Patents by Inventor Donald L. Nelson

Donald L. Nelson 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).

  • Unsaturated polyester resins containing a dicyclopentadiene concentrate
    Patent number: 4029848
    Abstract: Unsaturated polyester resins are produced which are modified with a low cost dicyclopentadiene concentrate. They are equal to or superior to the known resins containing a high purity dicyclopentadiene concentrate.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: June 14, 1977
    Assignee: The Dow Chemical Company
    Inventor: Donald L. Nelson