Patents by Inventor Christopher E. Charleston

Christopher E. Charleston 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).

  • Golf ball cover compositions
    Patent number: 6103787
    Abstract: The present invention is directed to golf balls comprising a cover and a core, wherein the cover is formed from a blend which comprises a base ionomer resin and a color concentrate comprising a coloring agent and a carrier ionomer resin. The relationship between the acid content of the base ionomer resin (X), wherein (X) is at least about 15% by weight and the acid content of the carrier ionomer resin (Y) is X-Y.ltoreq.4. Golf balls made with covers having base ionomer resins and carrier ionomer resins meeting the above relationship exhibit superior durability characteristics, including a significant reduction flow front failures and delamination as compared to golf ball covers which do not meet the above relationship.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: August 15, 2000
    Assignee: Acushnet Company
    Inventors: Murali Rajagopalan, Kevin Harris, Padraic W. Elliott, Christopher E. Charleston