Patents by Inventor Sergio Tognella

Sergio Tognella 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: 4871528
    Abstract: Pharmaceutical compositions containing unit or separate dosages of 2.5 to 5 grams of reduced glutathione (GSH) and known anti-tumor agents, to be used simultaneously, separately or sequentially in anti-tumor therapy.Compounds of the invention, that can be used both in mono- or polychemotherapy, reach surprising results against tumors, thus avoiding the onset of dangerous side-effects, such as nephrotoxicity induced by cisplatinum, and increasing the long term survival rates.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: October 3, 1989
    Assignee: Boehringer Biochemia Robin SpA
    Inventors: Sergio Tognella, Michele Tedeschi, Roberto Assereto, Odoardo Tofanetti, Ennio Cavalletti
  • Patent number: 4857643
    Abstract: 2-Substituted thiazolidines compounds having formula I ##STR1## wherein X is a CH.sub.2, O or S, R is hydroxy or an acyloxy, alkyloxy, alkenyloxy or alkinyloxy group, R.sub.1 is hydrogen or a group of formula ##STR2## R.sub.2 is hydrogen or a free or esterified carboxy group, R.sub.a and R.sub.b are hydrogen or methyl, p is zero or 1, R.sub.3 is hydrogen, a C.sub.1 -C.sub.2 alkylsulphonyl group, a phenyl or p-Cl phenyl, p-methylsulphonyl group or an acyl group; are useful as mucus regulating, antitussive and antibronchospastic agents.
    Type: Grant
    Filed: November 3, 1988
    Date of Patent: August 15, 1989
    Assignee: Boehringer Biochemia Robin S.p.A.
    Inventors: Carmelo A. Gandolfi, Silvano Spinelli, Odoardo Tofanetti, Raimondo Russo, Sergio Tognella
  • Patent number: 4849437
    Abstract: Thiazolidines of formula I ##STR1## wherein R is H, C.sub.1 -C.sub.4 -alkyl, allyl or propargyl;X is O, CH.sub.2, S;R.sub.1 is C.sub.1 -C.sub.6 -linear or branched alkyl, phenyl, benzyl, or a group of formula CH.sub.2 --CH.sub.2 --O--(CH.sub.2 --CH.sub.2 --O).sub.n --Ra wherein n is zero or an integer from 1 to 3 and Ra is H, benzyl or C.sub.1 -C.sub.6 -linear or branched alkyl.Compounds I are endowed with favourable therapeutical properties for pathologies of the respiratory system.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: July 18, 1989
    Assignee: Boehringer Biochemia Robin S.p.A.
    Inventors: Roberto Di Domenico, Daniele Castoldi, Silvano Spinelli, Odoardo Tofanetti, Sergio Tognella, Carmelo A. Gandolfi
  • Patent number: 4845113
    Abstract: Compounds of formula I ##STR1## wherein R is hydrogen or lower alkyl; R.sub.1 is acetyl, benzoyl, cyano, nitro, carboxy, alkoxycarbonyl or aminocarbonyl groups; R.sub.2 is an optionally substituted aryl or hetaryl residue; R.sub.3 is a carboxy or alkoxycarbonyl group; A is a cyclopropyl group or a group of formula --CH.dbd.CH-- and R.sub.4 is a phenyl or heteroaryl group, optionally mono, di or tri-substituted, are useful in radical scavenging therapy.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: July 4, 1989
    Assignee: Boehringer Biochemia Robin S.p.A.
    Inventors: Carmelo A. Gandolfi, Marco Frigerio, Silvano Spinelli, Odoardo Tofanetti, Ernesto Menta, Sergio Tognella
  • Patent number: 4839348
    Abstract: Dihydropyridines of formula I ##STR1## wherein R is hydrogen or lower alkyl; R.sub.1 is a CN, NO.sub.2, COCH.sub.3, COPh group, a carboalkoxy or carboamide group; R.sub.2 is an aromatic or heteroaromatic, mono- or bicyclic eventually substituted phenyl group; R.sub.3 is a carboalkoxy group; while A is a halogen atom or an ammonium or phosphonium residue. The compounds I are useful as antihypertensive, antitumoral, antimetastatic, antithrombotic, and/or antiischemic agent.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: June 13, 1989
    Assignee: Boehringer Biochemia Robin S.p.A.
    Inventors: Carmelo A. Gandolfi, Marco Frigerio, Silvano Spinelli, Odoardo Tofanetti, Sergio Tognella
  • Patent number: 4798898
    Abstract: 2-Substituted thiazolidines compounds having formula I ##STR1## wherein X is a CH.sub.2, O or S, R is hydroxy or an acyloxy, alkyloxy, alkenyloxy or alkinyloxy group, R.sub.1 is hydrogen or a group of formula ##STR2## R.sub.2 is hydrogen or a free or esterified carboxy group, R.sub.a and R.sub.b are hydrogen or methyl, p is zero or 1, R.sub.3 is a C.sub.1 -C.sub.2 alkylsulphonyl group, a phenyl or p-Cl phenyl, p-methylsulphonyl group or an acyl group; are useful as mucus regulating, antitussive and antibronchospastic agents.
    Type: Grant
    Filed: July 17, 1985
    Date of Patent: January 17, 1989
    Assignee: Boehringer Biochemia Robin S.p.A.
    Inventors: Carmelo A. Gandolfi, Silvano Spinelli, Odoardo Tofanetti, Raimondo Russo, Sergio Tognella
  • Patent number: 4749798
    Abstract: A compound of the formula ##STR1## wherein hydrogen, fluorine, chlorine or bromine; B is fluorine, or when A is fluorine B may be hydrogen;R is hydrogen, C.sub.1 -C.sub.8 branched or unbranched alkyl, CH.sub.2 BR, CH.sub.2 Cl or substituted or unsubstituted phenyl;X is hydrogen, chlorine or bromine;one of R.sub.1 and R.sub.2 is hydrogen and the other is hydroxy or C.sub.1 -C.sub.7 branched or unbranched alkoxy unsubstituted or substituted by a dialkyl amino group, or R.sub.1 and R.sub.2, taken together with the carbon atom to which they are linked, form the group ##STR2## with the proviso that, when R and X are both hydrogen, ##STR3## is a ##STR4## group, and B is fluorine and A is hydrogen is useful as antilimphoedema agent.
    Type: Grant
    Filed: December 13, 1985
    Date of Patent: June 7, 1988
    Assignee: Boehringer Biochemia Robin Spa
    Inventors: Carmelo A. Gandolfi, Odoardo Tofanetti, Silvano Spinelli, PierVitto Cipolla, Sergio Tognella
  • Patent number: 4692447
    Abstract: The tricyclic dihydropyridazinone derivatives having formula I ##STR1## are endowed with interesting hypotensive, vasodilating, antiaggregant, antithrombotic and cytoprotective properties and are therefore useful in human or veterinary medicine.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: September 8, 1987
    Assignee: Boehringer Biochemia Robin, S.p.A.
    Inventors: Giorgio Cignarella, Carmelo A. Gandolfi, Odoardo Tofanetti, Piervitto Cipolla, Sergio Tognella