Patents by Inventor Helmut Feichtner

Helmut Feichtner 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 and plant for manufacturing polyethylene-silane-copolymers
    Patent number: 9221934
    Abstract: The present invention relates to a process for manufacturing polyethylene-silane-copolymer conducted in a plant including at least one compressor unit and at least one reactor downstream of the compressor unit. The process includes the steps of (a) feeding a first feed stream including ethylene into the at least one compressor unit and subsequently to the at least one reactor, and (b1) feeding a second feed stream including at least one silane comonomer to the at least one reactor as front feed and/or (b2) feeding a second feed stream including at least one silane comonomer to the at least one reactor at at least one location along the reactor.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: December 29, 2015
    Assignee: Borealis AG
    Inventors: Helmut Feichtner, Bernt-Ake Sultan, Gabriel Ruess, Bjoern Voigt, Roger Carlsson, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Kjell Fossum, Thomas Hjertberg, Perry Nylander
  • Process and Plant for Manufacturing Polyethylene-Silane-Copolymers
    Publication number: 20150112032
    Abstract: The present invention relates to a process for manufacturing polyethylene-silane-copolymer conducted in a plant including at least one compressor unit and at least one reactor downstream of the compressor unit. The process includes the steps of (a) feeding a first feed stream including ethylene into the at least one compressor unit and subsequently to the at least one reactor, and (b1) feeding a second feed stream including at least one silane comonomer to the at least one reactor as front feed and/or (b2) feeding a second feed stream including at least one silane comonomer to the at least one reactor at at least one location along the reactor.
    Type: Application
    Filed: March 7, 2013
    Publication date: April 23, 2015
    Inventors: Helmut Feichtner, Bernt-Ake Sultan, Gabriel Ruess, Bjoern Voigt, Roger Carlsson, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Kjell Fossum, Thomas Hjertberg, Perry Nylander