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:
Jun. 20, 2000
Filed:
Jan. 13, 1999
Applicant:
Inventors:
Knut Oppenlander, Ludwigshafen, DE;
Gunter Oetter, Frankenthal, DE;
Rudi Kroner, Mannheim, DE;
Norbert Mahr, Ludwigshafen, DE;
Hans-Jurgen Jatzek, Heidelberg, DE;
Klaus Taeger, Freinsheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C04B / ; C23F / ;
U.S. Cl.
CPC ...
252392 ; 508285 ; 106 1414 ; 106 1415 ; 106 1431 ; 422 12 ;
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.