Patents by Inventor Libor Slechta

Libor Slechta 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).

  • Antibiotic U-62,162 and process of making
    Patent number: 4331659
    Abstract: Novel antibiotic U-62,162 producible in a fermentation under controlled conditions using a man-made biologically pure culture of the microorganism Streptomyces verdensis, Dietz and Li sp.n., NRRL 12256. This antibiotic is strongly active against various Gram-positive bacteria, for example, Staphylococcus aureus. Thus, antibiotic U-62,162 can be used in various environments to eradicate or control such bacteria.
    Type: Grant
    Filed: September 10, 1980
    Date of Patent: May 25, 1982
    Assignee: The Upjohn Company
    Inventors: Herman Hoeksema, Libor Slechta
  • Antibiotic U-58,431
    Patent number: 4267112
    Abstract: Novel antibiotic U-58,431 producible in a fermentation under controlled conditions using a biologically pure culture of the microorganism Streptomyces helicus Dietz and Li sp. n., NRRL 11461. This antibiotic is active against various Gram-positive bacteria, for example, Staphylococcus aureus, Streptococcus hemolyticus, and Streptococcus faecalis. It is also active against various Gram-negative bacteria, for example, Escherichia coli, Proteus vulgaris, Klebsiella pneumoniae, Pseudomonas aeruginosa, and Salmonella schottmuelleri. It has strong activity against Diplococcus pneumoniae. Thus, antibiotic U-58,431 can be used in various environments to eradicate or control such bacteria.
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: May 12, 1981
    Assignee: The Upjohn Company
    Inventors: Fritz Reusser, Libor Slechta