Patents by Inventor Michael M. Dreyfuss

Michael M. Dreyfuss 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).

  • Cyclosporin peptolides having an .alpha.-hydroxycarboxylic acid at position 8
    Patent number: 5116816
    Abstract: Cyclic peptolides having the structure of a cyclosporin in which one amide linkage is replaced by an ester linkage are obtained by fermentation of fungal strains of the genus Cylindrotrichum Bonorden, or by cyclization of a hydroxy-undecapeptide. The cyclic peptolides have immunosuppressive, anti-inflammatory and anti-parasitic properties.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: May 26, 1992
    Assignee: Sandoz Ltd.
    Inventors: Michael M. Dreyfuss, Max H. Schreier, Hans Tscherter
  • Antibiotic lactone compound
    Patent number: 4753959
    Abstract: The compound of formula I ##STR1## known as S 39163/F-I which is effective e.g. as an antimicrobial and against herpes viruses.
    Type: Grant
    Filed: December 1, 1986
    Date of Patent: June 28, 1988
    Assignee: Sandoz Ltd.
    Inventors: Hans Tscherter, Hans Hofmann, Roy Ewald, Michael M. Dreyfuss
  • Antibiotic S 31794/F-1
    Patent number: 4173629
    Abstract: This invention provides S 31794/F-1 which is a useful anti-mycotic for combatting Candida albicans infections.
    Type: Grant
    Filed: June 28, 1978
    Date of Patent: November 6, 1979
    Assignee: Sandoz Ltd.
    Inventors: Michael M. Dreyfuss, Hans Tscherter