Patents by Inventor Max Hropot

Max Hropot 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: 6399824
    Abstract: Substituted cinnamic acid guanidides, process for their preparation, their use as a medicament or diagnostic, and medicament comprising them. Compounds of the formula I which may be obtained by reaction of a compound II with guanidine.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: June 4, 2002
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Armin Hofmeister, Max Hropot, Uwe Heinelt, Markus Bleich, Hans-Jochen Lang
  • Publication number: 20020058710
    Abstract: Substituted cinnamic acid guanidides, process for their preparation, their use as a medicament or diagnostic, and medicament comprising them.
    Type: Application
    Filed: September 18, 2001
    Publication date: May 16, 2002
    Applicant: Aventis Pharma Deutschland GmbH.
    Inventors: Armin, Hofmeister, Max Hropot, Uwe Heinelt, Markus Bleich, Hans-Jochen Lang
  • Patent number: 6191164
    Abstract: Sulfonamide-substituted chromans, processes for their preparation, their use as a medicament or a diagnostic, and medicament comprising them Chromans of the formula I and of the formula 1a having the meanings R(A), R(B), R(C) and R(1) to R(8) indicated in the claims are outstandingly suitable for preparing a medicament for blocking the K+ channel which is opened by cyclic adenosine monophosphate (cAMP); and further for preparing a medicament for inhibiting gastric acid secretion; for the treatment of ulcers of the stomach and of the intestinal region, in particular of the duodenum, for the treatment of reflux esophagitis, for the treatment of diarrheal illnesses, for the treatment and prevention of all types of arrhythmias including ventricular and supraventricular arrhythmias, and for the control of reentry arrhythmias and for the prevention of sudden heart death as a result of ventricular fibrillation.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: February 20, 2001
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans Jochen Lang, Uwe Gerlach, Joachim Brendel, Henrich Christian Englert, Heinz Gögelein, Max Hropot, Helmut Bohn, Andreas Herling, Andreas Busch, Rainer Greger
  • Patent number: 5863901
    Abstract: This invention relates to a method of treating a chronic fibrogenetic liver disorder and/or an acute liver disorder and/or complications associated therewith, comprising administering to a patient a therapeutically effective amount of a bradykinin antagonist. Particular complications associated with said liver disorders include portal hypertension, decompensation phenomena such as ascites, edema formation, hepatorenal syndrome, hypertensive gastropathy and colopathy, splenomegaly and hemorrhagic complications in the gastrointestinal tract due to portal hypertension, collateral circulation and hyperemia and a cardiopathy as a result of a chronically hyperdynamic circulatory situation and its consequences.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: January 26, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Breipohl, Stephan Henke, Jochen Knolle, Klaus Wirth, Max Hropot, Martin Bickel
  • Patent number: 5786365
    Abstract: The invention relates to the use of nonpeptide bradykinin antagonists for the production of pharmaceuticals for the treatment of chronic fibrogenetic liver disorders (hepatic cirrhosis and hepatic fibrosis), acute liver disorders and for the prevention of complications, in particular for the prophylaxis or treatment of portal hypertension, decompensation symptoms such as ascites, edema formation, hepatorenal syndrome, hypertensive gastropathy and colopathy, splenomegaly and hemorrhagic complications in the gastrointestinal tract due to portal hypertension, collateral circulation and hyperemia and a cardiopathy as a result of a chronically hyperdynamic circulatory situation and its consequences.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: July 28, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Holger Heitsch, Adalbert Wagner, Klaus Wirth, Max Hropot, Martin Bickel
  • Patent number: 5674838
    Abstract: Hirudin derivatives can be prepared by the selective enzymic replacement of a part of the molecule with an amino derivative. The hirudin derivatives are suitable for preparing pharmaceuticals having an anticoagulatory effect.
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: October 7, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Obermeier, Jurgen Ludwig, Dominique Tripier, Max Hropot
  • Patent number: 5011825
    Abstract: The invention relates to peptides of the formulaR.sup.N --L--N--B.sup.2 --R.sup.C (I)in which R.sup.N denotes an acyl radical, L denotes a radical of a lipophilic, neutral .alpha.-amino acid, N denotes a radical of an neutral .alpha.-amino acid, B.sup.2 denotes the radical of a basic .alpha.-amino acid, and R.sup.C denotes an amido radical; a process for their preparation, agents containing these peptides, and their use.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: April 30, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Konig, Gerhard Breipohl, Rolf Geiger, Jochen Knolle, Max Hropot
  • Patent number: 4994493
    Abstract: Compounds I ##STR1## with R equal to hydrogen or (C.sub.1 -C.sub.4)-alkyl,X equal to (CH.sub.2).sub.n with n=1-4, unsubstituted or substituted, andAr is equal to an aromatic or heteroaromatic system, optionally substituted,and their pharmaceutically tolerated salts are valuable pharmaceuticals for the treatment of cerebral edema or diarrhea.
    Type: Grant
    Filed: July 29, 1986
    Date of Patent: February 19, 1991
    Assignees: Max-Planck-Gesellschaft zur Forderung der Wissenschaften, Hoechst Aktiengesellschaft
    Inventors: Rainer Greger, Heinrich C. Englert, Hans-Jochen Lang, Max Hropot
  • Patent number: 4942176
    Abstract: A description is given of a process for the preparation of a compound of the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 (identical or different) represent H, alkyl having 1-2 carbon atoms and F, Cl, Br or I;R.sup.4 represents H, alkyl having 1-4 carbon atoms, n represents the numbers 2-5, andR.sup.5 represents a radical which can be eliminated under physiological conditions or represents hydrogen, and its physiologically tolerated salts.They are effective remedies for diarrhea.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: July 17, 1990
    Assignee: Hoechst Aktiengellschaft
    Inventors: Heinrich C. Englert, Max Hropot, Hans-Jochen Lang, Rainer Greger
  • Patent number: 4929643
    Abstract: Compounds of the formula I ##STR1## with R.sup.1 equal to H or (cyclo)alk(en)yl, R.sup.2 equal to H or alkyl, R.sup.3 equal to alkyl, R.sup.4 /R.sup.5 equal to H, alkyl or acyl, and Y equal to H, alkyl, CF.sub.3 or Hal, are described, as are processes for the preparation thereof.They are effective diuretics and antihypertensive agents with a lipid-lowering action.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: May 29, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Jochen Lang, Max Hropot, Ernold Granzer, Bela Kerekjarto
  • Patent number: 4921875
    Abstract: A description is given of the use of amino-substituted benzoic acid derivatives of the formula I ##STR1## in which R.sup.1 and R.sup.2 denote hydrogen, (cyclo)alkyl, unsubstituted or substituted phenyl or naphthyl, or R.sup.1 and R.sup.2 together denote a chain --(CH.sub.2).sub.m -- with m=3 to 6, or together denote a chain --(CH.dbd.CH).sub.n -- with n equal to 2 or 3; R.sup.3 denotes hydrogen, halogen or alkyl; R.sup.4 denotes hydrogen or NO.sub.2 ; R.sup.5 denotes hydrogen or a radical which can be eliminated under physiological conditions; for the preparation of a remedy for diarrhea.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: May 1, 1990
    Assignees: Hoechst Aktiengesellschaft, Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften
    Inventors: Heinrich C. Englert, Max Hropot, Hans-Jochen Lang, Rainer Greger
  • Patent number: 4849444
    Abstract: Compounds of the formula I ##STR1## with R.sup.1 equal to H or (cyclo)alk(en)yl, R.sup.2 equal to H or alkyl, R.sup.3 equal to alkyl, R.sup.4 /R.sup.5 equal to H, alkyl or acyl, and Y equal to H, alkyl, CF.sub.3 or Hal, are described, as are processes for the preparation thereof.They are effective diuretics and antihypertensive agents with a lipid-lowering action.
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: July 18, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Jochen Lang, Max Hropot, Ernold Granzer, Bela Kerekjarto
  • Patent number: 4766241
    Abstract: The invention relates to 2-aminomethylphenols of the formula I ##STR1## in which R.sup.1 and R.sup.2 represent hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or benzyl which is optionally substituted by alkyl, alkoxy or halogen, R.sup.3 and R.sup.5 denote hydrogen, halogen, alkyl or alkoxy, R.sup.4 denotes halogen, alkyl or cycloalkyl and R.sup.6 and R.sup.7 represent hydrogen or alkyl, it being possible for the radicals R.sup.1 and R.sup.2, R.sup.6 R.sup.7 and/or two of the radicals R.sup.3, R.sup.4 and R.sup.5 to form an alkylene chain which is optionally substituted by methyl groups and which, in the case of the radicals R.sup.1, R.sup.2, R.sup.6 and R.sup.7, can also be interrupted by oxygen atoms, sulfur atoms and/or imino groups, and to physiologically acceptable salts thereof, a process for their preparation, and their use and to pharmaceutical formulations based on these compounds.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: August 23, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich C. Englert, Dieter Mania, Roman Muschaweck, Max Hropot
  • Patent number: 4607030
    Abstract: The invention relates to 2-aminomethylphenols of the formula I ##STR1## in which R.sup.1 and R.sup.2 represent hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or benzyl which is optionally substituted by alkyl, alkoxy or halogen, R.sup.3 and R.sup.5 denote hydrogen, halogen, alkyl or alkoxy, R.sup.4 denotes halogen, alkyl or cycloalkyl and R.sup.6 and R.sup.7 represents hydrogen or alkyl, it being possible for the radicals R.sup.1 and R.sup.2, R.sup.6 and R.sup.7 and/or two of the radicals R.sup.3, R.sup.4 and R.sup.5 to form an alkylene chain which is optionally substituted by methyl groups and which, in the case of the radicals R.sup.1, R.sup.2, R.sup.6 and R.sup.7, can also be interrupted by oxygen atoms, sulfur atoms and/or imino groups, and to physiologically acceptable salts thereof, a process for their preparation, and their use and to pharmaceutical formulations based on these compounds.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: August 19, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinrich C. Englert, Dieter Mania, Roman Muschaweck, Max Hropot
  • Patent number: 4574128
    Abstract: 5-(4-Chloro-3-sulfamoylbenzoyl)-2,3-dihydro-2-benzofurancarboxylic acids of the formula I ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent hydrogen, halogen or methyl, both as racemic mixtures and in the form of their optical isomers, and their physiologically tolerated salts are described, as is their preparation. They are outstanding diuretics and saluretics with an additional uricosuric component.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: March 4, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bernhard Seuring, Hans-Jochen Lang, Max Hropot, Roman Muschaweck
  • Patent number: 4478843
    Abstract: What are disclosed are salidiuretic compounds of the formula ##STR1## and physiologically acceptable salts thereof, wherein R is phenyl, furyl or thienyl, intermediates of said compounds, methods for making said compounds, salidiuretic pharmaceutical preparations containing said compounds or salts, and methods for treating humans and other mammals with such compounds or salts.
    Type: Grant
    Filed: November 4, 1981
    Date of Patent: October 23, 1984
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl Sturm, Roman Muschaweck, Max Hropot
  • Patent number: 4406895
    Abstract: The invention relates to base-substituted anthranilic acids of the formula I ##STR1## in which R denotes furyl, thienyl or phenyl, and to physiologically acceptable salts thereof, and also to a process for their preparation, to an agent containing these and to their use as medicaments.
    Type: Grant
    Filed: January 20, 1982
    Date of Patent: September 27, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl Sturm, Roman Muschaweck, Max Hropot
  • Patent number: 4235918
    Abstract: Benzenesulfonamide derivatives as defined in the specification have an outstanding salidiuretic action. Some of the compounds exhibit a significant increase in the excretion of uric acid and the uric acid clearance. They are distinguished by a long-lasting period of action and are suitable for the treatment of hypertonic conditions in humans, optionally in combination with anti-hypertonic agents.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: November 25, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Jochen Lang, Roman Muschaweck, Max Hropot