Patents by Inventor Pier G. Ferrini

Pier G. Ferrini 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: 5384319
    Abstract: Aminoalkylphenyl derivatives of formula I ##STR1## wherein alk, R.sub.1 -R.sub.6, X and Y are as defined in the description, and salts thereof, exhibit properties inhibiting the biosynthesis of interleukin-1 (IL-1) and analgesic properties and can therefore be used as active ingredients in medicaments. They are prepared in a manner known per se.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: January 24, 1995
    Assignee: Ciba-Geigy Corporation
    Inventor: Pier G. Ferrini
  • Patent number: 5380726
    Abstract: Substituted dialkylthio ethers of formula I ##STR1## wherein R.sub.1 -R.sub.6, alk, X and Y are as defined in the description, and salts thereof, exhibit properties inhibiting the biosynthesis of interleukin-1 (IL-1) and analgesic properties and can therefore be used as active ingredients in medicaments. They are prepared in a manner known per se.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: January 10, 1995
    Assignee: Ciba-Geigy Corporation
    Inventor: Pier G. Ferrini
  • Patent number: 5321027
    Abstract: N-Benzoyl-N'-(2-phenylethyl)-piperazines of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 have the meanings as defined in the specification, and salts thereof, have analgesic properties and can be used as analgesic active ingredients in medicaments. They are prepared, for example, as follows: a compound of formula II ##STR2## wherein X.sub.1 is carboxy or reactive functionally modified carboxy, or a salt thereof, is reacted with a compound of formula III ##STR3## wherein X.sub.2 is hydrogen.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: June 14, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Peter Burckhardt
  • Patent number: 5286728
    Abstract: Amino-substituted piperazine derivatives of formula I ##STR1## wherein R.sub.1 -R.sub.6, X and Y are as defined in the description, and salts thereof, have properties inhibiting the biosynthesis of interleukin-1 (IL-1) as well as analgesic properties and can therefore be used as active ingredients in medicaments. They are prepared in a manner known per se.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: February 15, 1994
    Assignee: Ciba-Geigy Corporation
    Inventor: Pier G. Ferrini
  • Patent number: 5229405
    Abstract: Compounds of the formula I ##STR1## in which R.sub.1 is lower alk-2-en-1-yl, lower alk-3-en-2-yl, lower alk-2-yn-1-yl or lower alkyl substituted in the 2,3-position by radicals which can be eliminated to give a double bond, R.sub.2 is hydrogen and R.sub.3 is methyl which is unsubstituted or substituted by radicals which can be eliminated together with hydrogen R.sub.2 to give a double bond or R.sub.2 and R.sub.3 are both hydrogen or lower alkyl or are together methylene and R.sub.4 is a group of the formula Ia, Ib or Ic ##STR2## in which R.sub.5 is hydrogen, lower alkyl, lower alk-2-en-1-yl or lower alk-2-yn-1-yl and R.sub.6 is a group of the formula Id or Ie ##STR3## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.5 are as defined, and their pharmaceutically acceptable salts can be used in a novel manner for the treatment of diseases of the rheumatoid type.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: July 20, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Ulrich Feige, Irmgard Wiesenberg, Leo Widler, Pier G. Ferrini, Martin Missbach
  • Patent number: 5177091
    Abstract: Compounds of formula I ##STR1## wherein X and Y are each independently of the other thio or sulfynyl, R.sub.1 is lower alk-2-en-1-yl, lower alk-3-en-2-yl, lower alk-2--yn-1-yl, or lower alkyl that is substituted in the 2,3-position by radicals that can be eliminated to form a double bond, R.sub.2 is hydrogen and R.sub.3 is unsubstituted methyl or methyl substituted by a radical that can be eliminated together with hydrogen Rhd 2 to form a double bond, or R.sub.2 and R.sub.3 are each hydrogen or lower alkyl or together are methylene, R.sub.4 is free or protected hydroxy, or hydrogen, and R.sub.5 is hydrogen, lower alkyl, lower alk-2-en-1-yl, lower alk-2-yn-1-yl, or lower alkyl that is substituted in the 2,3-position by radicals that can be eliminated to form a double bond, and their pharmaceutically acceptable salts may be used in a novel manner for the treatment of disorders of the rheumatoid type.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: January 5, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Ulrich Feige, Irmgard Wiesenberg, Leo Widler, Pier G. Ferrini, Martin Missbach
  • Patent number: 5147889
    Abstract: Benzo[b]thiophene derivatives of formula ##STR1## their tautomers and salts, in which the index n is 0, 1 or 2, alk is lower alkylene, Ar is phenyl, naphthyl or a monocyclic, five- or six-membered heteroaryl radical, wherein the aromatic radical is unsubstituted or is mono- or poly-substituted by lower alkyl, halo-lower alkyl, halogen and/or nitro, and the ring A is unsubstituted or is mono- or poly-substituted by lower alkyl, lower alkoxy, lower alkylthio, lower alkanesulfinyl, lower alkanesulfonyl, halo-lower alkyl, halogen and/or by nitro, can be used, for example, as active ingredients in medicaments.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: September 15, 1992
    Assignee: Ciba-Geigy Corporation
    Inventor: Pier G. Ferrini
  • Patent number: 5139786
    Abstract: The invention relates to topically administrable pharmaceutical preparations containing pharmaceutically acceptable methanediphosphonic acid derivatives of formula ##STR1## and their salts, wherein R.sub.1 and R.sub.2 are hydrogen or C.sub.1 -C.sub.3 alkyl.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: August 18, 1992
    Assignees: Ciba-Geigy Corporation, Henkel Kommanditgesellschaft auf Aktien
    Inventors: Pier G. Ferrini, Carlo Voellmy, Peter H. Stahl, Jonathan Green
  • Patent number: 5133972
    Abstract: The invention relates to topically adminstrable pharmaceutical preparations containing pharmaceutically acceptable methanediphosphonic acid derivatives of formula ##STR1## and their salts, wherein each of R.sub.1 and R.sub.2 is halogen, or wherein R.sub.1 is hydrogen and R.sub.2 is Ar--S-- or Het.sub.1 --NH--, in which Ar is unsubstituted or substituted phenyl and Het.sub.1 is unsubstituted or substituted, monocyclic, 5- or 6-membered monoaza-, diaza- or thiaza-aryl that is bonded via a ring carbon atom, or wherein R.sub.1 is hydrogen or hydroxy and R.sub.2 is --A--R.sub.3, in which A is alkylene and, on the one hand, R.sub.3 is Het.sub.2, which is Het.sub.1 bonded via a ring carbon or ring nitrogen atom, or, on the other hand, R.sub.3 is hydrogen, or amino that is unsubsituted or mono- or di-substituted by identical or different substituents selected from alkyl, cycloalkyl, Ar-alkyl, Ar-O-alkyl, Ar-S-alkyl and Het.sub.
    Type: Grant
    Filed: June 29, 1990
    Date of Patent: July 28, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Carlo Voellmy, Peter H. Stahl, Jonathan Green
  • Patent number: 5051421
    Abstract: Benzo[b]thiophene derivatives of formula ##STR1## their tautomers and salts, in which the index n is 0, 1 or 2, alk is lower alkylene, Ar is phenyl, naphthyl or a monocyclic, five- or six-membered heteroaryl radical, wherein the aromatic radical is unsubstituted or is mono- or poly-substituted by lower alkyl, halo-lower alkyl, halogen and/or by nitro, and the ring A is unsubstituted or is mono- or poly-substituted by lower alkyl, lower alkoxy, lower alkylthio, lower alkanesulfinyl, lower alkanesulfonyl, halo-lower alkyl, halogen and/or by nitro, can be used, for example, as active ingredients in medicaments.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: September 24, 1991
    Assignee: Ciba-Geigy Corporation
    Inventor: Pier G. Ferrini
  • Patent number: 4804661
    Abstract: Piperazines of the formula ##STR1## and their salts, in which each of Ar.sub.1 and Ar.sub.2, independently of the other, represents phenyl that is unsubstituted or mono- or di-substituted by C.sub.1 -C.sub.7 -alkyl, C.sub.1 -C.sub.7 -alkoxy, cyano, halogen, trifluoromethyl, amino, C.sub.1 -C.sub.7 -alkylamino, di-C.sub.1 -C.sub.7 -alkylamino and/or by C.sub.1 -C.sub.7 -alkanoylamino, can be used as the active ingredients of medicaments and are manufactured in a manner known per se.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: February 14, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Andreas v. Sprecher
  • Patent number: 4608382
    Abstract: Novel substituted 2-mercaptoimidazoles of the formula ##STR1## in which at least one of the radicals R.sub.1 and R.sub.2 is a substituted or unsubstituted heteroaryl group and the other is a substituted or unsubstituted aryl group, R.sub.3 is hydrogen or lower alkyl, n is 0, 1 or 2 and R.sub.4 is a substituted or unsubstituted aliphatic hydrocarbon radical and their pharmaceutically usable salts exhibit anti-inflammatory, anti-nociceptive and/or antithrombotic activity.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: August 26, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Richard Goschke
  • Patent number: 4584310
    Abstract: Novel substituted 2-mercaptoimidazoles of the formula ##STR1## in which at least one of the radicals R.sub.1 and R.sub.2 is a substituted or unsubstituted heteroaryl group and the other is a substituted or unsubstituted aryl group, R.sub.3 is hydrogen or lower alkyl, n is 0, 1 or 2 and R.sub.4 is a substituted or unsubstituted aliphatic hydrocarbon radical and their pharmaceutically usable salts exhibit anti-inflammatory, anti-nociceptive and/or antithrombotic activity.
    Type: Grant
    Filed: March 9, 1984
    Date of Patent: April 22, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Richard Goschke
  • Patent number: 4523030
    Abstract: Substituted benzophenones of the formula ##STR1## in which Ph represents unsubstituted or substituted phenyl and R represents free, esterified or amidated carboxy, have anti-inflammatory and/or analgesic properties and can be used as active ingredients in medicaments. They are manufactured, for example, as follows:a compound or a mixture of compounds of the formula ##STR2## in which X.sub.1 and X.sub.2 together represent a group of the formula --C(.dbd.O)--O that is bonded via the carbonyl group to the radical Ph and X.sub.3 represents hydrogen, or one of the radicals X.sub.1 and X.sub.3 represents a group of the formula --C(.dbd.O)--Z, the other represents hydrogen and X.sub.2 represents a group R'O-- in which R' represents hydrogen or a hydroxy-protecting group, is subjected to acid treatment and the primary product is decomposed solvolytically.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: June 11, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Georges Haas, Andreas von Sprecher, Pier G. Ferrini
  • Patent number: 4505913
    Abstract: Substituted anthranilamides of the formula ##STR1## in which R.sub.1 is hydrogen or an aliphatic, cycloaliphatic or cycloaliphatic-aliphatic hydrocarbon radical, R.sub.2 is hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl, R.sub.3 is hydrogen or an aliphatic or substituted or unsubstituted araliphatic or heteroaryl-aliphatic hydrocarbon radical and alk and alk' are identical or different lower alkylene radicals which separate the nitrogen atoms by 2 or 3 carbon atoms, and salts thereof, possess analgesic, anti-inflammatory and anti-allergic properties and may be used as active ingredients of analgesic, anti-inflammatory and anti-allergic pharmaceuticals. They are prepared, for example, by reacting an acid of the formula ##STR2## or a reactive functional derivative thereof, with an amine of the formula ##STR3## or a reactive derivative or salt thereof.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: March 19, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Alberto Rossi, Georges Haas
  • Patent number: 4476132
    Abstract: Quinolinone derivatives of the formula (I) ##STR1## in which X represents oxy or a direct bond, R.sub.1 represents an aliphatic, cycloaliphatic, aromatic, araliphatic, heterocyclic or heterocyclic-aliphatic radical or hydrogen, Ph represents an optionally additionally substituted 1,2-phenylene radical containing the group R.sub.1 --X--C(O)--, and one of the radicals R.sub.2 and R.sub.3 represents an optionally esterified or amidated carboxy group R.sub.4 and the other represents hydrogen or an aliphatic radical or, in the case of a radical R.sub.3, hydroxy, and in which either R.sub.A and R.sub.B together represent oxo, R.sub.C and R.sub.D together represent an additional bond, or, when R.sub.2 represents a radical R.sub.4, R.sub.C is hydrogen and R.sub.3 and R.sub.D together represent oxo, and R.sub.E represents a radical R.sub.5 which represents hydrogen or an aliphatic, cycloaliphatic, araliphatic heterocyclic-aliphatic radical, or R.sub.A represents an optionally etherified hydroxy group and R.sub.
    Type: Grant
    Filed: March 19, 1982
    Date of Patent: October 9, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Richard Goschke, Pier G. Ferrini, Alfred Sallmann
  • Patent number: 4461770
    Abstract: Novel substituted 2-mercaptoimidazoles of the formula ##STR1## in which at least one of the radicals R.sub.1 and R.sub.2 is a substituted or unsubstituted heteroaryl group and the other is a substituted or unsubstituted aryl group, R.sub.3 is hydrogen or lower alkyl, n is 0, 1 or 2 and R.sub.4 is a substituted or unsubstituted aliphatic hydrocarbon radical and their pharmaceutically usable salts exhibit anti-inflammatory, anti-nociceptive and/or antithrombotic activity.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: July 24, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Richard Goschke
  • Patent number: 4451471
    Abstract: 2,4,5-Trisubstituted thiazoles of the formula ##STR1## in which each of R.sub.1 and R.sub.2, independently of the other, represents an aryl or optionally N-oxidized heteroaryl radical each of which is unsubstituted or substituted by aliphatic hydrocarbon radicals, free, etherified or esterified hydroxy, etherified optionally S-oxidized mercapto, aliphatically substituted amino and/or trifluoromethyl,X represents thio,n represents 0, 1, or 2, andR.sub.3 represents an aliphatic hydrocarbon radical that is unsubstituted or substituted by etherified or esterified hydroxy, etherified optionally S-oxidized mercapto and/or, in a position higher than the .alpha.-position, by oxo and/or hydroxy and optionally contains, in addition to terminally bonded hydroxy, sulpho that is present in salt form, or represents an araliphatic hydrocarbon radical that is unsubstituted or substituted in the aryl moiety as indicated for R.sub.1 and R.sub.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: May 29, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Pier G. Ferrini, Richard Goschke
  • Patent number: 4396621
    Abstract: Oxothia compounds, especially 2-oxo-2,3-dihydro-benzo[b]-thiophene compounds of the formula ##STR1## in which Ph represents an optionally substituted 1,2-phenylene radical, X represents oxygen or sulphur, R.sub.1 represents an organic radical bonded via a carbon atom and R.sub.2 denotes hydrogen or an optionally substituted hydrocarbon radical of aliphatic character, and their salts are useful as peripheral analgetics and/or as antiphlogistic uricosuric and/or thrombolytic agents.
    Type: Grant
    Filed: November 7, 1980
    Date of Patent: August 2, 1983
    Assignee: Ciba-Geigy Corporation
    Inventors: Raymond Bernasconi, Pier G. Ferrini, Richard Goschke, Jacques Gosteli
  • Patent number: 4353918
    Abstract: The invention relates to the dextrorotatory enantiomer of trans-5,6-di-p-methoxyphenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole and its pharmaceutically acceptable salts and to pharmaceutical preparations containing them.The new compounds have valuable pharmacological properties, especially anti-inflammatory and anti-rheumatic effects.
    Type: Grant
    Filed: December 22, 1980
    Date of Patent: October 12, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Richard Goschke, Pier G. Ferrini