Patents by Inventor Pierre Dugat

Pierre Dugat 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: 3997506
    Abstract: The invention is concerned with novel thiocolchicine derivatives of formula: ##STR1## wherein Z is H or the group ##STR2## wherein R is an organic radical. The derivative wherein Z is H is prepared by hydrolyzing thiocolchicine in an aqueous acidic medium and those wherein Z is ##STR3## is prepared by reacting the derivative wherein Z is H with a compound of formula RCOX or ##STR4## The derivative wherein R is an adamantyl group has therapeutical properties.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: December 14, 1976
    Assignee: Societe d'Etudes Chimiques an abrege Socechim
    Inventor: Pierre Dugat