Patents by Inventor Mary W. Pilkington

Mary W. Pilkington 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).

  • Emulsion systems for imparting durable press properties to cotton and cotton-polyester blended textiles
    Patent number: 4092106
    Abstract: Cotton and cotton-blended fabrics are impregnated with an emulsion containing an N-methylolated urea resin, a Lewis-acid catalyst, an emulsifying agent, and softener in a water-chlorinated solvent formulation to impart improved durable press properties.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: May 30, 1978
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Ralph J. Berni, Ruth R. Benerito, Mary W. Pilkington