Patents by Inventor Stephan D. Bryant

Stephan D. Bryant 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).

  • Synergistic microbicides containing ionene polymers and borates for the control of fungi on surfaces
    Patent number: 5087457
    Abstract: A mixture of an ionene polymer and a borate that is useful for the control of fungi. This microbicidal mixture is especially effective on the surfaces of wood, leather, plastics, paint, paper and paperboard, and textiles.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: February 11, 1992
    Assignee: Buckman Laboratories International, Inc.
    Inventors: Stephan D. Bryant, John Packer, Thomas D. Johnstone