Patents by Inventor Edna Sugihara

Edna Sugihara 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).

  • Skin permeation enhancer compositions using sucrose esters
    Patent number: 4940586
    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 predominantly 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: July 10, 1990
    Assignee: Alza Corporation
    Inventors: Yu-Ling Cheng, Robert M. Gale, Edna Sugihara, Harold F. Sanders
  • 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
  • Skin permeation enhancer compositions using sucrose esters
    Patent number: 4865848
    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 predominantly 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: February 26, 1987
    Date of Patent: September 12, 1989
    Assignee: ALZA Corporation
    Inventors: Yu-Ling Cheng, Robert M. Gale, Edna Sugihara, Harold F. Sanders
  • Skin permeation enhancer compositions using glycerol monolaurate
    Patent number: 4746515
    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 glycerol monolaurate. Preferred embodiments of therapeutic systems for delivering drug and glycerol monolaurate employ matrix containing drug at a concentration above saturation.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: May 24, 1988
    Assignee: ALZA Corporation
    Inventors: Yu-Ling Cheng, Diane E. Nedberge, Edna Sugihara