Patents by Inventor David Frederick Aycock

David Frederick Aycock 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 producing blends of tackifying resins with low molecular weight polyphenylene ethers
    Patent number: 5922815
    Abstract: The present invention provides an improved process for producing blends of tackifying resins and low molecular weight polyphenylene ether resins. This invention involves combining the resin solutions or redissolving one of the resins once isolated, in the other resin solution and isolation of the resin blend by devolatilization, precipitation, evaporation, spray drying, and/or stripping of the organic solvent.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: July 13, 1999
    Assignee: General Electric Company
    Inventors: David Frederick Aycock, Gary Gelvin, Marc G. Davidson