Cto Calkyl or alkenyl; m and o are integers from 1 to 10; n is an integer from 1 to 6; and p is an integer from 1 to 10; wherein Xis —OH or —NH; R, R, R, R, R, R, and Rare independently hydrogen or alkyl; Ris Cto Calkyl or alkenyl; m and o are integers from 1 to 10; n is an integer from 1 to 6; and q is an integer from 0 to 10.