Patents by Inventor Wilhelmina Maria Bagchus

Wilhelmina Maria Bagchus 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: 6579864
    Abstract: The invention concerns a 3-methylene steroid derivative having general formula (1) wherein R1 is H or together with R3 forms a &bgr;-epoxide or R1 is absent if there is a 5-10 or 4-5 double bond; R2 is (C1-C5) alkyl or CF3; R3 is &bgr;H, &bgr;CH3 or together with R1 forms a &bgr;-epoxide or R3 is absent if there is a 5-10 double bond; R4 is H, lower alkyl; Y is [H, H], [OH, H], ═O, [OH, lower alkyl], [OH, (C2-C5)alkenyl], [OH, (C2-C5)alkynyl] or (C1-C6) alkylidene, whereby said alkyl, alkenyl, alkynyl and alkylidene is optionally halogenated; ═NOR5, whereby R5 is H, lower alkyl; dotted lines represent an optional double bond, or prodrugs thereof for the treatment of arthritic diseases and/or autoimmune diseases.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: June 17, 2003
    Assignee: Akzo Nobel NV
    Inventors: Ralf Plate, Wilhelmina Maria Bagchus