Patents by Inventor Vladimír Král

Vladimír Král 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).

  • Sapphyrin derivatives and conjugates
    Patent number: 5457195
    Abstract: The present invention provides various covalently modified sapphyrin derivatives and conjugates, and also, polymers including sapphyrin or derivatives thereof. Disclosed are water soluble sapphyrins, including polyhydroxysapphyrins and sapphyrin-sugar derivatives; sapphyrin-metal chelating conjugates; sapphyrin nucleobase conjugates; and polymer supported sapphyrins. Novel sapphyrin dimers, trimers, oligomers and polymers are also described, which polymers may include repeating units of sapphyrin or sapphyrin derivatives alone, or may further incorporate other units such as nucleobases.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: October 10, 1995
    Assignee: Board of Regents, The University of Texas System
    Inventors: Jonathan L. Sessler, Brent L. Iverson, Vladimir Kral, Kevin Shreder, Hiroyuki Furuta