Patents by Inventor Michael Wühr

Michael Wühr 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 lactamates by way of thin film evaporation
    Patent number: 8710217
    Abstract: A method is described for producing lactamates by reacting alcoholates with lactams, wherein a reaction mixture comprising at least one alcoholate and at least one lactam is subjected to thin film evaporation.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: April 29, 2014
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Hans Kasper, Stefan Schattner, Klaus Allgoewer, Bernd Kray, Michael Wuehr
  • Process for preparing carbodiimides
    Publication number: 20120123062
    Abstract: A method for producing compounds comprising at least one carbodiimide group is described, by reacting at least one isocyanate-containing starting compound or a derivative thereof, wherein the method is conducted in at least two stages.
    Type: Application
    Filed: May 3, 2010
    Publication date: May 17, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Anke Blaul, Bernd Kray, Michael Wuehr
  • METHOD FOR PRODUCING LACTAMATES BY WAY OF THIN FILM EVAPORATION
    Publication number: 20120071648
    Abstract: A method is described for producing lactamates by reacting alcoholates with lactams, wherein a reaction mixture comprising at least one alcoholate and at least one lactam is subjected to thin film evaporation.
    Type: Application
    Filed: February 5, 2009
    Publication date: March 22, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Hans Kasper, Stefan Schattner, Klaus Allgoewer, Bernd Kray, Michael Wuehr
  • Process for the production of Bis-DMTD
    Publication number: 20060168741
    Abstract: The present invention concerns a new improved process for the production of Bis-DMTD (5,5?-dithiobis-(1,3,4-thiadiazole-2-thiol)).
    Type: Application
    Filed: January 4, 2006
    Publication date: August 3, 2006
    Inventors: Wilhelm Laufer, Michael Wuehr, Patrick Galda, Walter Lemmin
  • Process for the preparation of pulverulent (poly)ureas
    Publication number: 20060058203
    Abstract: The present invention relates to a process for the preparation of (poly)urea powders.
    Type: Application
    Filed: August 5, 2005
    Publication date: March 16, 2006
    Inventors: Wilhelm Laufer, Michael Wuehr, Klaus Allgower, Patrick Galda
  • Process for inhibiting the emission of hydrogen sulfide and/or mercaptans from sulfurized organic compounds
    Patent number: 6528462
    Abstract: The present invention provides a process for inhibiting the emission of hydrogen sulfide and/or mercaptans from sulfurized organic compounds, which generally contain a high proportion of sulfur by treating the sulfurized organic compounds with organic hydroperoxides.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: March 4, 2003
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Ludger Heiliger, Alfred Pauli, Joachim Hegmann, Michael Wühr, Achim Fessenbecker, Kurt Schilling