Patents by Inventor Jan Uher

Jan Uher 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: 4808399
    Abstract: The present invention pertains to a preparation for diagnosing the transport function of the fallopian tube and to a method for making such a preparation.The diagnostic preparation for investigation of the transport function of female fallopian tube, comprises a suspension of a biocompatible, biodegradable, and, if desired, labelled particles, in a vehicle commonly used for parenteral applications wherein the particles have a spherical shape with diameters in the region 10 to 600 um, which are formed from a soft hydrophilic gel based on a polymer selected from the group comprising additionally crosslinked water-soluble nontoxic and biodegradable inert polysaccharides and physiologically inert water-soluble and biodegradable poly(amino acids), polypeptides, and their derivatives, which may contain physiologically active substances.
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: February 28, 1989
    Assignee: Ceskoslovenska akademie ved
    Inventors: Frantisek Rypacek, Jan Uher, Jaroslav Drobnik