Patents by Inventor Paul C. Chiu

Paul C. Chiu 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 and system for selectively staining dental composite resin
    Patent number: 6960084
    Abstract: A method and system for selectively staining dental composite materials includes an applicator (104) and a disclosing agent (102). In one embodiment, the applicator (104) provides the disclosing agent (102) to a tooth surface and a composite filling of the tooth. The composite filling is selectively stained to reveal the presence and location of the composite filling. In another embodiment, the tooth surface is selectively stained to reveal the presence and location of the composite filling.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: November 1, 2005
    Inventors: Paul C. Chiu, Catherine Hoffmann
  • Method and system for selectively staining dental composite resin
    Publication number: 20030152891
    Abstract: A method and system for selectively staining dental composite materials includes an applicator (104) and a disclosing agent (102). In one embodiment, the applicator (104) provides the disclosing agent (102) to a tooth surface and a composite filling of the tooth. The composite filling is selectively stained to reveal the presence and location of the composite filling. In another embodiment, the tooth surface is selectively stained to reveal the presence and location of the composite filling.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 14, 2003
    Inventors: Paul C. Chiu, Catherine Hoffmann
  • Method and system for selectively staining dental composite resin
    Patent number: 6579096
    Abstract: A method and system for selectively staining dental composite materials includes an applicator (104) and a disclosing agent (102). In one embodiment, the applicator (104) provides the disclosing agent (102) to a tooth surface and a composite filling of the tooth. The composite filling is selectively stained to reveal the presence and location of the composite filling. In another embodiment, the tooth surface is selectively stained to reveal the presence and location of the composite filling.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: June 17, 2003
    Inventors: Paul C. Chiu, Catherine Hoffmann
  • Method and system for selectively staining dental composite resin
    Publication number: 20020068259
    Abstract: A method and system for selectively staining dental composite materials includes an applicator (104) and a disclosing agent (102). In one embodiment, the applicator (104) provides the disclosing agent (102) to a tooth surface and a composite filling of the tooth. The composite filling is selectively stained to reveal the presence and location of the composite filling. In another embodiment, the tooth surface is selectively stained to reveal the presence and location of the composite filling.
    Type: Application
    Filed: August 7, 2001
    Publication date: June 6, 2002
    Inventors: Paul C. Chiu, Katherine Hoffman