Patents by Inventor Marinus Bernard Groen

Marinus Bernard Groen 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).

  • Publication number: 20100120736
    Abstract: Compounds of the formula (I) are provided having a steroid skeleton and substitution characteristics in the A and B rings of the steroid skeleton effective for mineralocorticoid receptor antagonism, and rings C and D of the steroid skeleton having substituents thereon according to formula (I), wherein R1 is —OH or ?O; R2 is (C1-3)alkyl or (C2-3)alkenyl; R3 is selected from formulas (IIa), (IIb), (IIc). These compounds are useful in the treatment of inter alia aldosteronism, hypokalemia, hypertension, congestive heart failure, heart fibrosis, renal failure and restenosis.
    Type: Application
    Filed: March 29, 2007
    Publication date: May 13, 2010
    Inventors: Bernardus Wijnand Machijs Marie Peeters, Marinus Bernard Groen, Ralf Plate
  • Patent number: 6262282
    Abstract: The invention relates to 17&bgr;-allyloxy(thio)alkyl-androstane derivatives having general formula (I) wherein R1 is (H, OR), (H, OSO3H) or NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R2 and R3 is independently hydrogen or (C1-6)alkyl; n is 0, 1 or 2; X is O, S, S(O) or S(O)2; each of R4 and R5 is independently hydrogen or (C1-4)alkyl; each of R6, R7 and R8 is independently hydrogen, phenyl, halogen or (C1-4)alkyl, optionally substituted by hydroxy, (C1-4) alkoxy or halogen; or R7 and R8 together with the carbon atom to which they are bound form a (C3-6)cycloalkane ring; or R6 and R7 together with the carbon atoms to which they are bound form a (C5-6) cycloalkene ring; and wherein the dotted lines indicate a &Dgr;7 or a &Dgr;8 double bond, or a pair of conjugated double bonds selected from &Dgr;7,14, &Dgr;8,14 and &Dgr;6,8(14); or a pharmaceutically acceptable salt thereof. The compounds of the invention have meiosis activating activity and can be used for the control of fertility.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: July 17, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Johannes Antonius Joseph Leemhuis, Jaap van der Louw, Marinus Bernard Groen
  • Patent number: 6177420
    Abstract: The invention relates to 20-aralkyl-5&agr;-pregnane derivative having general formula (I), or a pharmaceutically acceptable salt thereof, wherein R1 is (H,OR), (H,OSO3H) or NOR; R is H, (C1-6)alkyl or (C1-6)acyl; each of R2 and R3 is independently hydrogen or (C1-6)alkyl; X is a straight chain divalent C1-8 hydrocarbon radical, optionally comprising a double or a triple bond; or X is —(CH2)m—CR7R8—; m=0-4; at least one of R7 and R8 is (C1-4)alkyl, hydroxy, (C1-4)alkoxy or halogen; the other, if present, being hydrogen; or R7 and R8 together represent O or NOR′; R′ is H, (C1-6)alkyl or (C1-6)acyl; each of R4, R5 and R6 is independently hydrogen, hydroxy, (C1-4)alkoxy, halogen, NR9, R10 or (C1-4)alkyl, optionally substituted by hydroxy, alkoxy, halogen or oxo; each of R9 and R10 is independently hydrogen or (C1-4)alkyl; and the dotted lines indicate a &Dgr;7 or a &Dgr;8 double bond, or a pair of conjugated double bonds selected from &Dgr;7,14, &Dgr;8,14 and
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: January 23, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Johannes Antonius Joseph Leemhuis, Jaap van der Louw, Marinus Bernard Groen
  • Patent number: 6072068
    Abstract: The present invention relates to certain 16-hydroxy-11-(substituted phenyl)-estra-4,9-diene derivatives, to processes for their preparation, to pharmaceutical formulations containing them and to their use in medicinal therapy, particularly in the treatment or prophylaxis of glucocorticoid dependent diseases or symptoms.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: June 6, 2000
    Assignee: Akzo Nobel N.V.
    Inventors: Marinus Bernard Groen, Ronald Gebhard