Patents by Inventor Crystal Pollock

Crystal Pollock 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).

  • Injection-moldable composition and article of manufacture comprising same
    Patent number: 6153678
    Abstract: Polymeric compositions are disclosed comprising a poly(caprolactone), a poly(alkylene oxide), a poly(oxyethylenated fatty acid ester), or a poly(oxyethylenated fatty acid), or a poly(oxyethylene-co-oxypropylene).
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: November 28, 2000
    Assignee: Alza Corporation
    Inventors: Liang-Chang Dong, Crystal Pollock, Patrick S.-L. Wong, Keru O. Shafi, Vincent J. Ferrari, Ted Smith
  • Drug delivery device with minimal residual drug retention
    Patent number: 5902605
    Abstract: The present invention is directed to a fluid-imbibing drug delivery device which is useful for the initial delayed delivery of an active agent formulation to a fluid environment of use, the initial delay period to startup or activation of the device being of a predetermined length of time. The delivery of the agent formulation from the dispensing device is continued until essentially all of the active agent formulation is delivered as a result of the fluid inhibition into a fluid flow path in the housing of the device and the expansion of an expansion agent in the active agent delivery chamber.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: May 11, 1999
    Assignee: Alza Corporation
    Inventors: Liang C. Dong, Patrick S.-L. Wong, Si-Hong Yum, Crystal Pollock
  • Injection-molded dosage form
    Patent number: 5830502
    Abstract: A dosage form is disclosed comprising an injection-molded housing member free of organic solvents.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: November 3, 1998
    Assignee: ALZA Corporation
    Inventors: Liang C. Dong, Patrick S. L. Wong, Crystal Pollock, Vincent J. Ferrari
  • Injection-molded dosage form
    Patent number: 5614578
    Abstract: A dosage form is disclosed comprising an injection-molded housing member free of organic solvents.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: March 25, 1997
    Assignee: Alza Corporation
    Inventors: Liang C. Dong, Patrick S. L. Wong, Crystal Pollock, Vincent J. Ferrari