Patents by Inventor Linnea E. Nelson

Linnea E. 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).

  • Patent number: 4297475
    Abstract: Flame retardant intumescent polyamides comprising repeating structural units of the formulas ##STR1## wherein X is independently chloro or bromo, and n and n' are each independently a positive integer are disclosed.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: October 27, 1981
    Assignee: The Dow Chemical Co.
    Inventors: Linnea E. Nelson, Charles E. Reineke
  • Patent number: 4179298
    Abstract: Flame retardant intumescent polyamides comprising repeating structural units of the formulas ##STR1## wherein X is independently chloro or bromo, and n and n' are each independently a positive integer are disclosed.
    Type: Grant
    Filed: January 18, 1978
    Date of Patent: December 18, 1979
    Assignee: The Dow Chemical Company
    Inventors: Linnea E. Nelson, Charles E. Reineke