Patents by Inventor David Kaczan

David Kaczan 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).

  • Patent number: 8308975
    Abstract: A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a method that includes the step of reacting the epoxidized oil with the organic acid in the presence of the Lewis base catalyst.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: November 13, 2012
    Assignee: BASF SE
    Inventors: Yeonsuk Roh, Rajesh Kumar, Cheng-Le Zhao, David Kaczan, Theodore Michael Smiecinski
  • Publication number: 20120041089
    Abstract: A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a method that includes the step of reacting the epoxidized oil with the organic acid in the presence of the Lewis base catalyst.
    Type: Application
    Filed: October 25, 2011
    Publication date: February 16, 2012
    Inventors: Yeonsuk Roh, Rajesh Kumar, Cheng-Le Zhao, David Kaczan, Theodore M. Smiecinski
  • Patent number: 8084631
    Abstract: A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a method that includes the step of reacting the epoxidized oil with the organic acid in the presence of the Lewis base catalyst.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: December 27, 2011
    Assignee: BASF SE
    Inventors: Yeonsuk Roh, Rajesh Kumar, Cheng-Le Zhao, David Kaczan, Theodore M. Smiecinski
  • Publication number: 20090286896
    Abstract: A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a method that includes the step of reacting the epoxidized oil with the organic acid in the presence of the Lewis base catalyst.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 19, 2009
    Inventors: Yeonsuk Roh, Rajesh Kumar, Cheng-Le Zhao, David Kaczan, Theodore M. Smiecinski