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:
Dec. 19, 2023
Filed:
Aug. 05, 2021
Applicant:
Clariant International, Ltd., Muttenz, CH;
Inventors:
Dirk Leinweber, Kelkheim, DE;
Tobias Platen, Hochheim am Main, DE;
Nihal N. Obeyesekere, Houston, TX (US);
Matthias Krull, Harxheim, DE;
Assignee:
CLARIANT INTERNATIONAL LTD, Muttenz, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/00 (2006.01); C09K 8/54 (2006.01); C08G 63/685 (2006.01);
U.S. Cl.
CPC ...
C09K 8/54 (2013.01); C08G 63/6856 (2013.01); C09K 2208/32 (2013.01);
Abstract
Use of complex polyester amines and polyester quaternary ammonium compounds as corrosion inhibitors for metal surfaces, and a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibitor.