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. 21, 2025
Filed:
Mar. 29, 2019
Applicant:
Suez Groupe, Paris la Défense, FR;
Inventors:
Stéphanie Mourier, La Frette sur Seine, FR;
Eric Toledo, Achères, FR;
Assignee:
SUEZ GROUPE, Paris la Défense, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F 11/16 (2006.01); C23C 22/68 (2006.01); C23F 11/10 (2006.01); C23F 11/167 (2006.01); C23F 11/18 (2006.01); C23F 14/02 (2006.01);
U.S. Cl.
CPC ...
C23F 11/163 (2013.01); C23C 22/68 (2013.01); C23F 11/10 (2013.01); C23F 11/167 (2013.01); C23F 11/184 (2013.01); C23F 14/02 (2013.01);
Abstract
A process for preventing the formation of white rust on a steel surface at least partially coated with zinc includes a) bringing said surface, preferably under thermal load, into contact with an aqueous composition, the pH of which is between 6.5 and 8.5 comprising at least one organic acid of formula:R—X—OH (I)