Patents by Inventor William T. Gattrell

William T. Gattrell 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).

  • Resorcinol derivatives
    Patent number: 6797731
    Abstract: The present invention relates to certain resorcinol derivatives and their use as skin lightening agents.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: September 28, 2004
    Assignee: Pfizer Inc.
    Inventors: Stuart E. Bradley, Eric W. Collington, Matthew C. Fyfe, William T. Gattrell, Joanna V. Geden, Peter J. Murray, Martin J. Procter, Robert J. Rowley, Jonathan G. Williams
  • Resorcinol derivatives
    Publication number: 20030190298
    Abstract: The present invention relates to certain resorcinol derivatives and their use as skin lightening agents.
    Type: Application
    Filed: March 12, 2003
    Publication date: October 9, 2003
    Inventors: Stuart E. Bradley, Eric W. Collington, Matthew C. Fyfe, William T. Gattrell, Joanna V. Geden, Peter J. Murray, Martin J. Procter, Robert J. Rowley, Jonathan G. Williams
  • Resorcinol derivatives
    Patent number: 6541473
    Abstract: The present invention relates to certain resorcinol derivatives and their use as skin lightening agents.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: April 1, 2003
    Assignee: Warner Lambert Company
    Inventors: Stuart E. Bradley, Eric W. Collington, Matthew C. Fyfe, William T. Gattrell, Joanna V. Geden, Peter J. Murray, Martin J. Procter, Robert J. Rowley, Jonathan G. Williams
  • Resorcinol derivatives
    Publication number: 20020137961
    Abstract: The present invention relates to certain resorcinol derivatives and their use as skin lightening agents.
    Type: Application
    Filed: September 17, 2001
    Publication date: September 26, 2002
    Inventors: Stuart E. Bradley, Eric W. Collington, Matthew C. Fyfe, William T. Gattrell, Joanna V. Geden, Peter J. Murray, Martin J. Procter, Robert J. Rowley, Jonathan G. Williams