Patents by Inventor Mary H. Pulliam

Mary H. Pulliam 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).

  • Additives for nonaqueous liquids
    Patent number: 4573488
    Abstract: Homopolymers and copolymers of butylene oxide having a molecular weight of at least about 1 million are employed as drag reducing agents in nonaqueous liquids.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: March 4, 1986
    Assignee: The Dow Chemical Company
    Inventors: Donna B. Carville, Edwin R. Feig, Gene D. Rose, Mary H. Pulliam