Patents by Inventor Joseph H. Bostwick

Joseph H. Bostwick 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).

  • Method for the oxidative treatment of textiles with activated peroxygen compounds
    Patent number: 4145183
    Abstract: The efficacy of the oxidative treatment of textile fabric surfaces with activated peroxygen compounds is improved by (1) coating the surface, particularly the stains thereon, with an adherent layer of a viscous anhydrous composition comprising a peroxide activator dispersed in water-soluble nonionic surfactant and (2) immersing the coated fabric in water containing activatable peroxygen compounds until the layer has disintegrated.
    Type: Grant
    Filed: November 11, 1977
    Date of Patent: March 20, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Joseph H. Bostwick