Patents by Inventor Oliver Pfohl

Oliver Pfohl 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).

  • Separation of isomeric menthol compounds
    Patent number: 9024079
    Abstract: The invention relates to a process for rectificative separation of compositions of matter containing diastereomers of 2-isopropyl-5-methylcyclohexanol by using ionic liquids as extractants.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: May 5, 2015
    Assignee: LANXESS Deutschland GmbH
    Inventors: Reinhold Brink, Lutz Heuer, Sven Kuhlmann, Martin Mechelhoff, Oliver Pfohl
  • Method for the distillative purification of slow-evaporating fluids
    Patent number: 8277615
    Abstract: The present invention relates to a method for removing volatile compounds from sparingly volatile fluids by means of rectification using an auxiliary and also to separation methods and chemical reactions in which sparingly volatile fluids are used, the purification of which is effected by means of rectification and using an auxiliary.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: October 2, 2012
    Assignee: Bayer Technology Services GmbH
    Inventors: Gerhard Ruffert, Oliver Pfohl, Marcus Grün
  • Method For the Distillative Purification of Slow-Evaporating Fluids
    Publication number: 20080283383
    Abstract: The present invention relates to a method for removing volatile compounds from sparingly volatile fluids by means of rectification using an auxiliary and also to separation methods and chemical reactions in which sparingly volatile fluids are used, the purification of which is effected by means of rectification and using an auxiliary.
    Type: Application
    Filed: March 21, 2006
    Publication date: November 20, 2008
    Applicant: BAYER TECHNOLOGY SERVICES GMBH
    Inventors: Gerhard Ruffert, Oliver Pfohl, Marcus Grun