Patents Examined by Leon C. Horne
  • Dosage form for delivering soluble or insoluble drugs
    Patent number: 5035897
    Abstract: A dosage form is disclosed comprising granule means for delivering soluble to insoluble drug to a warm-blooded animal.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: July 30, 1991
    Assignee: Alza Corporation
    Inventors: Atul D. Ayer, Anthony L. Kuczynski, Patrick S. Wong
  • Dosage form for administering nilvadipine for treating cardiovascular symptoms
    Patent number: 4902514
    Abstract: A dosage form is disclosed comprising nilvadipine for administering to a patient in need of cardiovascular therapy.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: February 20, 1990
    Assignee: ALZA Corporation
    Inventors: Brian L. Barclay, Patrick S. L. Wong, Jeri D. Wright, Jerry D. Childers
  • Skin permeation enhancer compositions using sucrose esters
    Patent number: 4900555
    Abstract: A method for enhancing the transdermal flux of a transdermally deliverable drug through intact skin is described in which the drug is delivered simultaneously with sucrose monolaurate or a mixture of sucrose esters of coconut fatty acids, which is predominatly sucrose monolaurate. Preferred embodiments of therapeutic systems for delivering the drug and the sucrose ester employ a matrix containing drug at a concentration above saturation.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: February 13, 1990
    Assignee: Alza Corporation
    Inventors: Yu-Ling Cheng, Robert M. Gale, Edna Sugihara, Harold F. Sanders