Patents by Inventor Hans-Jurgen Jatzek

Hans-Jurgen Jatzek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Corrosion inhibition
    Patent number: 6077460
    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.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: June 20, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Oppenlander, Gunter Oetter, Rudi Kroner, Norbert Mahr, Hans-Jurgen Jatzek, Klaus Taeger