Patents by Inventor Robin M. F. Jones

Robin M. F. Jones 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).

  • Crystalline alumina orthodontic bracket
    Patent number: 5109586
    Abstract: An orthodontic bracket is made from crystalline alumina, preferably crystalline alpha-alumina. The bracket comprises a base member for attaching to a tooth and a body member extending from the base member. The body member includes walls that define an archwire groove. The walls comprise crystalline alumina. The bracket has sufficient strength to withstand normal torquing forces imparted by an archwire.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: May 5, 1992
    Assignee: Johnson & Johnson Consumer Products, Inc.
    Inventors: Robin M. F. Jones, Carl Panzera, Robert D. DeLuca
  • Adhesive primer for alumina brackets
    Patent number: 4826430
    Abstract: The adhesive strength of alumina brackets to acrylic adhesive cements is enhanced by forming an essentially silica coating on the bonding surface of the bracket by the steps of coating said surface with an organosilicon compound such as a silane and then pyrolyzing the organosilicon coating to volatilize the organic components thereof to thereby leave an essentially silica coating.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: May 2, 1989
    Assignee: Johnson & Johnson Consumer Products, Inc.
    Inventors: Albert C. Chen, Robert D. DeLuca, Robin M. F. Jones, Donald S. Mueller, Mary S. Yeganeh
  • Orthodontic brackets made from ion exchange strengthened glass
    Patent number: 4784606
    Abstract: Orthodontic brackets are made from ion exchange strengthened glass. In a preferred embodiment, the glass is a lithium alumino silicate srengthened with sodium ions.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: November 15, 1988
    Assignee: Johnson & Johnson Consumer Products, Inc.
    Inventors: Robin M. F. Jones, Carl Panzera, Robert D. DeLuca
  • Crystalline alumina orthodontic bracket
    Patent number: 4639218
    Abstract: There is disclosed an orthodontic bracket including a base member for attaching to a tooth and a body member extending from the base member. The body member includes walls that define an archwire groove. The walls are made of single crystal alumina. Preferably, the entire bracket is made of single crystal alumina, and most preferably, single crystal alpha-alumina or sapphire.
    Type: Grant
    Filed: June 12, 1985
    Date of Patent: January 27, 1987
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robin M. F. Jones, Robert D. DeLuca, Carlino Panzera
  • Process for producing a dental restoration
    Patent number: 4461618
    Abstract: A process for producing a dental restoration wherein a bonding agent is disclosed for bonding dental porcelain to a nickel-containing metal core. The bonding agent is aluminum powder and an inert organic liquid carrier.
    Type: Grant
    Filed: November 10, 1982
    Date of Patent: July 24, 1984
    Assignee: Johnson & Johnson Dental Products Company
    Inventors: Robert D. DeLuca, Robin M. F. Jones