Patents by Inventor Khan Ou

Khan Ou 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: 20060025589
    Abstract: The invention relates to 2-thiohydantoin compounds selected from compounds of general formula (I): in which, in particular, one of the radicals R1 and R2 comprises two aromatic rings in the structure or is the dibenzofuranyl group, R3 is a hydrogen atom, a halogen atom, a C1-C4 alkyl group, a C1-C4 alkoxy group, a hydroxyl group, a phenyl group or a benzyl group, R4 is a hydrogen atom, a halogen atom or a C1-C4 alkyl group, and their addition salts with a non-toxic acid, especially the pharmaceutically acceptable salts. It further relates to the process for their preparation, to the pharmaceutical compositions in which they are present, and to their use as pharmacologically active substances, especially in the case of the treatment of diabetes, diseases due to hyperglycemia, hypertriglyceridemia, dyslipidemia or obesity.
    Type: Application
    Filed: October 3, 2003
    Publication date: February 2, 2006
    Inventors: Jean Binet, Benaissa Boubia, Evelyne Chaput, Alan Edgar, Khan Ou, Philippe Ratel, Soth Samreth, Didier Thomas
  • Publication number: 20040116417
    Abstract: The invention relates to 2-thiohydantoin derivative compounds selected from compounds of general formula (I): 1
    Type: Application
    Filed: September 26, 2003
    Publication date: June 17, 2004
    Inventors: Benaissa Boubia, Evelyne Chaput, Khan Ou, Philippe Ratel
  • Patent number: 6384222
    Abstract: The present invention relates to compounds selected from the group consisting of: (i) the compounds of the formula  in which X is a halogen atom, A is a group —NH—(CH2)n—NH—CO—, —NH—CH2— or Q is a group R1 is hydrogen, halogen, C1-C3 alkyl or C1-C5 1-oxoalkyl, R2 is H or OH and n is 2, 3 or 4; and (ii) their addition salts. It further relates to the process for their preparation and to their use in therapeutics, especially for combating pathological conditions involving bradykinin.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: May 7, 2002
    Assignee: Fournier Industrie et Sante
    Inventors: Pierre Dodey, Michel Bondoux, Patrick Houziaux, Martine Barth, Khan Ou
  • Patent number: 6211181
    Abstract: This invention relates to compounds of the formula where X is halogen, R1 is H or a C1-C3 alkyl, R2 is H or OH and R3 is one of in which A is a single bond or a —CO(CH2)p—NH— group, R4 is H or —C(═NR5)NHR′5, R5 and R′5 are each H or a C1-C6 alkyl group, R6 is H or a C1-C3 alkyl group, m is 0, 1 or 2; n is 2, 3 or 4; p is 1, 2 or 3; plus their acid addition salts. The invention likewise relates to the method for their preparation and their therapeutic applications.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: April 3, 2001
    Assignee: Fournier Industrie et Sante
    Inventors: Pierre Dodey, Michel Bondoux, Patrick Houziaux, Martine Barth, Khan Ou
  • Patent number: 6080758
    Abstract: The present invention relates to compounds selected from the group consisting of the compounds of formula (I): ##STR1## X is a halogen atom, A is --CH.sub.2 --, --CH(OH)--, --CH(NH--COCH.sub.3)-- or S, R is H, CO.sub.2 H, CO.sub.2 --B--R.sub.1 or CO--N(R.sub.2)--B--R.sub.1, B is linear, branched or cyclic C.sub.1 -C.sub.10 -alkylene, R.sub.1 is H, CH.sub.2 OH, CH.sub.2 --O--CH.sub.3, CH.sub.2 --NR.sub.3 R.sub.4 or phenyl, R.sub.2 is H or C.sub.1 -C.sub.4 -alkyl, R.sub.3 is H or linear, branched or cyclic C.sub.1 -C.sub.10 -alkyl, R.sub.4 is H or linear or branched C.sub.1 -C.sub.10 -alkyl, it being possible for NR.sub.3 R.sub.4 to be a saturated heterocyclic radical having from 5 to 8 ring members and containing at least one nitrogen atom, and the carbon carrying the substituent R, when Q is saturated, can be of indeterminate (R,S) configuration or of determinate (R) or (S) configuration; and their addition salts.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: June 27, 2000
    Assignee: Fournier Industrie et Sante
    Inventors: Pierre Dodey, Michel Bondoux, Patrick Houziaux, Martine Barth, Khan Ou
  • Patent number: 6071917
    Abstract: Compounds selected from the group which consists of the compounds of formula (I), ##STR1## wherein each of X.sub.1 and X.sub.2 which are the same or different, is halogen or a C.sub.1-3 alkoxy group, R.sub.1 is H, CF.sub.3 or a C.sub.1-3 alkyl group, R.sub.2 is a hydrogen atom or an OH group, A is group (a), (b) or (c), B is a single bond, --CO--, --CO--CH.sub.2 --, --CO--CH.sub.2 --O--, --CO--CH.dbd.CH or --SO.sub.2 --, m is 2 or 3, N is 0, 1, 2 or 3, R.sub.3 is a hydrogen atom or a methyl group and W is CH or N, the amidine group C(.dbd.NR.sub.2)NH.sub.2 being in the 2, 3 or 4 position on the aromatic ring, and addition salts thereof, are disclosed. A method for preparing said compounds, and the therapeutical use thereof, particularly for treating diseases in which bradykinin is involved, are also disclosed.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: June 6, 2000
    Assignee: Fournier Industrie Et Sante
    Inventors: Pierre Dodey, Michel Bondoux, Patrick Houziaux, Martine Barth, Khan Ou
  • Patent number: 6063791
    Abstract: The present invention relates to compounds selected from the group consisting of(i) the compounds of formula I: ##STR1## in which: X is a halogen atom or a methyl group,A is a group --N(R.sub.3)CO-- or --CO--N(R.sub.3)--,B is a single bond, --CH.sub.2 -- or --CH.sub.2 --O--,R.sub.1 is H, a C.sub.1 -C.sub.3 alkyl group or a CF.sub.3 group,R.sub.2 and R.sub.3 are each independently H or a C.sub.1 -C.sub.3 alkyl group,W is CH or N, andn is 2, 3, 4 or 5; and(ii) their addition salts.It further relates to the process for their preparation and to their use in therapeutics, especially for combating pathological conditions involving bradykinin.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: May 16, 2000
    Assignee: Fournier Industrie et Sante
    Inventors: Pierre Dodey, Michel Bondoux, Patrick Houziaux, Martine Barth, Khan Ou
  • Patent number: 5968951
    Abstract: The present invention relates to novel compounds of the formula in which:X is a halogen atom,R.sub.1 and R.sub.2, which are identical or different, are each --H or --A--B--R.sub.3,A is a linear or branched C.sub.1 -C.sub.12 -alkylene chain,B is a single bond, a divalent phenylene group or a divalent indolyl group of the structure ##STR1## R.sub.3 is --H, --OH, --NR.sub.4 R.sub.5 or --COR.sub.6, R.sub.6 is --OH, --OCH.sub.3, --OC.sub.2 H.sub.5 or --NR.sub.4 R.sub.5,R.sub.4 and R.sub.5, which are identical or different, are each H, a C.sub.1 -C.sub.4 -alkyl group, --(CH.sub.2).sub.n --OH, --(CH.sub.2).sub.n --N(CH.sub.3).sub.2 or --CO--CH.sub.3, andn is an integer with a value of 2, 3 or 4; and their addition salts. It further relates to their preparation and to their use in therapeutics, especially for the treatment of pathological conditions involving bradykinin.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: October 19, 1999
    Assignee: Fournier Industrie et Sante
    Inventors: Pierre Dodey, Didier Pruneau, Jean-Luc Paquet, Michel Bondoux, Patrick Houziaux, Martine Barth, Khan Ou