Patents by Inventor Archie E. Hamielec

Archie E. Hamielec 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 continuous bulk copolymerization of vinyl monomers
    Patent number: 4414370
    Abstract: A process to bulk polymerize vinylic monomers to prepare low molecular weight polymers employing thermal initiation at reaction temperatures from 235.degree. C. to 310.degree. C. and residence times of at least 2 minutes in a continuous stirred reactor zone containing the molten resin mix.
    Type: Grant
    Filed: January 6, 1982
    Date of Patent: November 8, 1983
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Archie E. Hamielec, Grant P. Lawless, Harold H. Schultz