Patents by Inventor Wilfried Pinke

Wilfried Pinke 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 producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
    Patent number: 7202384
    Abstract: The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: April 10, 2007
    Assignee: Bayer MaterialScience Aktiengesellschaft
    Inventors: Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Kartin Joschek, Tim Loddenkemper, Wilfried Pinke, Michael Schelhaas, Georg Ronge
  • Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
    Patent number: 7202378
    Abstract: The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: April 10, 2007
    Assignee: Bayer MaterialScience AG
    Inventors: Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper, Wilfried Pinke, Michael Schelhaas, Georg Ronge
  • Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
    Publication number: 20060183946
    Abstract: The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
    Type: Application
    Filed: April 7, 2006
    Publication date: August 17, 2006
    Inventors: Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper, Wilfried Pinke, Michael Schelhaas, Georg Ronge
  • Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
    Publication number: 20060178526
    Abstract: The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
    Type: Application
    Filed: April 7, 2006
    Publication date: August 10, 2006
    Inventors: Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper, Wilfried Pinke, Michael Schelhaas, Georg Ronge
  • Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate
    Patent number: 7057071
    Abstract: The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: June 6, 2006
    Assignee: Bayer MaterialScience AG
    Inventors: Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper, Wilfried Pinke, Michael Schelhaas, Georg Ronge
  • Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanate
    Publication number: 20030229252
    Abstract: The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
    Type: Application
    Filed: May 28, 2003
    Publication date: December 11, 2003
    Inventors: Joachim Zechlin, Kai Verkerk, Dietmar Wastian, Katrin Joschek, Tim Loddenkemper, Wilfried Pinke, Michael Schelhaas, Georg Ronge