Patents by Inventor Andy Mak

Andy Mak 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).

  • Reactor operability in a gas phase polymerization process
    Patent number: 8865847
    Abstract: Olefin polymerization is carried out with a single site polymerization catalyst in the presence of a continuity additive. The continuity additive is a cocktail containing one or more dialkanolamide derived from a fatty acid, an oil soluble sulfonic acid and a dialkanolamine.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: October 21, 2014
    Assignee: Nova Chemicals (International) S.A
    Inventors: Peter Phung Minh Hoang, Benjamin Milton Shaw, Andy Mak
  • REACTOR OPERABILITY IN A GAS PHASE POLYMERIZATION PROCESS
    Publication number: 20130296507
    Abstract: Olefin polymerization is carried out with a single site polymerization catalyst in the presence of a continuity additive. The continuity additive is a cocktail containing one or more dialkanolamide derived from a fatty acid, an oil soluble sulfonic acid and a dialkanolamine.
    Type: Application
    Filed: April 19, 2012
    Publication date: November 7, 2013
    Applicant: NOVA CHEMICALS (INTERNATIONAL) S.A.,
    Inventors: Peter Phung Minh Hoang, Benjamin Milton Shaw, Andy Mak