Patents by Inventor Robert Augustine Smith

Robert Augustine Smith 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).

  • Filler/silicone oil masterbatch with treating agent for RTV polysiloxanes
    Patent number: 6288143
    Abstract: A method for preparing the first component of a two-component room temperature-vulcanizable (RTV) silicone composition comprises (a) preparing a filler/oil masterbatch by (i) adding an unreactive silicone oil and untreated, aggregated filler particles to a mixer; (ii) adding a filler treating agent such as an organosilane, a polyorganosilane or a silazane to the unreactive silicone oil/filler mixture; and (iii) mixing the unreactive silicone oil/filler mixture and treating agent under conditions sufficient to breakdown the aggregated filler particles to an average size of less than about 300 nm for a time of less than about 24 hours to form the filler/oil masterbatch; and (b) adding said filler/oil masterbatch to a reactive silicone oil.
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: September 11, 2001
    Assignee: General Electric Company
    Inventors: Paul J. Caradori, Robert Augustine Smith, Michael Allen Zumbrum