Patents by Inventor Artur Ruegger

Artur Ruegger 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: 4215199
    Abstract: This invention provides new antibiotics produced by cultivating a strain of the fungus species, Cylindrocarpon lucidum Booth or Tolypocladium inflatum Gams in contact with a nutrient medium, the antibiotics being useful anti-inflammatory and immunosuppressive agents.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: July 29, 1980
    Assignee: Sandoz Ltd.
    Inventors: Eugen Harri, Artur Ruegger
  • Patent number: 4210581
    Abstract: The present invention provides cyclosporin C which can be hydrogenated to produce dihydrocyclosporin C of formula, ##STR1## useful as an immunosuppressive.
    Type: Grant
    Filed: June 9, 1978
    Date of Patent: July 1, 1980
    Assignee: Sandoz Ltd.
    Inventors: Artur Ruegger, Max Kuhn
  • Patent number: 4117118
    Abstract: This invention provides new antibiotics produced by cultivating a strain of the fungus species, Cylindrocarpon lucidum Booth or Tolypocladium inflatum Gams in contact with a nutrient medium, the antibiotics being useful anti-inflammatory and immunosuppressive agents.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: September 26, 1978
    Assignee: Sandoz Ltd.
    Inventors: Eugen Harri, Artur Ruegger
  • Patent number: 4108985
    Abstract: The present invention provides dihydrocyclosporin C of formula, ##STR1## useful as an immunosuppressive.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: August 22, 1978
    Assignee: Sandoz Ltd.
    Inventors: Artur Ruegger, Max Kuhn