Patents by Inventor Guy Charles Emery

Guy Charles Emery 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 the preparation of a master mixture for a powder composition with a polyvinyl chloride base
    Patent number: 4116908
    Abstract: The present invention relates to a process for the preparation of master batches used for the compounding of additives into raw PVC (polyvinyl chloride) before fabrication. More particularly, it relates to the process of the preparation of master batches involving a minimum of thermal degradation.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: September 26, 1978
    Inventor: Guy Charles Emery