Patents by Inventor Adrianus Alphonsus Kusters

Adrianus Alphonsus Kusters 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).

  • Polyphenols as polycarbonate branching agents
    Patent number: 5948876
    Abstract: Branched polycarbonates are prepared by the reaction of a linear or branched polycarbonate with a branching resin having a molecular weight up to about 3,000, typically a novolak or a bisphenol polymer. The reaction preferably takes place in the presence of a carbonate equilibration catalyst such as a quaternary bisphenolate.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: September 7, 1999
    Assignee: General Electric Company
    Inventors: Raphael Mestanza, Patrick Joseph McCloskey, Theodorus Lambertus Hoeks, Adrianus Alphonsus Kusters, Pin-Pin Wu, Ye-Gang Lin