Patents by Inventor Wolfgang Frostl

Wolfgang Frostl 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: 7119189
    Abstract: The present invention provides purified GABAB receptors and receptor proteins derived from rat and human sources, as well as nucleic acids which encode such proteins. The proteins and nucleic acids of the invention share significant homology with the GABAB receptor and the DNA encoding it as specifically disclosed herein. The invention moreover provides methods for isolating other members of the GABAB receptor family using DNA cloning technology and probes derived from the sequences provided herein, as well as novel members of the GABAB receptor family isolated by such methods.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: October 10, 2006
    Assignee: Novartis AG
    Inventors: Klemens Kaupmann, Bernhard Bettler, Helmut Bittiger, Wolfgang Fröstl, Stuart J Mickel
  • Publication number: 20020091250
    Abstract: The present invention provides purified GABAB receptors and receptor proteins derived from rat and human sources, as well as nucleic acids which encode such proteins. The proteins and nucleic acids of the invention share significant homology with the GABAB receptor and the DNA encoding it as specifically disclosed herein. The invention moreover provides methods for isolating other members of the GABAB receptor family using DNA cloning technology and probes derived from the sequences provided herein, as well as novel members of the GABAB receptor family isolated by such methods.
    Type: Application
    Filed: June 6, 2001
    Publication date: July 11, 2002
    Inventors: Klemens Kaupmann, Bernhard Bettler, Helmut Bittiger, Wolfgang Frostl, Stuart J. Mickel
  • Patent number: 5567840
    Abstract: P-substituted aminoalkylphosphinic acids of the formula ##STR1## wherein R denotes an optionally fluorinated methyl group, R.sub.1 denotes hydrogen, lower alkyl, lower alkoxy, hydroxy, halogen or a fluorinated methyl group and R.sub.2 and R.sub.3 denote hydrogen or R.sub.2 denotes hydroxy, lower alkoxy or halogen and R.sub.3 is hydrogen or R.sub.2 and R.sub.3 together represent an oxo group, and their pharmaceutically acceptable salts are active as GABA.sub.B -agonists and can be used in the treatment of spinal spasticity, multiple sclerosis and cerebral palsy, trigeminus neuralgia, drug withdrawal syndromes and/or conditions of pain. They can be manufactured by methods known per se and suitable such methods are described.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: October 22, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Roger G. Hall, Ludwig Maier, Wolfgang Frostl
  • Patent number: 5461040
    Abstract: P-substituted aminoalkylphosphinic acids of the formula ##STR1## wherein R denotes an optionally fluorinated methyl group, R.sub.1 denotes hydrogen, lower alkyl, lower alkoxy, hydroxy, halogen or a fluorinated methyl group and R.sub.2 and R.sub.3 denote hydrogen or R.sub.2 denotes hydroxy, lower alkoxy or halogen and R.sub.3 is hydrogen or R.sub.2 and R.sub.3 together represent an oxo group, and their pharmaceutically acceptable salts are active as GABA.sub.b -agonists and can be used in the treatment of spinal spasticity, multiple sclerosis and cerebral palsy, trigeminus neuralgia, drug withdrawal syndromes and/or conditions of pain. They can be manufactured by methods known per se and suitable such methods are described.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: October 24, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Roger G. Hall, Ludwig Maier, Wolfgang Frostl
  • Patent number: 5424441
    Abstract: N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids of formula I ##STR1## wherein R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic or heteroarylaliphatic radical having at least 2 carbon atoms, R.sub.1 is hydrogen or hydroxy, R.sub.2 is an araliphatic or heteroarylaliphatic radical substituted by free or functionally modified carboxy that is bonded directly or by way of a spacer, and R.sub.3 is hydrogen, lower alkyl or a group R.sub.2, and the salts thereof have valuable nootropic and anti-epileptic properties and can be used in the preparation of a nootropic or anti-epileptic medicament.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: June 13, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Stuart J. Mickel, Wolfgang Frostl, Pascal Furet
  • Patent number: 5407922
    Abstract: Compounds having GABA.sub.B -antagonistic properties, for example those of formula I ##STR1## wherein one of the radicals R.sub.1, R.sub.2 and R.sub.3 is hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, another is hydrogen or, in the case of R.sub.1 or R.sub.2, hydroxy or, in the case of R.sub.1, halogen or, in the case of R.sub.2 together with R.sub.2 ', oxo, and the remaining radical is hydrogen, R.sub.1 ' is hydrogen or halogen, R.sub.2 ' is hydrogen, hydroxy or, together with R.sub.2, is oxo, R.sub.4 and R.sub.5 are hydrogen or R.sub.4 is an araliphatic or heteroarylaliphatic radical and R.sub.5 is hydrogen or an aliphatic radical, and R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic, heteroarylaliphatic or aromatic radical having at least 2 carbon atoms or, when R.sub.1 is hydrogen or hydroxy, R.sub.2 is an aromatic radical and R.sub.1 ', R.sub.2 ' and R.sub.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: April 18, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian Marescaux, Raymond Bernasconi, Markus Schmutz, Wolfgang Frostl, Stuart J. Mickel
  • Patent number: 5332729
    Abstract: N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids of formula I ##STR1## wherein R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic or heteroarylaliphatic radical having at least 2 carbon atoms,R.sub.1 is hydrogen or hydroxy,R.sub.2 is an araliphatic or heteroarylaliphatic radical substituted by free or functionally modified carboxy that is bonded directly or by way of a spacer, andR.sub.3 is hydrogen, lower alkyl or a group R.sub.2, and the salts thereof have valuable nootropic and anti-epileptic properties and can be used in the preparation of a nootropic or anti-epileptic medicament.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: July 26, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Stuart J. Mickel, Wolfgang Frostl, Pascal Furet
  • Patent number: 5300679
    Abstract: Compounds of the formula I ##STR1## wherein R denotes an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic or araliphatic radical having 2 or more carbon atoms, and wherein one of the groups R.sup.1, R.sup.2 and R.sup.3 represents hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, another one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen or, in the case of R.sup.1 and R.sup.2, is hydroxy, and the remaining one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen, or wherein R denotes methyl, R.sub.1 denotes hydrogen or hydroxy, R.sub.2 denotes an aromatic radical and R.sub.3 represents hydrogen, and their salts have GABA.sub.B -antagonistic properties and can be used as GABA.sub.B -antagonists. They are obtained when in a compound of formula II ##STR2## in which R, R.sup.1, R.sup.2 and R.sup.3 have their previous significances, Z represents --NH.sub.2 and R.sup.4 denotes a hydroxy-protective group R.sup.5 or, when R.sup.1 and R.sup.3 denote hydrogen and R.sup.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: April 5, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Eric K. Baylis, Helmut Bittiger, Wolfgang Frostl, Roger G. Hall, Ludwig Maier, Stuart J. Mickel, Hans-Rudolf Olpe
  • Patent number: 5281747
    Abstract: P-substituted aminoalkylphosphinic acids of the formula ##STR1## wherein R denotes an optionally fluorinated methyl group, R.sub.1 denotes hydrogen, lower alkyl, lower alkoxy, hydroxy, halogen or a fluorinated methyl group and R.sub.2 and R.sub.3 denote hydrogen or R.sub.2 denotes hydroxy, lower alkoxy or halogen and R.sub.3 is hydrogen or R.sub.2 and R.sub.3 together represent an oxo group, and their pharmaceutically acceptable salts are active as GABA.sub.B.sup.- agonists and can be used in the treatment of spinal spasticity, multiple sclerosis and cerebral palsy, trigeminus neuralgia, drug withdrawal syndromes and/or conditions of pain. They can be manufactured by methods known per se and suitable such methods are described.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: January 25, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Roger G. Hall, Ludwig Maier, Wolfgang Frostl
  • Patent number: 5229379
    Abstract: Compounds having GABA.sub.B -antagonistic properties, for example those of formula I ##STR1## wherein one of the radicals R.sub.1, R.sub.2 and R.sub.3 is hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, another is hydrogen or, in the case of R.sub.1 or R.sub.2, hydroxy or, in the case of R.sub.1, halogen or, in the case of R.sub.2 together with R.sub.2 ', oxo, and the remaining radical is hydrogen, R.sub.1 ' is hydrogen or halogen, R.sub.2 ' is hydrogen, hydroxy or, together with R.sub.2, is oxo, R.sub.4 and R.sub.5 are hydrogen or R.sub.4 is an araliphatic or heteroarylaliphatic radical and R.sub.5 is hydrogen or an aliphatic radical, and R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic, heteroarylaliphatic or aromatic radical having at least 2 carbon atoms or, when R.sub.1 is hydrogen or hydroxy, R.sub.2 is an aromatic radical and R.sub.1 ', R.sub.2 ' and R.sub.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: July 20, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian Marescaux, Raymond Bernasconi, Markus Schmutz, Wolfgang Frostl, Stuart J. Mickel
  • Patent number: 5204334
    Abstract: Benzoheterocyclylalkylaminoalkanediphosphonic acids of formula I ##STR1## wherein R.sub.1 and R.sub.2, independently of one another, are hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl, R.sub.3 is hydrogen or lower alkyl, X and Y, independently of one another, are oxy or thio, alk.sub.1 and alk.sub.2 are identical or different lower alkylene radicals, n is 0 or 1 and m and m', independently of one another, are 0, 1 or 2, the sum of n, m and m' being 1, 2 or 3, and their salts exhibit a pronounced regulatory action on the calcium metabolism of warm-blooded animals. They are prepared, for example, as follows: in a compound of the formula ##STR2## wherein R.sub.1, R.sub.2, n, m, m', X, Y, alk.sub.1 and alk.sub.2 are as defined above, R'.sub.3 is one of the groups R.sub.3 mentioned above or is an amino-protecting group R.sub.0, Z.sub.1 is a functionally modified phosphono group, and Z.sub.2 is a free or functionally modified phosphono group, converting functionally modified phosphono Z.sub.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: April 20, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Frostl, Knut A. Jaeggi
  • Patent number: 5204342
    Abstract: Novel hydrogenated heterocyclic compounds, containing two nitrogen atoms, of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.5 and Rhd 7 are each, independently of the others, hydrogen or lower alkyl, m is 2 or 3, n is 1 or 2, and either R.sub.4 and R.sub.6 are each hydrogen or R.sub.4 and R.sub.6 together form an additional bond, in free form or in form of a salt, can be used as pharmaceutical active ingredients and can be manufactured in a manner known per se.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: April 20, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Frostl, Cesare Mondadori, Dietrich Strub, Armin Zust
  • Patent number: 5190933
    Abstract: Compounds of the formula I ##STR1## wherein R denotes an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic or araliphatic radical having 2 or more carbon atoms, and wherein one of the groups R.sup.1, R.sup.2 and R.sup.3 represents hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, another one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen or, in the case of R.sup.1 and R.sup.2, is hydroxy, and the remaining one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen, or wherein R denotes methyl, R.sub.1 denotes hydrogen or hydroxy, R.sub.2 denotes an aromatic radical and R.sub.3 represents hydrogen, and their salts have GABA.sub.B -antagonistic properties and can be used as GABA.sub.B -antagonists. They are obtained when in a compound of formula II ##STR2## in which R, R.sup.1, R.sup.2 and R.sup.3 have their previous significances, Z represents --NH.sub.2 and R.sup.4 denotes a hydroxy-protective group R.sup.5 or, when R.sup.1 and R.sup.3 denote hydrogen and R.sup.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: March 2, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Eric K. Baylis, Ludwig Maier, Stuart J. Mickel, Hans-Rudolf Olpe, Helmut Bittiger, Wolfgang Frostl, Roger G. Hall
  • Patent number: 5135930
    Abstract: Novel hydrogenated heterocyclic compounds, containing two nitrogen atoms, of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.5 and R.sub.7 are each, independently of the others, hydrogen or lower alkyl, m is 2 or 3, n is 1 or 2, and either R.sub.4 and R.sub.6 are each hydrogen or R.sub.4 and R.sub.6 together form an additional bond, in free form or in form of a salt, can be used as pharmaceutical active ingredients for memory improvement and can be manufactured in a manner known per se.
    Type: Grant
    Filed: December 3, 1990
    Date of Patent: August 4, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Frostl, Cesare Mondadori, Dietrich Strub, Armin Zust
  • Patent number: 5112855
    Abstract: The invention relates to novel hydrogenated 1-benzooxacycloalkylpyridinecarboxylic acid compounds of formula ##STR1## in which the variables R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, alk, X, Z, m, n and p, the dotted line and the substituents of the ring A have the meanings indicated in the specification and in the claims, and to their tautomers and/or salts. These compounds can be used as pharmaceutical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: May 12, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Frostl, Armin Zust
  • Patent number: 5064819
    Abstract: Compounds of the formula I ##STR1## wherein R denotes an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic or araliphatic radical having 2 or more carbon atoms, and wherein one of the groups R.sup.1, R.sup.2 and R.sup.3 represents hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, another one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen or, in the case of R.sup.1 and R.sup.2, is hydroxy, and the remaining one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen, or wherein R denotes methyl, R.sub.1 denotes hydrogen or hydroxy, R.sub.2 denotes an aromatic radical and R.sub.3 represents hydrogen, and their salts have GABA.sub.B -antagonistic properties and can be used as GABA.sub.B -antagonists. They are obtained when in a compound of formula II ##STR2## in which R, R.sup.1, R.sup.2 and R.sup.3 have their previous significances, Z represents --NH.sub.2 and R.sup.4 denotes a hydroxy-protective group R.sup.5 or, when R.sup.1 and R.sup.3 denote hydrogen and R.sup.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: November 12, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Eric K. Baylis, Helmut Bittiger, Wolfgang Frostl, Roger G. Hall, Ludwig Maier, Stuart J. Mickel, Hans-Rudolf Olpe
  • Patent number: 5051524
    Abstract: Compounds of the formula I ##STR1## wherein R denotes an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic or araliphatic radical having 2 or more carbon atoms, and wherein one of the groups R.sup.1, R.sup.2 and R.sup.3 represents hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, another one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen or, in the case of R.sup.1 and R.sup.2, is hydroxy, and the remaining one of R.sup.1, R.sup.2 and R.sup.3 is hydrogen, or wherein R denotes methyl, R.sub.1 denotes hydrogen or hydroxy, R.sub.2 denotes an aromatic radical and R.sub.3 represents hydrogen, and their salts have GABA.sub.B -antagonistic properties and can be used as GABA.sub.B -antagonists. They are obtained when in a compound of formula II ##STR2## in which R, R.sup.1, R.sup.2 and R.sup.3 have their previous significances, Z represents --NH.sub.2 and R.sup.4 denotes a hydroxy-protective group R.sup.5 or, when R.sup.1 and R.sup.3 denote hydrogen and R.sup.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: September 24, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Eric K. Baylis, Helmut Bittiger, Wolfgang Frostl, Roger G. Hall, Ludwig Maier, Stuart J. Mickel, Hans-Rudolf Olpe
  • Patent number: 4957928
    Abstract: The invention relates to novel hydrogenated 1-benzooxacycloalkylpyridinecarboxylic acid compounds of formula ##STR1## in which the variable R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, alk, X, Z, m, n and p, the dotted line and the substituents of the ring A have the meanings indicated in the specification and in the claims, and to their tautomers and/or salts. These compounds can be used as pharmaceutical active ingredients and can be prepared in a manner known per se.
    Type: Grant
    Filed: December 21, 1988
    Date of Patent: September 18, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Wolfgang Frostl, Armin Zust
  • Patent number: 4945092
    Abstract: Substituted pyrrolidin-2-ones of the formula ##STR1## wherein R.sub.1 represents a phenyl or naphthyl radical that is unsubstituted or substituted by lower alkyl, lower alkloxy, halogen and/or trifluoromethyl, X.sub.1 represents lower alkylidene, X.sub.2 represents methylene, ethylene or oxoethylene and R.sub.2 represents hydrogen, lower alkyl or a radical of the formula ##STR2## wherein X.sub.4 represents lower alkylidene and R.sub.3 represents hydrogen or a phenyl or a phenyl naphthyl radical that is unsubstituted by lower alkyl, lower alkoxy, halogen and/or trifluoromethyl, and their pharmaceutically acceptable salts, have nootropic properties and can be used as nootropic active ingredients in medicaments. They are prepared, for example, by condensing with one another compounds of the formulae ##STR3## wherein Z.sub.1 represents a group of the formula --X.sub.1 --(.dbd.O)--Z.sub.3 (IIa) and Z.sub.2 represents hydrogen, or Z.sub.1 represents hydrogen and Z.sub.2 represents a group of the formula --C(.dbd.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: July 31, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: William Bencze, Wolfgang Frostl, Max Wilhelm
  • Patent number: 4939160
    Abstract: Hydropyridine derivatives of the formula ##STR1## in which R.sub.1 represents carboxy, lower alkoxycarbonyl, carbamoyl, N-lower alkylcarbamoyl or N,N-di-lower alkylcarbamoyl, R.sub.2 represents hydrogen, an optionally etherified or acylated hydroxy group or an optionally acylated amino group, and R.sub.3 represents a radical of the formula R- (Ia), R-alk.sub.1 - (Ib) or R'=alk.sub.2 - (Ic) in which R represents a benzocycloalkenyl radical having a total of from 8 to 12 ring carbon atoms which is bonded via a saturated carbon atom and which is unsubstituted or is mono- or poly-substituted in the benzo moiety by hydroxy, lower alkoxy, lower alkanoyloxy, halogen, lower alkyl and/or by trifluoromethyl, and/or substituted in the .alpha.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: July 3, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Georg von Sprecher, Wolfgang Frostl, Armin Zust