Patents by Inventor Stéphane Leonce
Stéphane Leonce 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).
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Publication number: 20100168150Abstract: Compound of formula (I): wherein: R1, R2, R3, R4, R5, R80, R90, R81, R91, Alk, Alk?, X, X? and G are as defined in the description. Medicinal products containing the same which are useful in the treatment of cancer diseases.Type: ApplicationFiled: August 4, 2006Publication date: July 1, 2010Applicant: Les Laboratoires ServierInventors: Gilbert Lavielle, Patrick Hautefaye, Alain Pierre, John Hickman, Stephane Leonce
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Publication number: 20100168149Abstract: Compound of formula (I): wherein: R1, R2, R3, R4, R5, R80, R90, R81, R91, Alk and G are as defined in the description. Medicinal products containing the same which are useful in the treatment of cancer diseases.Type: ApplicationFiled: August 4, 2006Publication date: July 1, 2010Inventors: Gilbert Lavielle, Patrick Hautefaye, Alain Pierre, John Hickman, Stephane Leonce
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Patent number: 7741325Abstract: A compound selected from those of formula (I): wherein: B1, B2 represent carbon or nitrogen, X, Y, X1 and Y1 represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, trihaloalkyl and NRaRb wherein Ra and Rb are as defined in the description, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NRa?Rb?, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b wherein R?a, R?b, R?a and Ta are as defined in the description, R3, R4 represent hydrogen or alkyl, A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8)— or —CH(R8)—C(O)— wherein R5, R6, R7 and R8 are as defined in the description, its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.Type: GrantFiled: January 31, 2005Date of Patent: June 22, 2010Inventors: Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Pierre Renard
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Patent number: 7276512Abstract: A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, alkyl, trihaloalkyl and NRaRb, wherein Ra and Rb are as defined in the description R1 represents hydrogen or alkyl R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, —NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NR?aR?b, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b, wherein R?a, R?a, R?b and Ta are as defined in the description R3 and R4 represent hydrogen or alkyl A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8) or —CH(R8)—C(O), wherein R5, R6, R7 and R8 are as defined in the description its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.Type: GrantFiled: June 18, 2004Date of Patent: October 2, 2007Assignee: Les Laboratoires ServierInventors: Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Pierre Renard
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Patent number: 7202255Abstract: Compounds of formula (I): wherein: A is as defined in the description, Y represents a group selected from an oxygen atom and a methylene group, R2 represents a hydrogen atom and in that case: R3 represents a group selected from a hydrogen atom and the groups linear or branched (C1–C6)alkyl, aryl, aryl-(C1–C6)alkyl (in which the alkyl moiety is linear or branched) and SO2CF3, or R2 and R3 form a bond, R1 represents a group selected from a hydrogen atom and the groups linear or branched (C1–C6)alkyl, aryl and aryl-(C1–C6)alkyl (in which the alkyl moiety is linear or branched) or a linear or branched (C1–C6)alkylene chain, Z1 and Z2 each represent a hydrogen atom or Z1 and Z2, together with the carbon atoms carrying them, form a phenyl group. Medicaments.Type: GrantFiled: October 17, 2003Date of Patent: April 10, 2007Assignee: Les Laboratoires ServierInventors: Gerard Coudert, Nathalie Ayerbe, Franck Lepifre, Sylvain Routier, Daniel-Henri Caignard, Pierre Renard, John Hickman, Alain Pierre, Stephane Leonce
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Patent number: 7144891Abstract: A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, alkoxy, nitro, cyano, alkyl, alkenyl, polyhaloalkyl and —NRaRb wherein Ra and Rb are as defined in the description, Z represents oxygen or NRc wherein Rc is as defined in the description, Ar represents aryl or heteroaryl, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —ORa and —NRaRb wherein Ra and Rb are as defined in the description, R3 and R4 represent hydrogen or alkyl, R5 represents hydrogen, ORc, NRcRd, W1—C(W2)—U—V, W1—C(W2)—W3-T1 or Z-CO—CH?CHAr wherein Rc, Rd, W1, W2, W3, U, V, T, Z and Ar are as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.Type: GrantFiled: December 21, 2005Date of Patent: December 5, 2006Assignees: Les Laboratoires Servier, Centre National de la Recherche Scientifique, University Rene Descartes Paris VInventors: Michel Koch, François Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stéphane Leonce, Bruno Pfeiffer, Laurence Kraus-Berthier
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Publication number: 20060135545Abstract: A compound selected from those of formula (I): wherein: X and Y represent a group selected from hydrogen, halogen, alkoxy, nitro, cyano, alkyl, alkenyl, polyhaloalkyl and —NRaRb wherein Ra and Rb are as defined in the description, Z represents oxygen or NRc wherein Rc is as defined in the description, Ar represents aryl or heteroaryl, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —ORa and —NRaRb wherein Ra and Rb are as defined in the description, R3 and R4 represent hydrogen or alkyl, R5 represents hydrogen, ORc, NRcRd, W1—C(W2)—U—V, W1—C(W2)—W3-T1 or Z-CO—CH?CHAr wherein Rc, Rd, W1, W2, W3, U, V, T, Z and Ar are as defined in the description, its isomers, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.Type: ApplicationFiled: December 21, 2005Publication date: June 22, 2006Inventors: Michel Koch, Francois Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stephane Leonce, Bruno Pfeiffer, Laurence Kraus-Berthier
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Publication number: 20060040930Abstract: Compounds of formula (I): wherein: A is as defined in the description, Y represents a group selected from an oxygen atom and a methylene group, R2 represents a hydrogen atom and in that case: R3 represents a group selected from a hydrogen atom and the groups linear or branched (C1-C6)alkyl, aryl, aryl-(C1-C6)alkyl (in which the alkyl moiety is linear or branched) and SO2CF3, or R2 and R3 form a bond, R1 represents a group selected from a hydrogen atom and the groups linear or branched (C1-C6)alkyl, aryl and aryl-(C1-C6)alkyl (in which the alkyl moiety is linear or branched) or a linear or branched (C1-C6)alkylene chain, Z1 and Z2 each represent a hydrogen atom or Z1 and Z2, together with the carbon atoms carrying them, form a phenyl group. Medicaments.Type: ApplicationFiled: October 17, 2003Publication date: February 23, 2006Inventors: Gerard Coudert, Nathalie Ayerbe, Franck Lepiere, Sylvain Routier, Daniel-Henri Caignard, Pierre Renard, John Hickman, Alain Pierre, Stephane Leonce
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Publication number: 20050171114Abstract: A compound selected from those of formula (I): wherein: B1, B2 represent carbon or nitrogen, X, Y, X1 and Y1 represent a group selected from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, trihaloalkyl and NRaRb wherein Ra and Rb are as defined in the description, R1 represents hydrogen or alkyl, R2 represents a group selected from hydrogen, alkyl, —OR?a, —NR?aR?b, —O-Ta-OR?a, —NR?a-Ta-NR?aR?b, NR?a—C(O)-TaH, —O—C(O)-TaH, —O-Ta-NRa?Rb?, —NR?a-Ta-OR?a, —NR?a-Ta-CO2R?a and —NR?a—C(O)-Ta-NR?aR?b wherein R?a, R?b, R?a and Ta are as defined in the description, R3, R4 represent hydrogen or alkyl, A represents a group of formula —CH(R5)—CH(R6)—, —CH?C(R7)—, —C(R7)?CH—, —C(O)—CH(R8)— or —CH(R8)—C(O)— wherein R5, R6, R7 and R8 are as defined in the description, its isomers, N-oxides, and addition salts thereof with a pharmaceutically acceptable acid or base, and medicinal products containing the same which are useful in the treatment of cancer.Type: ApplicationFiled: January 31, 2005Publication date: August 4, 2005Inventors: Michel Koch, Francois Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stephane Leonce, Bruno Pfeiffer, Pierre Renard
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Publication number: 20040266753Abstract: A compound selected from those of formula (I): 1Type: ApplicationFiled: June 18, 2004Publication date: December 30, 2004Inventors: Michel Koch, Francois Tillequin, Sylvie Michel, John Hickman, Alain Pierre, Stephane Leonce, Bruno Pfeiffer, Pierre Renard
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Patent number: 6627650Abstract: A compound of formula (I): wherein: R represents hydrogen, optionally substituted alkyl or alkenyl, R1 to R8, which may be identical or different, each represents hydrogen, optionally substituted alkyl, hydroxy, acyloxy, optionally substituted amino, carboxy, optionally substituted alkoxy, or alkenyloxy, or one of R1 to R8 forms, with another of R1 to R8 that is adjacent, an alkylenedioxy group, X represents oxygen or NR16 wherein R16 represents hydrogen, alkyl, aryl or arylalkyl, R9 represents hydrogen, aryl, heteroaryl, or optionally substituted, saturated or unsaturated alkyl, an isomer thereof, or an addition salt thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful as anti-cancer agents.Type: GrantFiled: June 13, 2002Date of Patent: September 30, 2003Assignee: Les Laboratoires ServierInventors: Michel Wierzbicki, Marie-Françoise Boussard, Anne Rousseau, Ghanem Atassi, John Hickman, Alain Pierre, Stéphane Leonce, Nicolas Guilbaut, Laurence Kraus-Berthier
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Publication number: 20030125369Abstract: Compound of formula (I): 1Type: ApplicationFiled: June 13, 2002Publication date: July 3, 2003Inventors: Michel Wierzbicki, Marie-Francoise Boussard, Anne Rousseau, Ghanem Atassi, John Hickman, Alain Pierre, Stephane Leonce, Nicolas Guilbaud, Laurence Kraus-Berthier
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Patent number: 6300340Abstract: A compound of formula (I) in which: m, and n, which may be identical or different, represent 0 or 1, X and Y, which may be identical or different, represent hydrogen or halogen or alkyl, trihaloalkyl, alkoxy, hydroxyl, cyano, nitro, amino, alkylamino, or dialkylamino, Z represent a linear or branched C4 to C12 alkylene chain in which one or more —CH2— are optionally replaced by any one of the following atoms or groups: —NR—, —O—, —S—, —SO—, SO2—, or —CONH—, or by a substituted or unsubstituted heterocylcic, A forms, with two adjacent carbon atoms of the phenyl ring, a phenyl, naphthyl or tetrahydronaphthyl ring or a heterocycle, represents any one of the groups as defined in the description, its optical isomers and its addition salts with a pharamaceutically and acceptable acid or base, and medicinal products containing the same which are useful as anticancer agents.Type: GrantFiled: July 14, 2000Date of Patent: October 9, 2001Assignee: Adir et CompagnieInventors: Gilbert Lavielle, Patrick Hautefaye, Ghanem Atassi, Alain Pierre, Laurence Kraus-Berthier, Stéphane Leonce
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Patent number: 6162822Abstract: A compound of formula (I) ##STR1## in which: m, and n, which may be identical or different, represent 0 or 1,X and Y, which may be identical or different, represent hydrogen or halogen or alky, trihaloalkyl, alkoxy, hydroxyl, cyano, nitro, amino, alkylamino or dialkylamino,Z represent a linear or branched C.sub.4 to C.sub.12 alkylene chain in which one or more --CH.sub.2 -- are optionally replaced by any one of the following atoms or groups: --NR--, --O--, --S--, --SO--, --SO.sub.2 --, or --CONH--, or by a substituted or unsubstituted heterocylcic,A forms, with two adjacent carbon atoms of the phenyl ring, a phenyl, naphthyl or tetrahydronaphthyl ring or a heterocycle, ##STR2## and medicinal products containing the same are useful as anticancer agent.Type: GrantFiled: December 28, 1998Date of Patent: December 19, 2000Assignee: Adir et CompagnieInventors: Gilbert Lavielle, Patrick Hautefaye, Ghanem Atassi, Alain Pierre, Laurence Kraus-Berthier, Stephane Leonce
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Patent number: 5919791Abstract: The compounds of formula: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and A are as defined in the description, their optical isomers and N-oxides and addition salts thereof with a pharmaceutically acceptable acid or base, and their use as anti-tumour agents.Type: GrantFiled: December 29, 1997Date of Patent: July 6, 1999Assignee: Adir et CompagnieInventors: Claude Guillonneau, Emile Bisagni, Yves Charton, Ghanem Atassi, Alain Pierre, Stephane Leonce
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Patent number: 5854273Abstract: A compound of formula (I) ##STR1## in which: X and Y, which may be identical or different, represent hydrogen or halogen or alkyl, trihaloalkyl, alkoxy, hydroxyl, cyano, nitro, amino, alkylamino, or dialkylamino,Z represent a linear or branched C.sub.4 to C.sub.12 alkylene chain in which one or more --CH.sub.2 -- are optionally replaced by any one of the following atoms or groups: --NR--, --O--, --S--, --SO--, --SO.sub.2 --, or --CONH--,A forms, with two adjacent carbon atoms of the phenyl ring, a phenyl, naphthyl or tetrahydronaphthyl ring or a heterocycle, ##STR2## represents any one of the groups as defined in the description, its optical isomers and its addition salts with a pharmaceutically-acceptable acid or base, and medicinal products containing the same which are useful as anticancer agents.Type: GrantFiled: July 23, 1997Date of Patent: December 29, 1998Assignee: ADIR et CompagnieInventors: Gilbert Lavielle, Patrick Hautefaye, Ghanem Atassi, Alain Pierre, Laurence Kraus-Berthier, Stephane Leonce
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Patent number: 5238936Abstract: The compounds are trisubstituted triazines and pyrimidines useful for the suppressing the resistance of tumour cells to anti-cancer agents and for suppressing the resistance of parasites to anti-parasitic agents.A compound disclosed is 2,4-diallylamino-6-{4-[(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-yl) methylamino]piperidin-1-yl}-1,3,5-triazine.Type: GrantFiled: March 6, 1992Date of Patent: August 24, 1993Assignee: Adir et CompagnieInventors: Gilbert Regnier, Alain Dhainaut, Ghanem Atassi, Alain Pierre, Stephane Leonce
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Patent number: 5225411Abstract: The compounds are 2,4-(optionally substituted amino)-6-substituted s.triazines, useful for suppressing the resistance of tumour cells to anti-cancer agents and for suppressing the resistance of parasites to anti-parasitic agents.A compound disclosed is 1-[4,6-bis(allylamino)-2-s-triazinyl]-4-[2,2-bis(p.fluorophenyl)ethylamino ]piperidine.Type: GrantFiled: July 10, 1991Date of Patent: July 6, 1993Assignee: Adir et CompagnieInventors: Gilbert Regnier, Alain Dhainaut, Ghanem Atassi, Alain Pierre, Stephane Leonce