Patents by Inventor Nuha M. Kassem

Nuha M. Kassem 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).

  • Aerosol carriers
    Patent number: 5376386
    Abstract: Pharmaceutical excipients useful in dry powder inhalents comprise particles having a rugosity (measured by air permeametry) of less than 1.75. The use of these carriers increases the amount of drug injested by the patient using a dry powder inhaler. The preferred excipients are crystalline sugars such as lactose which may conveniently be prepared by controlled crystallisation from an aqueous medium.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: December 27, 1994
    Assignee: British Technology Group Limited
    Inventors: David Ganderton, Nuha M. Kassem
  • Aerosol carriers
    Patent number: 5254330
    Abstract: Pharmaceutical excipients useful in dry powder inhalents comprise particles having a rugosity (measured by air permeametry) of less than 1.75. The use of these carriers increases the amount of drug injested by the patient using a dry powder inhaler. The preferred excipients are crystalline sugars such as lactose which may conveniently be prepared by controlled crystallisation from an aqueous medium.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: October 19, 1993
    Assignee: British Technology Group Ltd.
    Inventors: David Ganderton, Nuha M. Kassem