Patents Represented by Attorney, Agent or Law Firm Mark W. Minstead
  • Patent number: 6706700
    Abstract: The disclosed invention relates to the unexpected finding of novel steroids which are characterized by a 14&bgr;,15&bgr;-cyclopropane ring and a 17&agr; hydroxymethyl group. These steroids according to the invention are found to have in common an androgenic activity. They can be used for the preparation of an agent for male contraception, as well as for the preparation of a medicament for the treatment of androgen insufficiency.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: March 16, 2004
    Assignee: Akzo-Nobel, N.V.
    Inventors: Dirk Leysen, Jaap Van der Louw, Roberta Buma Bursi, Marcel Evert De Gooyer
  • Patent number: 6686371
    Abstract: The invention provides non-steroidal estrogenic compounds with estrogenic and anti-estrogenic compounds effects for treatment of estrogen-deficiency related disorders, which compounds are having formula (I) wherein, one of Ra or Rb is 'Re; Re and 'Re are OH, optionally independently etherified or esterified; X is N or —C(R1)—, wherein R1 is H1 halogen, CN, optionally substituted aryl, (1C-4C)alkyl, (2C-4C)alkenyl, (2C-4C)alkynyl or (3C-6C)cycloalkyl, which alkyl, alkenyl, alkynyl and cycloalkyl groups can optionally be substituted with one or more halogens; Y is N or —C(R2)—, with the proviso that X and Y are not both N, wherein R2 has the same meaning as defined for R1; Z is C(R3,'R3)— or —C(R4,∝R4)—C(R5,'R5)—, wherein R3, 'R3, R4, 'R4, R5, and 'R5, independently arc H, (1C-4C)alkyl, (2C-4C)alkenyl or (3C-6C) cycloalkyl, which alkyl, alkenyl and cycloalkyl groups can optionally be substituted with one or more halogens.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: February 3, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Gerrit Herman Veeneman, Eduard Willem De Zwart, Hubert Jan Jozef Loozen, Jordi Mestres