Patents by Inventor Carl M. Philbrook

Carl M. Philbrook 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).

  • Color changing matrix as wear indicator
    Patent number: 7338664
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: March 4, 2008
    Assignee: The Gillette Company
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Color changing matrix as wear indicator
    Publication number: 20040134010
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Application
    Filed: September 15, 2003
    Publication date: July 15, 2004
    Applicant: The Gillette Company, a Delaware Corporation
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Sustained-release matrices for dental application
    Publication number: 20030049209
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Application
    Filed: August 5, 2002
    Publication date: March 13, 2003
    Applicant: The Gillette Company, a Delaware corporation
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Sustained-release matrices for dental application
    Publication number: 20020081556
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Application
    Filed: September 28, 2001
    Publication date: June 27, 2002
    Applicant: The Gillette Company, a Delaware corporation
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Sustained-release matrices for dental application
    Patent number: 5998431
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: December 7, 1999
    Assignee: Gillette Canada Inc.
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Sustained-release matrices for dental application
    Patent number: 5851551
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: December 22, 1998
    Assignee: The Gillette Company
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Sustained-release matrices for dental application
    Patent number: 5723132
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 3, 1998
    Assignee: Gillette Canada Inc.
    Inventors: Mingchih M. Tseng, Carl M. Philbrook
  • Sustained-release matrices for dental application
    Patent number: 5340581
    Abstract: A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin.
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: August 23, 1994
    Assignee: Gillette Canada, Inc.
    Inventors: Mingchih M. Tseng, Carl M. Philbrook