Patents by Inventor Ehud S Klein

Ehud S Klein 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: 6147059
    Abstract: Pharmaceutical compositions from which effective non-toxic (to the patient) dosage amounts may be taken and applied to the skin and/or exposed tissue of a human, each effective dosage amount comprising pharmaceutical excipients suitable for topical application, an effective non-toxic dosage amount of a drug to treat and to assist to resolve a disease and/or condition of the skin and/or exposed tissue or a human and an effective non-toxic dosage amount of hyaluronic acid and/or salts thereof and/or homologues, analogues, derivatives, complexes, esters, fragments, and/or sub-units or hyaluronic acid sufficient to transport (to facilitate or cause the transport of) the drug, to a site in the skin including epidermis or exposed tissue or a disease or condition for percutaneous transport into the skin and/or exposed tissue to accumulate and remain there for a prolonged period of time and which is systemic independent acting.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 14, 2000
    Assignee: Hyal Pharmaceutical Corporation
    Inventors: Rudolf E Falk, Samuel S Asculai, Ehud S Klein, David W Harper, David Hochman, Don Purschke
  • Patent number: 6087344
    Abstract: Pharmaceutical compositions from which effective non-toxic (to the patient) dosage amounts may be taken and applied to the skin and/or exposed tissue of a human, each effective dosage amount comprising pharmaceutical excipients suitable for topical application, an effective non-toxic dosage amount of a drug to treat and to assist to resolve a disease and/or condition of the skin and/or exposed tissue of a human and an effective non-toxic dosage amount of hyaluronic acid and/or salts thereof and/or homologues, analogues, derivatives, complexes, esters, fragments, and/or sub-units of hyaluronic acid sufficient to transport (to facilitate or cause the transport of) the drug, to a site in the skin including epidermis or exposed tissue of a disease or condition for percutaneous transport into the skin and/or exposed tissue to accumulate and remain there for a prolonged period of time and which is systemic independent acting.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 11, 2000
    Assignee: Hyal Pharmaceutical Corporation
    Inventors: Rudolf E Falk, Samuel S Asculai, Ehud S Klein, David W Harper, David Hochman, Don Purschke