Patents by Inventor Mark E. Hayford

Mark E. Hayford 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 forming a transparent coating on rubber articles
    Patent number: 5182142
    Abstract: A method for molding rubber articles having a transparent coating thereon which includes coating the outer surface of an uncured rubber article with an aqueous composition containing a preformed latex binder, an emulsifying agent, an inorganic fluoro-containing compound having a refractive index of from 1.32 to 1.49 and a thickening agent and thereafter vulcanizing the coated rubber article. The resultant coated rubber article is free of surface defects.
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: January 26, 1993
    Assignee: Wacker Silicones Corporation
    Inventors: George M. Hart, Mark E. Hayford
  • Transparent coating for rubber articles
    Patent number: 5066703
    Abstract: Aqueous coating compositions for applying to rubber articles comprising latex, an emulsifying agent, an inorganic fluoro-containing compound as a filler, which has a refractive index of from 1.32 to about 1.49, a thickening agent, and a compound which imparts mechanical stability to the composition. The composition is applied to the surface of rubber articles prior to molding to impart air venting and release properties thereto and to provide a clear, transparent coating thereon.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: November 19, 1991
    Assignee: Wacker Silicones Corporation
    Inventors: George M. Hart, Mark E. Hayford