Patents by Inventor Ted Pettijohn

Ted Pettijohn 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).

  • Polyolefin gas phase polymerization with 3-substituted C4-10-alkene
    Patent number: 8604142
    Abstract: An alkene interpolymer is prepared by polymerizing at least one 3-substituted C4-10 alkene and at least one C2-8 alkene in a gas phase polymerization using a polymerization catalyst system.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: December 10, 2013
    Assignee: Evonik Oxeno GmbH
    Inventors: Michael Grass, Ted Pettijohn, Stefan Buchholz, Gerhard Ellermann, Pal Bentzrod, Tore Dreng, Jarmo Lindroos
  • PE MIB SLURRY POLYMERISATION
    Publication number: 20120142882
    Abstract: An alkene interpolymer is prepared by polymerizing at least one 3-substituted C4-10 alkene and at least one C2-8 alkene in a slurry polymerization using a particulate catalyst system containing a single site catalyst.
    Type: Application
    Filed: January 12, 2010
    Publication date: June 7, 2012
    Applicant: Evonik Oxeno GmbH
    Inventors: Michael Grass, Ted Pettijohn, Stefan Buchholz, Gerhard Ellermann, Anne Britt Bjaland, Arild Follestad, Morten Lundquist
  • POLYOLEFIN GAS PHASE POLYMERIZATION WITH 3-SUBSTITUTED C4-10-ALKENE
    Publication number: 20120022223
    Abstract: An alkene interpolymer is prepared by polymerizing at least one 3-substituted C4-10 alkene and at least one C2-8 alkene in a gas phase polymerization using a polymerization catalyst system.
    Type: Application
    Filed: January 12, 2010
    Publication date: January 26, 2012
    Applicant: Evonik Oxeno GmbH
    Inventors: Michael Grass, Ted Pettijohn, Stefan Buchholz, Gerhard Ellermann, Pal Bentzrod, Tore Dreng, Jarmo Lindroos
  • Propylene polymers having agreeable odor characteristics and shaped articles thereof
    Publication number: 20050075457
    Abstract: A polymer composition is disclosed that comprises a propylene polymer having a melt flow index in the range from 4 to 120 decigrams/minute, di-t-amyl peroxide, and at least one decomposition product of said peroxide, whereby said composition has agreeable odor characteristics.
    Type: Application
    Filed: November 30, 2004
    Publication date: April 7, 2005
    Inventors: Stefan Koschmieder, Peter Frenkel, Ted Pettijohn