Patents by Inventor Hubert Jan Jozef Loozen

Hubert Jan Jozef Loozen 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: 6780854
    Abstract: Novel, orally active androgens are 7&agr;-substituted &Dgr;14-nandrolone derivatives. The compounds satisfy the general formula: wherein R1 is O, (H,H), (H,OR), NOR, with R being hydrogen, (C1-6) alkyl, or (C,1-6) acyl; R2 is selected from the group consisting of (C2-4) alkyl, (C2-4) alkenyl, or (C2-4) alkynyl, each optionally substituted by halogen; or R2 is cyclopropyl, or cyclopropenyl, each optionally substituted by (C1-2) alkyl, or halogen; R3 is hydrogen, (C1-2) alkyl, or ethenyl; R4 is (C1-2) alkyl; R5 is hydrogen, or (C1-15) acyl; and the dotted lines indicate optional bonds.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: August 24, 2004
    Assignee: Akzo Nobel NV
    Inventors: Hubert Jan Jozef Loozen, Dirk Leysen, Jaap van der Louw
  • Publication number: 20040102426
    Abstract: The invention discloses a steroid compound having the formula (1), wherein dotted bonds represent optional double bonds; R6 is H, ═CH2, or —CH3, or —CH2—CH3; R7 is H C1-4-alkyl, C2-5 alkenyl or C2-5-alkynyl, wherein the alkyl, alkenyl or alkynyl group may be substituted with 1 to 3 halogen atoms independently chosen from the group of fluorine or chlorine atoms; R11 is H, C1-4-alkyl, C2-4-alkenyl, C2-4-alkynyl or C1-4-alkylidene, wherein the alkyl, alkenyl, alkynyl or alkylidene group may be substituted with 1 to 3 halogen atoms independently chosen from the group of fluorine or chlorine atoms; E represents together with carbon atoms 16 and 17 of the steroid skeleton a four to seven-membered ring, said ring being &agr; and in cis-configuration with respect to the steroid skeleton, optionally comprising one or two endocyclic bonds; or a prodrug thereof. Such compounds can be used in therapy and for methods for selective modification of the activity of estrogen receptors.
    Type: Application
    Filed: December 6, 2002
    Publication date: May 27, 2004
    Inventor: Hubert Jan Jozef Loozen
  • Publication number: 20040043976
    Abstract: The invention makes a 16&agr;-substituted steroidal compound available having formula 1, wherein the dotted ring is a fully saturated, a fully aromatic or a saturated ring with a &Dgr;5-10 double bond; R1 is (C1-C3)alkyl or (C2-C3)alkenyl, and each of these groups can be substituted with one or more halogens; R2 is (C1-C4;)alkyl, (C2-C4)alkenyl or methylene, and each of these groups can be substituted with one or more halogens; R3 is methyl or ethyl; or a prodrug thereof, which compound can be used for an estrogen receptor &agr; selective treatment.
    Type: Application
    Filed: July 17, 2003
    Publication date: March 4, 2004
    Inventors: Jordi Mestres, Hubert Jan Jozef Loozen, Gerrit Herman Veeneman
  • 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
  • Patent number: 6677329
    Abstract: Disclosed are novel, selective estrogens type having a steroid skeleton with a non-aromatic A-ring and a free or capped hydroxyl group at carbon atom No. 3. The estrogens satisfy general formula (I), in which R1 is H, (C1-C3)alkyl or (C2-C3)acyl; R2 is H, &agr;-(C1-C4)alkyl, &agr;-(C2-C4)alkenyl or &agr;-(C2-C4)alkynyl; R3 is H or (C1-C4)alkyl, (C2-C4)alkenyl or (C2-C4)alkynyl, each at location 15 or 16 of the steroid skeleton; R4 is H or (C1-C5)alkyl, (C2-C5)alkenyl or (C2-C5)alkynyl, each optionally substituted with halogen; preferred is ethynyl; R5 is H, (C1-C3)alkyl or (C2-C3)acyl; R6 is (C1-C5)alkyl, (C2-C5)alkenyl, (C2-C5)alkynyl or (C1-C5)alkylidene, each optionally substituted.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: January 13, 2004
    Assignee: Akzo Nobel N V.
    Inventors: Hubert Jan Jozef Loozen, Gerrit Herman Veeneman, Wilhelmus Gerardus Eduardus Joseph Schoonen
  • Publication number: 20030144313
    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 H, 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: Application
    Filed: December 2, 2002
    Publication date: July 31, 2003
    Inventors: Gerrit Herman Veeneman, Eduard Willem De Zwart, Hubert Jan Jozef Loozen, Jordi Mestres
  • Publication number: 20030087886
    Abstract: Novel, orally active androgens are 7&agr;-substituted &Dgr;14-nandrolone derivatives.
    Type: Application
    Filed: October 24, 2002
    Publication date: May 8, 2003
    Inventors: Hubert Jan Jozef Loozen, Dirk Leysen, Jaap van der Louw
  • Patent number: 6541465
    Abstract: Novel, orally active androgens are 7&agr;-substituted &Dgr;14-nandrolone derivatives. The compounds satisfy the general formula: wherein R1 is O, (H,H), (H,OR), NOR, with R being hydrogen, (C1-6) alkyl, or (C1-6) acyl; R2 is selected from the group consisting of (C2-4) alkyl, (C2-4) alkenyl, or (C2-4) alkynyl, each optionally substituted by halogen; or R2 is cyclopropyl, or cyclopropenyl, each optionally substituted by (C1-2) alkyl, or halogen; R3 is hydrogen, (C1-2) alkyl, or ethenyl; R4 is (C1-2) alkyl; R5 is hydrogen, or (C1-15) acyl; and the dotted lines indicate optional bonds.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: April 1, 2003
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Dirk Leysen, Jaap van der Louw
  • Publication number: 20020022609
    Abstract: Novel, orally active androgens are 7&agr;-substituted &Dgr;14-nandrolone derivatives.
    Type: Application
    Filed: July 31, 2001
    Publication date: February 21, 2002
    Inventors: Hubert Jan Jozef Loozen, Dirk Leysen, Jaap van der Louw
  • Patent number: 6313180
    Abstract: The invention relates to a steroid compound having the formula (I) comprising a ring E, said ring sharing carbon atoms at position 16 and 17 with the five-membered ring D and being &agr; with respect to said D-ring. In addition, the carbon atom at position 17 is substituted with an oxygen atom-comprising group through a CO bond. The invention also relates to a pharmaceutical composition comprising said steroid compound. The steroid compounds of the present invention are very suitable for use in the prevention or treatment of peri-menopausal or menopausal complaints, more preferably the prevention or treatment of osteoporosis. Furthermore, the steroid compounds of the present invention can be used for contraceptive purposes.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: November 6, 2001
    Assignee: Akzo Nobel N.V.
    Inventor: Hubert Jan Jozef Loozen
  • Patent number: 6313108
    Abstract: Novel, orally active androgens are 7&agr;-substituted &Dgr;14-nandrolone derivatives. The compounds satisfy the general formula: wherein R1 is O, (H,H), (H,OR), NOR, with R being hydrogen, (C1-6) alkyl, or (C1-6) acyl; R2 is selected from the group consisting of (C2-4) alkyl, (C2-4) alkenyl, or (C2-4) alkynyl, each optionally substituted by halogen; or R2 is cyclopropyl, or cyclopropenyl, each optionally substituted by (C1-2) alkyl, or halogen; R3 is hydrogen, (C1-2) alkyl, or ethenyl; R4 is (C1-2) alkyl; R5 is hydrogen, or (C1-15) acyl; and the dotted lines indicate optional bonds.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: November 6, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Dirk Leysen, Jaap van der Louw
  • Patent number: 6258803
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to provide an estrogenic effect to a human or animal.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: July 10, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters
  • Patent number: 6077873
    Abstract: The invention relates to a steroid compound having the formula (I) ##STR1## comprising a ring E, said ring sharing carbon atoms at position 16 and 17 with the five-membered ring D and being .alpha. with respect to said D-ring. In addition, the carbon atom at position 17 is substituted with an oxygen atom-comprising group through a CO bond. The invention also relates to a pharmaceutical composition comprising said steroid compound. The steroid compounds of the present invention are very suitable for use in the prevention or treatment of peri-menopausal or menopausal complaints, more preferably the prevention or treatment of osteoporosis. Furthermore, the steroid compounds of the present invention can be used for contraceptive purposes.
    Type: Grant
    Filed: February 19, 1998
    Date of Patent: June 20, 2000
    Assignee: Akzo Nobel N.V.
    Inventor: Hubert Jan Jozef Loozen
  • Patent number: 6037339
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to treat osteoporosis.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: March 14, 2000
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters
  • Patent number: 5710144
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to treat osteoporosis.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: January 20, 1998
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters