Patents by Inventor Herman Gumbel

Herman Gumbel 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: 5863556
    Abstract: The present invention relates to liposomal pharmaceutical preparations which include active agents such as antiseptic agents, wound-healing agents, or combinations thereof, useful in the treatment of external wounds. The active agents are encapsulated in liposomes, and the liposomes are incorporated in pharmaceutical preparations such as liquids, ointments, gels, lotions, or creams capable of delivering the active agents to external wound sites. The invention further relates to methods of preparation of the liposomes and the pharmaceutical preparations, and to methods of treatment of external wounds and ophthalmic infections.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: January 26, 1999
    Assignee: Euro-Celtique, S.A.
    Inventors: Dieter Ruckert, Herman Gumbel, Wolfgang Fleischer, Karen Reimer, Horst Winkler