Patents by Inventor Gerard Taurand

Gerard Taurand 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: 5321026
    Abstract: New phenothiazine derivatives of general formula (I) in whichR represents 4- to 6-membered cycloalkyl, or represents --CH.sub.2 R" in which R" is hydrogen, alkyl containing 1 to 5 carbon atoms, alkenyl or alkynyl containing 2 to 4 carbon atoms, cycloalkyl (3- to 6-membered), phenyl, optionally substituted (with 1 or 2 halogen atoms or with a hydroxyl, alkyl, alkyloxy, trifluoromethyl or nitro radical) or heterocyclic selected from furyl, thienyl or pyridyl, andR' either represents a radical of general formula (IIa) in which R.sub.1 and R.sub.2, which may be identical or different, are alkyl, cycloalkylalkyl, hydroxyalkyl or acetyloxyalkyl or, together with the nitrogen atom to which they are attached, form a saturated or partially unsaturated 4- to 7-membered heterocycle optionally substituted with 1 or 2 alkyl, hydroxyalkyl or acetyloxyalkyl radicals, andR.sub.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: June 14, 1994
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Claude Garret, Claude Guyon, Bernard Plau, Gerard Taurand
  • Patent number: 5049669
    Abstract: Phenothiazine derivatives of general formula (I), in which R is a linear or branched (1 to 6 C) alkyl radical and R.sub.1 and R.sub.2, which may be identical or different, are linear or branched (1 to 4 C) alkyl radicals or form, with the nitrogen atom to which they are attached, a 4- to 7-membered heterocycle, their isomeric forms and mixtures thereof as well as their addition salts with acids, possess analgesic and diuretic activity.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: September 17, 1991
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Garret, Claude Guyon, Bernard Plau, Gerard Taurand
  • Patent number: 4985419
    Abstract: Phenothiazine derivatives of formula: ##STR1## in which Y is hydrogen or halogen, R.sub.1 and R.sub.2, which may be identical or different, denote alkyl, cycloalkyl-alkyl, hydroxyalkyl or acetyloxyalkyl radicals or form, together with the nitrogen atom to which they are attached, an optionally substituted, saturated or partially unsaturated 4- to 7-membered heterocycle; and either X is oxygen, sulphur or: N-R.sub.4, R is cycloalkyl, phenyl or --CH.sub.2 R.sub.3, R.sub.3 is H, alkyl (1 to 5 C), alkenyl or alkynyl (2 to 4 C), cycloalkyl (3 to 6 C), phenyl, substituted phenyl or a heterocyclic radical, R.sub.4 is H or --CN, except that X is not oxygen if, simultaneously, R.sub.3 is H or alkyl, R.sub.1 and R.sub.2 are alkyl or NR.sub.1 R.sub.2 forms an unsubstituted heterocycle, and Y is H; or X is: N-R.sub.4 and R.sub.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: January 15, 1991
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Garret, Claude Guyon, Bernard Plau, Gerard Taurand
  • Patent number: 4912105
    Abstract: Phenothiazine derivatives of formula ##STR1## in which R represents --NR.sub.1 R.sub.2 in which R.sub.1 and R.sub.2, which may be identical or different, are alkyl, hydroxyalkyl or acetyloxyalkyl radicals, or form, together with the nitrogen atom to which they are attached, a heterocycle containing 4 to 7 members which may be substituted by 1 or 2 alkyl, hydroxyalkyl or acetyloxyalkyl radicals, or R represents --N.sup.+ R.sub.1 R.sub.2 R.sub.3 in which R.sub.1 and R.sub.2 are as defined above and R.sub.3 is alkyl or phenylalkyl, their isomeric forms and their mixtures, and their salts, are useful in the field of antidiarrhetics.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: March 27, 1990
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Garret, Claude Guyon, Bernard Plau, Gerard Taurand
  • Patent number: 4753941
    Abstract: The invention provides new substituted amides of formulaR--CONH--Hetin which:either R is phenyl substituted by acyloxy, alkylthio or alkyloxycarbonylamino, or by chloro at the 2- or 4-position, or by two alkyloxy radicals, or R is 2- or 4-pyridyl, pyrazinyl, 5,6-dihydrodithiin-2-yl, 5,6-dihydrooxathiin-2-yl, 1,3-dithiolyl, thiazolyl or substituted thienyl or furyl, or R is alkenyl (of 2 to 4 carbons) unsaturated in the .alpha.-position to the amide carbonyl, and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by halogen, alkyloxy, phenoxy, 3-chloro- or dichlorophenoxy, hydroxy or cyano,or R is methoxyphenyl and Het is 1,8-naphthyridin-2-yl substituted in the 7-position by 3-chloro- or dichlorophenoxy, hydroxy or cyano, or R is methoxy-3-pyridazinyl and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by phenoxy, the said alkyl and acyl radicals containing 1 to 4 carbon atoms in a linear or branched chain, their preparation and the pharmaceutical compositions which contain them.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: June 28, 1988
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Cotrel, Claude Guyon, Gerard Roussel, Gerard Taurand
  • Patent number: 4753933
    Abstract: The invention provides new substituted amides of formula:R--CONH--Hetin which: either R is cycloalkyl (3 to 6 carbons), cyclohexadienyl, phenyl, substituted phenyl or a heterocyclic systems chosen from 3-pyridyl, alkyloxy-3-pyridyl, thienyl, alkylthienyl, furyl, tetrahydropyridyl, pyridazinyl, and alkylpyridazinyl, and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by alkyloxy, alkylthio or alkylsulphinyl, themselves substituted with alkylamino or dialkylamino (in which the alkyl portions can form, with the nitrogen atom, a 5- or 6-membered heterocyclic system optionally containing another hetero atom chosen from O, S or N, and optionally substituted by alkyl) or by dialkylcarbamoyl or N-alkyl-N-(alkyloxycarbonyl)amino, or substituted at the 7-position by dialkylaminovinyl; or R is 4-(alkylamino)phenyl or 4-(alkyloxycarbonylamino)phenyl and Het is 1,8-naphthyridin-2-yl substituted at the 7-position by alkyloxy or alkylthio, the said alkyl radicals and alkyl portions containing 1 to 4 carbons, thei
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: June 28, 1988
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Cotrel, Claude Guyon, Gerard Roussel, Gerard Taurand
  • Patent number: 4720500
    Abstract: Amides of formula ##STR1## in which either R is 2-quinolyl, substituted phenyl (substituted by Br, 3-Cl, CF.sub.3, alkyloxycarbonyl, 4-dialkylamino), dichlorophenyl, trialkyloxyphenyl, benzyl, styryl, benzoyl or anilino and R' is halogen, phenyl or anilino or R' is phenoxy or 4-chlorophenoxy when R is 2-quinolyl, substituted phenyl, trialkyloxyphenyl, benzyl or styryl or R' is 4-fluoro(or alkyloxy)phenyl when R is 4-trifluoromethyl (or dialkylamino)phenyl, or R' is 3-bromophenyl when R is anilino, or R is phenyl or alkyloxyphenyl and R' is phenyl, 4-chlorophenoxy, anilino or 1-pyrrolidinyl or R' is 2-(or 4-)chlorophenyl, 3-(or 4-)bromophenyl, 4-alkyloxyphenyl or 3,4-dichloro(or dibromo)phenyl when R is phenyl or R is 3-halophenyl and R' is 3-(or 4-)fluorophenyl, 3-(or 4-)bromophenyl, 4-chlorophenyl, 2-(or 3-)-alkyloxyphenyl, 3-alkylphenyl or 3,4-difluoro(dichloro or dibromo)phenyl, the straight-chain or branched alkyl radical containing 1 to 4 carbon atoms each, are useful as immunostimulant agents.
    Type: Grant
    Filed: July 10, 1986
    Date of Patent: January 19, 1988
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Cotrel, Claude Guyon, Gerard Roussel, Gerard Taurand
  • Patent number: 4642308
    Abstract: The invention provides novel substituted amides of formula:R--CONH--Hetin which R is cycloalkyl, cyclohexadienyl, phenyl optionally substituted with one or 2 fluorine atoms or with a hydroxy radical, or substituted at position 3- or 4- with an alkyl or alkyloxy radical, or with a methylenedioxy radical at positions 3- and 4-, or at position 2- or 3- with a dialkylamino radical, or is 3-pyridyl, alkyloxy-3-pyridyl, thienyl, alkylthienyl, furyl, tetrahydropyridyl, pyridazinyl and alkylpyridazinyl, and Het is 2-quinolyl or 1,8-naphthyridin-2-yl, both optionally substituted at position 7- with a halogen atom or a hydroxymethyl, alkyl, alkyloxy, alkyloxyalkyloxy, alkenyloxy or alkynyloxy radical (of 3 or 4 carbon atoms), an alkylthio or benzylthio radical, a phenoxy radical which is optionally substituted (with fluorine, with chlorine or bromine at position 2-, or with an alkyloxy radical or 1 or 2 alkyl radicals) or with pyridyloxy or alkylpiperidyloxy, provided that, when Het is 2-quinolyl, R is other than pheny
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: February 10, 1987
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Cotrel, Claude Guyon, Gerard Roussel, Gerard Taurand
  • Patent number: 4576954
    Abstract: New derivatives of the general formula (I) in which:R=H or Cl and either R.sub.1 and R.sub.2 form a tetrahydroquinoxaline, tetrahydroquinoline, tetrahydroisoquinoline, dihydrobenzoxazine, tetrahydro-1H-benzazepine or isoindoline ring, it being possible for all these rings to be substituted by one or more halogen, carboxyl, alkoxycarbonyl, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, trifluoromethyl, cyano, nitro, alkoxy, alkylthio or alkyl, substituted by carboxyl, alkoxycarbonyl, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, hydroxyl, amino, alkylamino or dialkylamino, or R.sub.1 =alkyl and R.sub.2 =alkyl substituted by phenyl which is itself unsubstituted or substituted by one or more halogen, alkyl, alkoxy, alkylthio, hydroxy, amino, alkylamino, dialkylamino, carboxy, alkoxycarbonyl, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, trifluoromethyl, cyano or nitro, all the alkyls having 1 to 4 C in a straight or branched chain.These new products are used as antirheumatics.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: March 18, 1986
    Assignee: Phone-Poulenc Sante
    Inventors: Jean-Dominique Bourzat, Claude Cotrel, Daniel Farge, Jean-Marc Paris, Gerard Taurand
  • Patent number: 4407797
    Abstract: New compounds of the formula: ##STR1## wherein X.sup..crclbar. is an anion, R is (C.sub.1-7) alkyl [unsubstituted or substituted by hydroxy, carboxy, alkoxycarbonyl, cyano, dialkylamino, alkylcarbonyl, or benzoyl which is unsubstituted or substituted by one or more halogen atoms or radicals selected from alkyl (optionally substituted by one or more halogens), alkoxy, hydroxy, amino, alkylamino, dialkylamino, cyano and nitro, or by a thenoyl radical (which is unsubstituted or substituted by one or more halogens or radicals selected from alkyl, cyano and nitro), or a pyridinecarbonyl, carbamoyl or dialkylcarbamoyl radical (the alkyl radicals of which can form a 5-membered or 6-membered heterocyclic ring) or a pyridyl radical], dialkylcarbamoyl (the alkyl radicals of which can form a 5-membered or 6-membered heterocyclic ring), (C.sub.2-4) alkenyl, (C.sub.2-4) alkynyl, alkoxycarbonyl or a 2-oxotetrahydrofuran-3-yl or 2-oxotetrahydropyran-3-yl ring, and either R.sub.1 and R.sub.
    Type: Grant
    Filed: August 10, 1982
    Date of Patent: October 4, 1983
    Assignee: Rhone-Poulenc Sante
    Inventors: Claude Cotrel, Daniel Farge, Gerard Taurand