Corrosion inhibition

US6077460A · kind A · utility

Assignee

• BASF SE

Inventors

• Knut Oppenlander · Ludwigshafen, DE
• Günter Oetter · Bischofswerda, DE
• Rudi Kroner · Mannheim, DE
• Norbert Mahr · Schifferstadt, DE
• Hans-Jurgen Jatzek · Heidelberg, DE
• Klaus Taeger · Freinsheim, DE

Key dates

• Filing date: Jan 13, 1999
• Grant date: Jun 20, 2000
• Expiry date: Jan 13, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C23F11/149
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to the use of at least one compound of general formula (I), ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 independently of one another represent a hydrogen atom or an alkyl or alkenyl radical; R.sub.4 represents an alkyl or alkenyl radical, and n represents 1 to 5; or of an acid addition salt thereof, as an inhibitor of corrosion in the extraction, processing, storage and transportation of crude oil and natural gas, and to a process for the preparation of this compound.