Patents by Inventor John M. Swarts

John M. Swarts 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).

  • Composition for rubberizing steel cords
    Patent number: 4148769
    Abstract: A rubber composition containing reinforcing pigment some of which is preferably silica pigment, sulfur, a vulcanization accelerator, litharge, and a cobalt salt, when coated on brass plated steel cords and vulcanized, adheres tenaciously and permanently to the cords, without the erratic adhesion previously obtained or loss of adhesion in humid atmospheres. A further improvement in adhesion is obtained by including a resorcinol resin in the composition.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: April 10, 1979
    Assignee: The B. F. Goodrich Company
    Inventors: John M. Swarts, Zion S. Lee
  • Method for rubberizing steel cords
    Patent number: 4068041
    Abstract: A rubber composition containing reinforcing pigment some of which is preferably silica pigment, sulfur, a vulcanization accelerator, litharge, and a cobalt salt, when coated on brass plated steel cords and vulcanized, adheres tenaciously and permanently to the cords, without the erratic adhesion previously obtained or loss of adhesion in humid atmospheres. A further improvement in adhesion is obtained by including a resorcinol resin in the composition.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: January 10, 1978
    Assignee: The B. F. Goodrich Company
    Inventors: John M. Swarts, Zion S. Lee