Patents by Inventor Matyas Leitold

Matyas Leitold 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: 5254570
    Abstract: The present invention relates to a pharmaceutical composition comprising: (a) a compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 are as defined below; and (b) isosorbide 5-mononitrate or isosorbide 2-mononitrate or glycerol trinitrate or glycerol 1-mononitrate or glycerol 2-mononitrate: and, optionally (c) a pharmaceutically acceptable carrier. The composition is useful in the prevention and treatment of cardiovascular diseases, and is especially useful in the prevention and treatment of angina pectoris and myocardial infarction.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: October 19, 1993
    Assignee: Pfizer Inc.
    Inventors: Peter Stoss, Matyas Leitold
  • Patent number: 4891373
    Abstract: Novel aminopropanol derivatives of 1,4:3,6-dianhydro-hexitol nitrates of the general formula I ##STR1## in which X has the meaning given in the specification, processes for their preparation and their use in preventing and treating angina pectoris, systemic hypertension and pulmonary hypertension in mammals.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: January 2, 1990
    Assignee: Pfizer Inc.
    Inventors: Peter Stoss, Matyas Leitold, Rodney Yeates
  • Patent number: 4883796
    Abstract: Oxime ethers of 2,6-dioxabicyclo[3.3.0]octanones of the formula I ##STR1## have pharmacological activity and are especially applicable as drugs for the prophylaxis and therapy of cardiac and circulatory diseases.
    Type: Grant
    Filed: February 2, 1988
    Date of Patent: November 28, 1989
    Assignee: Heinrich Mack Nachf.
    Inventors: Matyas Leitold, Peter Stoss
  • Patent number: 4769379
    Abstract: Dianhydrohexites of the formula ##STR1## wherein R.sup.1 is hydrogen or benzyl, R.sub.2 is alkyl or omega-theophyllin-7-yl-alkyl, and R.sup.1 and R.sub.2 together with the nitrogen atom to which they are attached form a bicyclic group and R.sup.3 is hydrogen, acyl, pyridylcarbonyl, nitro or a hydroxylamino group, are formed by an analogous method and used as pharmaceuticals in the treatment of heart and circulatory diseases.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: September 6, 1988
    Assignee: Heinrich Mack Nachf.
    Inventors: Matyas Leitold, Peter Stoss
  • Patent number: 4559351
    Abstract: The present invention relates to new acyl derivatives of 1,4:3,6-dianhydrohexitols, processes for their preparation and drugs containing the same. The new compounds have a cardiovascular effect and can be used as antihypertensive agents, as peripheral and central vasodilators and as coronary therapeutic agents.
    Type: Grant
    Filed: June 26, 1984
    Date of Patent: December 17, 1985
    Assignee: Heinrich Mack Nachf.
    Inventors: Peter Stoss, Matyas Leitold
  • Patent number: 4292319
    Abstract: Pharmaceutical compositions containing a non-steroidal anti-inflammatory compound and 5,11-dihydro-11-[(4-methyl-1-piperazinyl)-acetyl]-6H-pyrido[2,3-b]-[1,4]be nzodiazepin-6-one or a non-toxic acid addition salt thereof, and a method of using the same as antiphlogistics; the pyridobenzodiazepinone ingredient effectively suppresses the gastro-intestinal side-effects of the anti-inflammatory ingredient.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: September 29, 1981
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Oswald Tauber, Gunther Engelhardt, Matyas Leitold, Gunther Schmidt
  • Patent number: 4256747
    Abstract: Pharmaceutical compositions containing a non-steroidal anti-inflammatory compound and 5,11-dihydro-11-[(4-methyl-1-piperazinyl)-acetyl]-6H-pyrido[2,3-b]-[1,4]be nzodiazepin-6-one or a non-toxic acid addition salt thereof, and a method of using the same as antiphlogistics; the pyridobenzodiazepinone ingredient effectively suppresses the gastro-intestinal side-effects of the anti-inflammatory ingredient.
    Type: Grant
    Filed: March 30, 1979
    Date of Patent: March 17, 1981
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Oswald Tauber, Gunther Engelhardt, Matyas Leitold, Gunther Schmidt
  • Patent number: 4213984
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is alkyl of 3 to 12 carbon atoms; unsaturated aliphatic hydrocarbyl of 3 to 20 carbon atoms comprising 1 to 3 double bonds and/or one triple bond; phenyl(alkyl of 2 to 4 carbon atoms); methylenedioxybenzyl; chlorobenzyl; indan-5-ylmethyl; indan-3-ylmethyl; phenyl(alkenyl of 2 to 4 carbon atoms); cycloalkyl of 5 to 7 carbon atoms; (cycloalkyl of 3 to 10 carbon atoms)methyl; (methylcycloalkyl of 4 to 11 carbon atoms)methyl; morpholino(alkyl of 2 to 3 carbon atoms); pyrrolidino(alkyl of 2 to 3 carbon atoms); piperidino (alkyl of 2 to 3 carbon atoms); 4-methylpiperazino(alkyl of 2 to 3 carbon atoms); or, when R.sub.3 and/or R.sub.4 are methyl or ethyl, also methyl or ethyl;R.sub.2 is hydrogen, methyl or ethyl; andR.sub.3 and R.sub.4 are each hydrogen, methyl or ethyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as anti-ulcerogenics and secretion inhibitors.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: July 22, 1980
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gunther Schmidt, Matyas Leitold
  • Patent number: 4213985
    Abstract: Novel 5,11-dihydro-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-ones of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl of 1 to 6 carbon atoms, straight and branched chain, mono and poly unsaturated aliphatic hydrocarbon of 3 to 20 carbon atoms, phenyl alkyl of 1 to 4 alkyl carbon atoms and cinnamyl, R.sub.2 is selected from the group consisting of hydrogen, methyl and ethyl and A is straight or branched chain alkylene of 2 to 5 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having ulcer inhibiting and secretion inhibiting activity and a novel process for their preparation.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: July 22, 1980
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gunther Schmidt, Matyas Leitold
  • Patent number: 4210648
    Abstract: Compounds of the formula ##STR1## wherein A is alkylene of 1 to 5 carbon atoms;R.sub.1 is amino, tert.butylamino, N-cyclohexyl-N-methyl-amino, dibenzylamino, benzylamino, trimethoxybenzyl-amino, 1-ethyl-2-pyrrolidinylmethylamino, 1-ethyl-3-piperidinyl-amino, 9-methyl-3,9-diazabicyclo[3.3.1]nonan-3-yl, 1,2,5,6-tetra-hydro-1-pyridyl, 4-benzyl-piperidino, 1,2,3,6,7,8,9,9a-octahydro-4H-pyrazino[1,2-a]-pyrimidine-1(or-8)yl, 3- or 4-hydroxypiperidino, 3-or 4-methoxypiperidino, 1,2,3,4-tetrahydro-2-isoquinolyl, 3-azaspiro[5.5]undecan-3-yl, 4-oxo-piperidino or the ethyleneketal thereof, hexahydro-3-methyl-1-pyrimidinyl, thiomorpholino, 1-oxido-thiomorpholino, hexahydro-4-methyl-1H-1,4-diazepin-1-yl, 2,6-dimethyl-morpholino,1,4-diazabicyclo [4.3.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: July 1, 1980
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gunther Schmidt, Matyas Leitold
  • Patent number: 4154833
    Abstract: Pharmaceutical compositions containing a non-steroidal anti-inflammatory compound and 5,11-dihydro-11-[(4-methyl-1-piperazinyl)-acetyl]-6H-pyrido[2,3-b]-[1,4]be nzodiazepin-6-one or a non-toxic acid addition salt thereof, and a method of using the same as antiphlogistics; the pyridobenzodiazepinone ingredient effectively suppresses the gastro-intestinal side-effects of the anti-inflammatory ingredient.
    Type: Grant
    Filed: February 17, 1978
    Date of Patent: May 15, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Oswald Tauber, Gunther Engelhardt, Matyas Leitold, Gunther Schmidt
  • Patent number: 4113777
    Abstract: Compounds of the formula ##STR1## wherein X and R.sub.1 are each chlorine or bromine;R.sub.2 is isopropyl; tert.butyl; tert.pentyl; mono-, di- or tri-hydroxy-substituted branched alkyl of 3 to 5 carbon atoms; cyclohexyl; or hydroxycyclohexyl; andR.sub.3 is alkyl of 1 to 4 carbon atoms or, when R.sub.2 is other than cyclohexyl, also hydrogen;And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as secretolytics, antitussives, anti-ulcerogenics and stimulants for the production of the surfactant or antiatelectasis factor of the alveoli.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: September 12, 1978
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Johannes Keck, Sigfrid Puschmann, Gerd Kruger, Klaus-Reinhold Noll, Matyas Leitold, Helmut Pieper
  • Patent number: 4073942
    Abstract: Compounds of the formula ##STR1## wherein X is chlorine or bromine;R.sub.1 is hydrogen, chlorine or bromine;R.sub.2 is isopropyl; tert.butyl; tert.pentyl; mono-, di- or tri-hydroxy-substituted branched alkyl of 3 to 5 carbon atoms; cyclohexyl; or hydroxycyclohexyl; andR.sub.3 is alkyl of 1 to 4 carbon atoms or, when R.sub.2 is other than cyclohexyl, also hydrogen;And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as secretolytics, antitussives, anti-ulcerogenics and stimulants for the production of the surfactant or anti-atelectasis factor of the alveoli.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: February 14, 1978
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Johannes Keck, Sigfrid Puschmann, Gerd Kruger, Klaus-Reinhold Noll, Matyas Leitold, Helmut Pieper
  • Patent number: 4042711
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenylalkyl, phenylalkenyl, pyridyl or ##STR2## where X, Y and Z are each hydrogen, halogen, alkyl of 1 to 3 carbon atoms or alkoxy of 1 to 3 carbon atoms,R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms,A is --CO--NH-- or --NH--CO--, andn is 1, 2 or 3,And non-toxic salts thereof formed with an inorganic or organic base; the compounds as well as the salts are useful as antihyperlipidemics.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: August 16, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhart Griss, Wolfgang Grell, Rudolf Hurnaus, Robert Sauter, Bernhard Eisele, Nikolaus Kaubisch, Matyas Leitold
  • Patent number: 4010279
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenylalkyl, phenylalkenyl, pyridyl or ##STR2## where X, Y and Z are each hydrogen, halogen, alkyl of 1 to 3 carbon atoms or alkoxy of 1 to 3 carbon atoms,R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms,R.sub.3 is hydroxymethyl, carboxyl, alkoxycarbonyl of 2 to 7 carbon atoms or cycloalkoxycarbonyl or 4 to 8 carbon atoms,A is --CO--NH-- or --NH--CO--, andn is 1, 2 or 3,And, when R.sub.3 is carboxyl, non-toxic salts thereof formed with an inorganic or organic base; the compounds as well as the salts are useful as antihyperlipidemics.
    Type: Grant
    Filed: December 23, 1975
    Date of Patent: March 1, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhart Griss, Wolfgang Grell, Rudolf Hurnaus, Robert Sauter, Bernhard Eisele, Nikolaus Kaubisch, Matyas Leitold
  • Patent number: 3993778
    Abstract: Pharmaceutical compositions containing as an active ingredient an N-(hydroxy-cyclohexyl)-benzylamine of the formula ##SPC1##Wherein R.sub.1 is hydrogen or methyl, or a non-toxic, pharmacologically acceptable acid addition salt thereof; and a method of using the same as anti-ulcerogenics.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: November 23, 1976
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Johannes Keck, Matyas Leitold, Sigfrid Puschmann, Gerd Kruger