C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/61 (2006.01) C07D 521/00 (2006.01) C09K 8/54 (2006.01) C23F 11/14 (2006.01) E21B 41/02 (2006.01)
Patent
CA 2262871
The invention relates to the use of at least one compound of general formula (I), in which R1, R2 and R3 independently of one another represent a hydrogen atom or an alkyl or alkenyl radical; R4 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.
L'invention concerne l'utilisation d'au moins un composé représenté par la formule générale (I) dans laquelle R¿1?, R¿2? et R¿3?, indépendamment les uns des autres, représentent un atome d'hydrogène ou un radical alkyle ou alkényle, R¿4? représente un radical alkyle ou alkényle et n est 0 à 5, ou un de ses sels d'apport acide, en tant qu'inhibiteur de corrosion dans l'extraction, le traitement, la conservation et le transport d'huile brute et de gaz naturel, ainsi qu'un procédé servant à préparer ce composé.
Jatzek Hans-Jurgen
Kroner Rudi
Mahr Norbert
Oetter Gunter
Oppenlander Knut
Basf Aktiengesellschaft
Sim & Mcburney
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