Patents by Inventor David Ferández Bleda

David Ferández Bleda 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).

  • Derivatives of variolin B
    Patent number: 7329666
    Abstract: The invention provides antitumour compounds of formula (I), wherein R1 is an aromatic substituent; R2 is hydrogen or a substituent when the dotted line is absent, or R2 is absent when the dotted line represents a bond to give a double bond between the nitrogen which bears R2 and the carbon which bears R3; R3 is an oxo group ?O when the dotted line is absent or is a substituent when the dotted line represents a bond to give a double bond between the nitrogen bearing R2 and the carbon bearing R3; R4 is hydrogen or a substituent; and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: February 12, 2008
    Assignee: Pharma Mar, S.A.
    Inventors: Mercedes Alvarez, José Luis Fernández Puentes, David Ferández Bleda