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. 05, 2016
Filed:
Dec. 23, 2011
Per-erik Hellberg, Svenshogen, SE;
Natalija Gorochovceva, Hjälteby, SE;
Per-Erik Hellberg, Svenshogen, SE;
Natalija Gorochovceva, Hjälteby, SE;
AKZO NOBEL CHEMICALS INTERNATIONAL B.V., Amersfoort, NL;
Abstract
The present invention relates to the use of a product obtainable by the reaction of a fatty acid, or mixture of acids, having the formula RCOOH (I); and a dicarboxylic acid or a derivative thereof having the formula (IIa) or (IIb) with an alkoxylated fatty amine having the formula (III) or a partial or wholly quaternized derivative thereof; optionally said reaction between the fatty acid, the dicarboxylic acid and the alkoxylated fatty amine is being followed by a further reaction step wherein part or all of the nitrogen atoms are quaternized by reaction with an alkylating agent RX; as a corrosion inhibitor for metal surfaces. The present invention also relates to such products and to methods for their production.