Patents by Inventor Guillaume De Nanteuil

Guillaume De Nanteuil 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: 5330999
    Abstract: Compounds of formula (I): ##STR1## in which: R represents any one of the groups defined in the description. Medicinal products.
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: July 19, 1994
    Assignee: Adir et Compagnie
    Inventors: Guillaume de Nanteuil, Jacques Duhault, Denis Ravel, Yolande Herve
  • Patent number: 5296605
    Abstract: Compounds of formula (I): ##STR1## in which: R represents any one of the groups defined in the description used as medicinal products.
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: March 22, 1994
    Assignee: Adir et Compagnie
    Inventors: Guillaume de Nanteuil, Jacques Duhault, Denis Ravel, Yolande Herve
  • Patent number: 5296498
    Abstract: A compound of formula (I): ##STR1## in which: R.sub.1 represents substituted or unsubstituted phenyl or (C.sub.3 -C.sub.7) cycloalkyl,R.sub.2 represents trifluoromethyl or (C.sub.3 -C.sub.4) cycloalkyl,A represents --CH.sub.2 --, --CH.dbd.N--, .dbd.N-- or --NH--,R.sub.3 and R.sub.4, which may be identical or different, represent hydrogen or linear or branched (C.sub.1 -C.sub.6) alkyl or, with the nitrogen atoms to which they are attached, form a 5- or 6-membered heterocycle,R represents either hydrogen in the case where A=--CH.sub.2 --, --CH.dbd.N-- or --NH--, or a bond of the group A when the latter is equal to .dbd.N--,its enantiomers and epimers as well as its addition salts with a pharmaceutically acceptable acid.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: March 22, 1994
    Assignee: Adir et Compagnie
    Inventors: Charles Malen, Jean-Michel Lacoste, Guillaume de Nanteuil
  • Patent number: 5286732
    Abstract: The invention relates to the compounds of formula (I): ##STR1## in which: A represents, with the nitrogen and carbon atoms to which it is bound, a heterocycle,B represents, with the nitrogen atom to which it is bound, a heterocycle,R.sub.1 represents alkoxy, benzyloxy, phenoxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or substituted or unsubstituted cycloalkyl,their enantiomers, diastereoisomers and epimers as well as their addition salts with a pharmaceutically acceptable acid, medicinal products containing the same.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: February 15, 1994
    Assignee: Adir et Compagnie
    Inventors: Michel Vincent, Georges Remond, Bernard Portevin, Yolande Herve, Jean Lepagnol, Guillaume de Nanteuil
  • Patent number: 5266582
    Abstract: Compounds of formula (I): ##STR1## in which: R represents any one of the groups defined in the description.Medicinal products.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: November 30, 1993
    Assignee: Adir et Compagnie
    Inventors: Guillaume de Nanteuil, Jacques Duhault, Denis Ravel, Yolande Herve
  • Patent number: 5229398
    Abstract: The invention relates to compounds of general formula (I). ##STR1## in which X represents an atom of sulfur or oxygen, or a substituted or unsubstituted amino group;R represents a hydrogen atom or any one of groups A, B, C, D, E, F or G;R' represents a hydrogen atom, an alkyl group or any one of groups A, B, C, D, E or F, with R'=H when R=G;or R and R' form, with the nitrogen atom to which they are attached, an optionally substituted piperazine ring.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: July 20, 1993
    Assignee: Adir et Compagnie
    Inventors: Charles Malen, Guillaume de Nanteuil, Francis Colpaert
  • Patent number: 5229399
    Abstract: The invention relates to compounds of general formula (I). ##STR1## in which X represents an atom of sulfur or oxygen, or a substituted or unsubstituted amino group;R represents a hydrogen atom or any one of groups A, B, C, D, E, F or G;R' represents a hydrogen atom, an alkyl group or any one of groups A, B, C, D, E or F, with R'=H when R=G; or R and R' form, with the nitrogen atom to which they are attached, an optionally substituted piperazine ring.Medicaments.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: July 20, 1993
    Assignee: Adir et Compagnie
    Inventors: Charles Malen, Guillaume de Nanteuil, Francis Colpaert
  • Patent number: 5192775
    Abstract: The invention relates to compounds of general formula (I). ##STR1## in which X represents an atom of sulfur or oxygen, or a substituted or unsubstituted amino group;R represents a hydrogen atom or any one of groups A, B, C, D, E, F, or G;R' represents a hydrogen atom, an alkyl group or any one of groups A, B, C, D, E or F, with R'=H when R=G;or R and R' form, with the nitrogen atom to which they are attached, an optionally substituted piperazine ring. Medicaments.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: March 9, 1993
    Assignee: Adir et Compagnie
    Inventors: Charles Malen, Guillaume de Nanteuil, Francis Colpaert
  • Patent number: 5173502
    Abstract: A compound selected from those of formula (I): ##STR1## in which R represents straight-chain or branched lower (C.sub.1 -C.sub.6) alkyl, (C.sub.3 -C.sub.8) cycloalkyl, optionally substituted phenyl, pyridyl or naphthyl, andR.sub.1 and R.sub.2, which are the same or different, each represents hydrogen, straight-chain or branched (C.sub.1 -C.sub.6) alkyl, or straight-chain or branched (C.sub.1 -C.sub.6) acyl,an enantiomer, diastereoisomer and epimer, and an addition salt thereof with a pharmaceutically-acceptable acid.Medicinal product, which is useful as .alpha..sub.2 -antagonist.
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: December 22, 1992
    Assignee: Adir et Compagnie
    Inventors: Charles Malen, Guillaume de Nanteuil