Patents by Inventor Stefano Bianchi

Stefano Bianchi 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: 7355078
    Abstract: Provided are processes for preparing tomoxetine comprising reacting N-methyl-3-hydroxy-3-phenylpropylamine with dimethylsulfoxide (DMSO) and 2-fluorotoluene in the presence of an alkali base to form tomoxetine. Also provided is the conversion of said tomoxetine into atomoxetine or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: April 8, 2008
    Assignee: Teva Pharmaceutical Fine Chemicals S.r.l.
    Inventors: Eugenio Castelli, Giuseppe Lo Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Patent number: 7335772
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C]quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C]quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C]quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-carboxamide, and to the said intermediates.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: February 26, 2008
    Assignee: TEVA Gyógyszergyár Zártkörüen Müködö Részvénytársaság
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Publication number: 20080021244
    Abstract: The invention is directed to processes for making levalbuterol HCl Polymorph A from by suspending or forming a first slurry of (R)-SLB(D)-DBTA in at least a first organic solvent, adding HCl to the suspension or slurry of the solid (R)-SLB.D-DBTA until the (R)-SLB.D-DBTA forms levalbuterol HCl Polymorph A, and isolating the levalbuterol HCl Polymorph A.
    Type: Application
    Filed: July 11, 2007
    Publication date: January 24, 2008
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio, Angelo Spreafico, Judith Aronhime, Adrienne Kovacsne-Mezei
  • Patent number: 7317127
    Abstract: The present invention provides a process for the optical resolution of racemic tomoxetine under reaction conditions that improve reaction yields and optical purity. The invention also provides an epimerization process for the (S)-(+) enantiomer. The invention further provides the conversion of the enantiomer obtained from the optical resolution into atomoxetine or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: January 8, 2008
    Assignee: Teva Pharmaceutical Fine Chemicals S.r.l
    Inventors: Eugenio Castelli, Giuseppe Lo Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Patent number: 7259261
    Abstract: Processes for separation of enantiomers of clopidogrel, and converting one enantiomer of clopidogrel to another enantiomer of clopidogrel are provided. The enantiomers are separated by crystallizing the (S) enantiomer as camphor sulfonate salt from a hydrocarbon, or a mixture of a hydrocarbon and a co-solvent, preferably DMF:toluene. The (R) enantiomer is then racemized and recycled by reaction with a catalytic amount of a base, preferably with t-butoxide.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: August 21, 2007
    Assignee: TEVA Gyógyszergyár Zártkörűen Működő Részvénytársaság
    Inventors: Merli Valeriano, Paola Daverio, Stefano Bianchi
  • Publication number: 20070060755
    Abstract: The invention provides 1H-imidazo (4,5-c) quinoline-4-phthalimide intermediates useful in the synthesis of 1H-imidazo (4,5-c) quinoline-4-amines, particularly Imiquimod. The invention further provides a method for making the intermediates and a method for making 1H-imidazo (4,5-c) quinoline-4-amines via the intermediates.
    Type: Application
    Filed: November 15, 2006
    Publication date: March 15, 2007
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Patent number: 7189028
    Abstract: A pipe-laying vessel includes an upwardly extending tower (14) assembly defining a path down which the pipe passes as a pipeline (40) is being laid by the vessel, and a lower guide arrangement for guiding the pipeline after it has passed down the tower, the lower guide arrangement (61) including a plurality of sets of guide rollers spaced apart along the path of the pipeline and defining the lateral limits of the path, the guide rollers being located such that they allow some bending of the pipeline as it passes through the lower guide arrangement.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: March 13, 2007
    Assignee: Saipem, S.p.A.
    Inventors: Teresio Signaroldi, Stefano Bianchi
  • Patent number: 7166721
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C] quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C] quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c] quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C] quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-carboxamide, and to the said intermediates.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: January 23, 2007
    Assignee: TEVA Gyógyszergyár Zártkörűen Működő Részvénytársaság
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Patent number: 7153967
    Abstract: The invention provides 1H-imidazo(4,5-C)quinolin-4-phthalimide intermediates useful in the synthesis of 1H-imidazo(4,5-C)quinoline-4-amines, particularly Imiquimod. The invention further provides a method for making the intermediates and a method for making 1H-imidazo(4,5-C)quinoline-4-amines via the intermediates.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: December 26, 2006
    Assignee: TEVA Gyógyszergyár Zártkörüen Müködö Részvénytársaság
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Publication number: 20060211772
    Abstract: The present invention provides improved processes for the preparation of atomoxetine hydrochloride under reaction conditions that improve reaction yields and facilitate commercial synthesis. In particular, the invention is directed to the synthesis of atomoxetine HCl by adding HCl to a mixture of (R)-(?)-tomoxetine (S)-(+)-mandelate with an organic solvent, with or without a base and water. In preferred embodiments, the atomoxetine hydrochloride produced is Form A.
    Type: Application
    Filed: September 7, 2005
    Publication date: September 21, 2006
    Inventors: Judith Aronhime, Stefano Bianchi, Eugenio Castelli, Paola Daverio, Silvia Mantovani, Adrienne Kovacsne-Mezei
  • Publication number: 20060173215
    Abstract: A process for the preparation of memantine hydrochloride, intermediates thereof and its hydrochloric acid form are provided.
    Type: Application
    Filed: January 11, 2006
    Publication date: August 3, 2006
    Inventors: Valeriano Merli, Silvia Mantovani, Paola Daverio, Stefano Bianchi, Alessandro Spreafico
  • Publication number: 20060079581
    Abstract: The present invention provides novel crystalline polymorph forms of atomoxetine hydrochloride denominated Forms B and C and methods for their preparation, as well as methods for the preparation of Form A. The present invention provides pharmaceutical compositions that comprise atomoxetine hydrochloride Form B, Form C, or mixtures thereof that can be used to treat attention deficit/hyperactivity disorder.
    Type: Application
    Filed: July 21, 2005
    Publication date: April 13, 2006
    Inventors: Judith Aronhime, Stefano Bianchi, Eugenio Castelli, Paola Daverio, Silvia Mantovani, Adrienne Kovacsne-Mezei
  • Publication number: 20060009531
    Abstract: Provided are processes for preparing tomoxetine comprising reacting N-methyl-3-hydroxy-3-phenylpropylamine with dimethylsulfoxide (DMSO) and 2-fluorotoluene in the presence of an alkali base to form tomoxetine. Also provided is the conversion of said tomoxetine into atomoxetine or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Giuseppe Lo Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Publication number: 20060009489
    Abstract: The present invention provides improved processes for the preparation of atomoxetine hydrochloride under reaction conditions that improve reaction yields and facilitate commercial synthesis. In particular, the invention is directed to the synthesis of atomoxetine HCl by adding HCl to a mixture of (R)-(?)-tomoxetine (S)-(+)-mandelate with an organic solvent, with or without a base and water.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Giuseppe Lo Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Publication number: 20060009530
    Abstract: The present invention provides a process for the optical resolution of racemic tomoxetine under reaction conditions that improve reaction yields and optical purity. The invention also provides an epimerization process for the (S)-(+) enantiomer. The invention further provides the conversion of the enantiomer obtained from the optical resolution into atomoxetine or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Eugenio Castelli, Giuseppe Monaco, Silvia Mantovani, Paola Daverio, Paolo Riva, Alessandra Vailati, Stefano Bianchi
  • Publication number: 20050272821
    Abstract: The invention is directed to processes for making levalbuterol HCl Polymorph A from by suspending or forming a first slurry of (R)-SLB(D)-DBTA in at least a first organic solvent, adding HCl to the suspension or slurry of the solid (R)-SLB.D-DBTA until the (R)-SLB.D-DBTA forms levalbuterol HCl Polymorph A, and isolating the levalbuterol HCl Polymorph A.
    Type: Application
    Filed: May 20, 2005
    Publication date: December 8, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio, Angelo Spreafico, Judith Aronhime, Adrienne Kovacsne-Mezei
  • Publication number: 20050267216
    Abstract: The invention is directed to levalbuterol HCl Form B and methods of making the same.
    Type: Application
    Filed: May 20, 2005
    Publication date: December 1, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio, Angelo Spreafico, Judith Aronhime, Adrienne Kovacsne-Mezei
  • Publication number: 20050261368
    Abstract: Provided are processes for the preparation of (R)-SLB.D-DBTA salt and levalbuterol hydrochloride. Also provided are levalbuterol hydrochloride degradation products and processes for preparing them. Pharmaceutical compositions comprising at least one levalbuterol hydrochloride of the invention and at least one pharmaceutically-acceptable excipient are also provided.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 24, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi, Paola Daverio
  • Publication number: 20050119294
    Abstract: The invention relates to a process for the synthesis of 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C]quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C]quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c]quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C]quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c]quinoline 4-carboxamide, and to the said intermediates.
    Type: Application
    Filed: December 9, 2004
    Publication date: June 2, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi
  • Publication number: 20050113404
    Abstract: The invention provides 1H-imidazo(4,5-C)quinolin-4-phthalimide intermediates useful in the synthesis of 1H-imidazo(4,5-C)quinoline-4-amines, particularly Imiquimod. The invention further provides a method for making the intermediates and a method for making 1H-imidazo(4,5-C)quinoline-4-amines via the intermediates.
    Type: Application
    Filed: December 23, 2004
    Publication date: May 26, 2005
    Inventors: Valeriano Merli, Silvia Mantovani, Stefano Bianchi