Patents by Inventor Helmut O. Hauser

Helmut O. Hauser 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).

  • Method of dehydrating vesicle preparations for long term storage
    Patent number: 5089181
    Abstract: In the presence of a preserving additive, unilamellar phospholipid vesicle preparations are preserved during dehydration. Dehydration is effected by subjecting said preparations to a drying operations capable of causing flash evaporation.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: February 18, 1992
    Assignee: Vestar, Inc.
    Inventor: Helmut O. Hauser