Patents by Inventor Kyriacos Agapiou

Kyriacos Agapiou 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).

  • Process for transitioning between incompatible polymerization catalysts
    Patent number: 5672665
    Abstract: This invention relates to a process for transitioning between incompatible polymerization catalyst systems. Particularly, the invention relates to a process for transitioning from an olefin polymerization reaction utilizing a traditional Ziegler-Natta catalyst system to a metallocene-olefin polymerization reaction.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: September 30, 1997
    Assignee: Exxon Chemical Patents, Inc.
    Inventors: Agapios Kyriacos Agapiou, Michael Elroy Muhle, Gary Thomas Renola
  • Process for transitioning between incompatible polymerization catalysts
    Patent number: 5672666
    Abstract: This invention relates to a process for transitioning between polymerization catalyst systems which are incompatible with each other. Particularly, the invention relates to a process for transitioning from an olefin polymerization reaction utilizing a traditional Ziegler-Natta catalyst system to a metallocene-olefin polymerization reaction.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: September 30, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Michael Elroy Muhle, Agapios Kyriacos Agapiou, Gary Thomas Renola