Patents by Inventor Frank Bok

Frank Bok 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).

  • Process for the preparation of nitrated aromatics and mixtures thereof
    Patent number: 9079822
    Abstract: A process for the preparation of mononitroaromatics and dinitroaromatics, in which a hydrate melt of at least one metal nitrate M(NO3)3 is used as a nitrating medium, it being possible for M to be the metals Fe, Cr, Y, La, Ce, Al, Bi and In, and the metal nitrate having a water content of from 4 to 9 mol of water per M(NO3)3, leads to simplifications of the process and improved yields.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: July 14, 2015
    Assignee: BASF SE
    Inventors: Wolfgang Mackenroth, Johannes Buettner, Eckhard Stroefer, Wolfgang Voigt, Frank Bok
  • PROCESS FOR THE PREPARATION OF NITRATED AROMATICS AND MIXTURES THEREOF
    Publication number: 20150166461
    Abstract: A process for the preparation of mononitroaromatics and dinitroaromatics, in which a hydrate melt of at least one metal nitrate M(NO3)3 is used as a nitrating medium, it being possible for M to be the metals Fe, Cr, Y, La, Ce, Al, Bi and In, and the metal nitrate having a water content of from 4 to 9 mol of water per M(NO3)3, leads to simplifications of the process and improved yields.
    Type: Application
    Filed: February 23, 2015
    Publication date: June 18, 2015
    Applicant: BASF SE
    Inventors: Wolfgang MACKENROTH, Johannes BUETTNER, Eckhard STROEFER, Wolfgang VOIGT, Frank BOK
  • PROCESS FOR THE PREPARATION OF NITRATED AROMATICS AND MIXTURES THEREOF
    Publication number: 20110306795
    Abstract: A process for the preparation of mononitroaromatics and dinitroaromatics, in which a hydrate melt of at least one metal nitrate M(NO3)3 is used as a nitrating medium, it being possible for M to be the metals Fe, Cr, Y, La, Ce, Al, Bi and In, and the metal nitrate having a water content of from 4 to 9 mol of water per M(NO3)3, leads to simplifications of the process and improved yields.
    Type: Application
    Filed: February 26, 2010
    Publication date: December 15, 2011
    Applicant: BASF SE
    Inventors: Wolfgang Mackenroth, Johannes Buettner, Eckhard Stroefer, Wolfgang Voigt, Frank Bok