Patents by Inventor Keith Lienhop

Keith Lienhop 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).

  • Long acting GI and esophageal protectant
    Patent number: 5554379
    Abstract: A bioadherent, orally ingestible system, which comprises: a water-in-oil system having at least two phases, one phase comprises from about 75% to about 99% by volume of an internal hydrophylic phase and the other phase comprises from about 25% to about l% by volume of an external hydrophobic phase, wherein the external hydrophobic phase comprises two components, one component being about 3% to about 97% by volume of the hydrophobic phase of a hydrophobic oil and the other being about 97% to about 3% of an emulsifier having a HLB value less than about 10.
    Type: Grant
    Filed: June 20, 1994
    Date of Patent: September 10, 1996
    Assignee: KV Pharmaceutical Company
    Inventors: Robert Cuca, Keith Lienhop, Thomas Riley, Mitchell I. Kirschner, R. Saul Levinson