Patents by Inventor Karin L ovgren

Karin L ovgren 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).

  • Patent number: 5603958
    Abstract: The invention refers to the use of an inert, structure-giving, deadjuvanated matrix of a complex of a sterol, such as cholesterol, and one or more saponins as a carrier for the administration of a pharmaceutically active substance, and a drug carrying particle comprising said inert structure-giving matrix to which has been connected a pharmaceutically active substance. The drug carrying particle, delpha, has an annular basic structure which can form spherical nano particles having a size of 30-50 nm and a narrow size distribution.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: February 18, 1997
    Assignee: British Technology Group Limited
    Inventors: Bror Morein, Karin L ovgren