Patents by Inventor Dirk Mackowiak

Dirk Mackowiak 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).

  • Producing ?,?-unsaturated aldehydes by means of a reaction mixing pump
    Patent number: 8563782
    Abstract: The invention relates to a method for producing ?,?-unsaturated aldehydes, wherein a catalytic aldol condensation of charged aldehydes is carried out in the presence of an aqueous base within a continuous-flow reactor. The aim of the invention is to provide a method for aldolizing aldehydes that can be carried out in a particularly economical manner. The aim is achieved by using a reaction mixing pump as the reactor.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: October 22, 2013
    Assignee: Evonik Oxeno GmbH
    Inventors: Alfred Kaizik, Hans-Gerd Lueken, Dirk Fridag, Wilfried Bueschken, Dirk Mackowiak, Frank Brocksien
  • PRODUCING ALPHA,BETA-UNSATURATED ALDEHYDES BY MEANS OF A REACTION MIXING PUMP
    Publication number: 20120190895
    Abstract: The invention relates to a method for producing ?,?-unsaturated aldehydes, wherein a catalytic aldol condensation of charged aldehydes is carried out in the presence of an aqueous base within a continuous-flow reactor. The aim of the invention is to provide a method for aldolizing aldehydes that can be carried out in a particularly economical manner. The aim is achieved by using a reaction mixing pump as the reactor.
    Type: Application
    Filed: August 3, 2010
    Publication date: July 26, 2012
    Applicant: Evonik Oxeno GmbH
    Inventors: Alfred Kaizik, Hans-Gerd Lueken, Dirk Fridag, Wilfried Bueschken, Dirk Mackowiak, Frank Brocksien