Patents by Inventor Petrus J. T. Alferink

Petrus J. T. Alferink 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).

  • Polymeric peroxycarbonates and process for making them
    Patent number: 5559162
    Abstract: The present invention relates to polymeric peroxycarbonates, a process for making the polymeric peroxycarbonates and initiator compositions comprising these polymeric peroxycarbonates. The polymeric peroxycarbonates of the present invention provide significant advantages in the polymerization of vinyl monomers.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: September 24, 1996
    Assignee: Akzo Nobel, NV
    Inventors: John Meijer, Petrus J. T. Alferink