Patents by Inventor Ralf Schimetzek

Ralf Schimetzek 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).

  • Method for producing alkyl nitrites and alkyl dinitrites
    Patent number: 7314948
    Abstract: In a continuous process for the preparation of alkyl nitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: January 1, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Steffen Kudis, Rene Lochtman, Manfred Ehresmann, Michael Keil, Joachim Gebhardt, Michael Rack, Ralf Schimetzek
  • Method for producing alkyl nitrites and alkyl dinitrites
    Publication number: 20040199003
    Abstract: In a continuous process for the preparation of alkylnitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.
    Type: Application
    Filed: January 29, 2004
    Publication date: October 7, 2004
    Inventors: Steffen Kudis, Rene Lochtman, Manfred Ehresmann, Michael Keil, Joachim Gebhardt, Michael Rack, Ralf Schimetzek