Patents by Inventor Francesco Santangelo

Francesco Santangelo 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: 8362079
    Abstract: The invention relates to a method and composition for treatment of oxidative stress resulting from hemodialysis treatment in patients suffering from chronic kidney failure or End-Stage Renal Disease by administration of cystine, cysteine or mixtures thereof.
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: January 29, 2013
    Assignee: Bio 3 Research S.R.L.
    Inventor: Francesco Santangelo
  • Publication number: 20070270495
    Abstract: The invention discloses the use of cystine and/or cysteine for the preparation of oral medicinal products for the prevention and treatment of oxidative stress resulting from haemodialysis treatment in patients suffering from chronic kidney failure as well as for the treatment and prevention of acute or chronic kidney diseases and of End-Stage Renal Disease.
    Type: Application
    Filed: December 16, 2004
    Publication date: November 22, 2007
    Inventor: Francesco Santangelo
  • Publication number: 20040043999
    Abstract: A process for preparing a compound of formula I: 1
    Type: Application
    Filed: May 20, 2003
    Publication date: March 4, 2004
    Applicant: Zambon Group S.p.A
    Inventors: Mauro Napoletano, Gabriele Norcini, Daniela Botta, Giancarlo Grancini, Gabriele Morazzoni, Francesco Santangelo, Jorge G. Siro Herrero, Jose Luis Garcia Navaio, Julio G. Alvarez-Builla
  • Patent number: 6627659
    Abstract: The present invention relates to methods of decreasing the effects of oxidative stress in patients undergoing hemodialysis by intravenously administering N-acetylcysteine or a pharmaceutically acceptable salt thereof to the patient.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: September 30, 2003
    Assignee: Zambon Group S.p.A.
    Inventor: Francesco Santangelo
  • Publication number: 20030139472
    Abstract: The present invention relates to methods of decreasing the effects of oxidative stress in patients undergoing dialysis by intravenously administering N-acetylcysteine or a pharmaceutically acceptable salt thereof to the patient.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 24, 2003
    Applicant: ZAMBON GROUP S.p.A.
    Inventor: Francesco Santangelo
  • Patent number: 6589951
    Abstract: Compounds of formula (I) wherein B is alkylene, amino, CONH or a bond; Cy is optionally substituted phenyl or heteroaryl; R is H, phenyl or (C1-4)alkyl optionally substituted; R1 is (C1-6)alkyl or polyfluoro(C1-6)-alkyl; R2 is (C4-7)cycloalkyl optionally containing an oxygen atom and optionally substituted; and the N→O derivatives and pharmaceutically acceptable salt thereof are PDE 4 and TNF&agr; inhibitors.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: July 8, 2003
    Assignee: Zambon Group S.p.A.
    Inventors: Mauro Napoletano, Gabriele Norcini, Daniela Botta, Giancarlo Grancini, Gabriele Morazzoni, Francesco Santangelo, Jorge G. Siro Herrero, José Luis Garcia Navaio, Julio G. Alvarez-Builla
  • Patent number: 6548480
    Abstract: Compounds of formula (I) wherein R is an alkyl, aryl or arylalkyl group wherein the aryl is phenyl naphthyl or heterocycle; R1 and R2, the same or different, are hydrogen atoms or alkyl groups; R3 is an aryl or arylalkyl group wherein the aryl is as above; R4 is a heterocycle optionally substituted with a heterocycle or phenyl, or it is a phenyl group substituted with a heterocycle (R4 is not imidazole or indole); X is a bond or —OCONH or —CONH— group, processes for their preparation and pharmaceutical compositions thereof, are described. The compounds of formula (I) are endowed with a dual ACE-inhibitory and NEP-inhibitory activity and are useful in the treatment of cardiovascular disease.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: April 15, 2003
    Assignee: Zambon Group S.p.A.
    Inventors: Gabriele Norcini, Daniela Botta, Francesco Santangelo
  • Patent number: 6232348
    Abstract: Compounds of formula (I) wherein R, R′, R″, R1, R2, R3, R4, R5, R6, X, Y, m, n, and p have the meanings reported in the description; and their pharmaceutically acceptable salts are described.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: May 15, 2001
    Assignee: Zambon Group S.p.A.
    Inventors: Stefania Montanari, Paolo Cavalleri, Francesco Santangelo, Cristina Fraire, Giancarlo Grancini, Napoletano Mauro, Francesco Marchini, Lorenzo Pradella, Claudio Semeraro
  • Patent number: 6211380
    Abstract: A process for the preparation of heteroaryl-zinc halides of the formula (II): Het—Zn—X, wherein Het is an optionally substituted 5 or 6 membered aromatic heterocyclic group with one or two heteroatoms selected among nitrogen, oxygen or sulphur; X is a chlorine, bromine or iodine atom; comprising metallation reaction of heteroarylhalide with metallic zinc optionally activated by washing with acids, is described. Compounds of the formula (II) are intermediates useful in the synthesis for the preparation of compounds endowed with pharmacological activity.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: April 3, 2001
    Assignee: Zambon Group S.p.A.
    Inventors: Mario Fantucci, Francesco Santangelo
  • Patent number: 6166051
    Abstract: Compounds of formula (I) wherein R, R.sub.1, R.sub.2, R.sub.3 have the meanings reported in the description, processes for their preparation and pharmaceutical compositions which contain them as active ingredients are described. The compounds of formula (I) are endowed with a mixed ACE-inhibitory and NEP-inhibitory activity and are useful in the treatment of cardiovascular diseases.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: December 26, 2000
    Assignee: Zambon Group S.p.A.
    Inventors: Franco Pellacini, Stefano Romagnano, Gabriele Norcini, Francesco Santangelo, Claudio Semeraro
  • Patent number: 6107318
    Abstract: A compound of Formula (I) ##STR1## or a pharmaceutically acceptable salt thereof, wherein n is an integer between 2 and 6 and R.sub.1 is a methyl group or a group ##STR2## wherein R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, hydroxy, methoxy, methylsulfonyl, or one of R.sub.2, R.sub.3 and R.sub.4 together with another one of the three substituents forms a --O--CH.sub.2 --O-- bridge. The asterisk marks an asymmetric carbon atom.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: August 22, 2000
    Assignee: Zambon Group S.p.A.
    Inventors: Felice Pocchiari, Claudio Masotto, Paolo Cavalleri, Stefania Montanari, Francesco Santangelo
  • Patent number: 6080768
    Abstract: Compounds of the formula: ##STR1## wherein the variables are as defined in the specification. These compounds are useful in the treatment of arterial hypertension and heart failure, of renal insufficiency, of peripheral arteriopathies and of cerebrovascular insufficiencies.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: June 27, 2000
    Assignee: Zambon Group S.p.A.
    Inventors: Stefania Montanari, Paolo Cavalleri, Francesco Santangelo
  • Patent number: 6063964
    Abstract: Compounds of formula (I) wherein R.sub.1 and R.sub.2 are independently hydrogen or an optionally branched C.sub.1-4 alkyl group; the asterisk marks an asymmetric carbon atom; and the pharmaceutically acceptable salts thereof, useful in cardiovascular field, are described.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: May 16, 2000
    Assignee: Zambon Group S.p.A.
    Inventors: Stefania Montanari, Paolo Cavalleri, Francesco Santangelo, Francesco Marchini
  • Patent number: 5994539
    Abstract: Compounds of formula ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, m and n have the meanings reported in the description, processes for their preparation and pharmaceutical compositions which contain them as active ingredients are described.The compounds of formula I are endowed with a mixed ACE-inhibitory and NEP-inhibitory activity and are useful in the treatment of cardiovascular diseases.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: November 30, 1999
    Assignee: Zambon Group S.p.A.
    Inventors: Franco Pellacini, Stefano Romagnano, Gabriele Norcini, Francesco Santangelo, Mario Fantucci, Claudio Semeraro
  • Patent number: 5866604
    Abstract: Compounds of formula (I) wherein R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, m and n have the meanings reported in the description, processes for their preparation and pharmaceutical compositions which contain them as active ingredients are described. The compounds of formula (I) are endowed with a mixed ACE-inhibitory and NEP-inhibitory activity and are useful in the treatment of cardiovascular diseases.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: February 2, 1999
    Assignee: Zambon Group S.p.A.
    Inventors: Franco Pellacini, Stefano Romagnano, Gabriele Norcini, Francesco Santangelo
  • Patent number: 5847092
    Abstract: Erythromycin 9-oxime derivatives wherein a phenyl or heterocylic group is attached indirectly to the 9-position of erythromycin A through an alkylene diamine bridging member. These compounds exhibit broad spectrum antibiotic activity.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: December 8, 1998
    Assignee: Zambon Group S.p.A.
    Inventors: Franco Pellacini, Giovanna Schioppacassi, Enrico Albini, Daniela Botta, Stefano Romagnano, Francesco Santangelo
  • Patent number: 5760241
    Abstract: Compounds of formula ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, m and n have the meanings reported in the description, processes for their preparation and pharmaceutical compositions which contain them as active ingredients are described.The compounds of formula I are endowed with a mixed ACE-inhibitory and NEP-inhibitory activity and are useful in the treatment of cardiovascular diseases.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: June 2, 1998
    Assignee: Zambon Group S.p.A.
    Inventors: Francesco Santangelo, Mario Fantucci, Claudio Semeraro, Franco Pellacini, Stefano Romagnano, Gabriele Norcini
  • Patent number: 5760285
    Abstract: Compounds of formula (II) ##STR1## wherein R is a biphenyl group optionally substituted by one or more substituents, the same or different, selected among halogen atoms, hydroxy groups, alkoxy, alkyl or thioalkyl groups having from 1 to 6 carbon atoms in the alkyl moiety, carboxylic groups, nitro groups, amino, mono- or di-alkylamino groups having from 1 to 6 carbon atoms in the alkyl moiety; R.sub.1 is a hydrogen atom or a straight or branched C.sub.1 -C.sub.4 allyl; R.sub.2 is a straight or branched C.sub.1 -C.sub.6 alkyl or an arylalkyl having from 1 to 6 carbon atoms in the alkyl moiety wherein the aryl is a phenyl, a naphthyl or a 5 or 6 membered aromatic heterocycle with one or two heteroatoms selected among nitrogen, oxygen and sulphur, optionally substituted as above indicated for the R substituent; R.sub.3 is a straight or branched C.sub.1 -C.sub.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: June 2, 1998
    Assignee: Zambon Group S.p.A.
    Inventors: Gabriele Norcini, Gabriele Morazzoni, Francesco Santangelo
  • Patent number: 5747513
    Abstract: Compounds of the formula: ##STR1## wherein R is a hydrogen atom or an OY group; R.sub.1 is a hydrogen atom or in OY' group; R.sub.2 is a hydrogen atom or an OY" group; provided that at lent one among R, R.sub.1 and R.sub.2 is hydrogen but R, R.sub.1, and R.sub.2 are not contemporaneously hydrogen atoms and R.sub.1 and R.sub.2 are not contemporaneously OY' or OY" groups respectively; m is an integer 1 or 2; n is an integer 3 to 8; p is an integer 2, 3, or 4; R.sub.3 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl; R.sub.4 is a phenyl optionally substituted by halogen atom or a C.sub.1 -C.sub.3 alkyl or alkoxy group or a 5- or 6- membered heteroaryl containing one or more heteroatoms selected from oxygen, nitrogen and sulphur, optionally substituted by halogen atoms, hydroxy groups, C.sub.1 -C.sub.3 alkyl or alkoxy groups; X is CH.sub.2, NH, S, SO, SO.sub.2, CO, CF.sub.2, O and, when R.sub.4 is a 5- or 6- membered heteroaryl, X can be also a single bond. Pharmaceutically acceptable salts are described.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: May 5, 1998
    Assignee: Zambon Group, S.P.A.
    Inventors: Stefania Montanari, Paolo Cavalleri, Francesco Santangelo
  • Patent number: 5739123
    Abstract: Compounds of formula (I), ##STR1## wherein R is a biphenyl group optionally substituted, by one or more substituents, the same or different selected among halogen atoms, hydroxy groups, alkoxy, alkyl thioalkyl or alkoxycarbonyl groups having from 1 to 6 carbon atoms in the alkyl moiety, C.sub.1 -C.sub.3 alkyl groups containing one or more fluorine atoms, carboxy groups, nitro groups, amino or aminocarbonyl groups, acylamino groups, aminosulphonyl groups, momo- or di-alkylamino groups having from 1 to 6 carbon atoms in the alkyl moiety, mono- or di-alkylamino-carbonyl groups having from 1 to 6 carbon atoms in the alkyl moiety; R.sub.1 is a hydrogen atom, a straight or branched C.sub.1 -C.sub.
    Type: Grant
    Filed: November 27, 1996
    Date of Patent: April 14, 1998
    Assignee: Zambon Group S.p.A.
    Inventors: Gabriele Norcini, Daniela Botta, Francesco Santangelo, Gabriele Morazzoni