Patents Assigned to Boehringer Mannheim G.m.b.H.
  • Patent number: 3996361
    Abstract: A N.sup.6 -substituted-9-[3-(4-phenyl-piperazino)-propyl]-adenine of the formula ##STR1## wherein R.sub.1 is hydrogen or a lower alkyl radical, andR.sub.2 is a lower alkyl radical, a lower alkyl radical substituted by at least one of phenyl and hydroxyl, a lower alkenyl radical, a cycloalkyl radical or an aryl radical, orR.sub.1 and R.sub.2 together with the nitrogen atom to which they are attached form a piperidine, pyrrolidine or morpholine ring, andR.sub.3 is hydrogen, halogen, a lower alkyl radical or a lower alkoxy radical,Or a salt thereof with a pharmacologically compatible acid, which compounds are characterized by marked anti-edematous activity as well as by activity in reducing capillary permeability.
    Type: Grant
    Filed: December 10, 1974
    Date of Patent: December 7, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Walter-Gunar Friebe, Max Thiel, Werner Winter, Androniki Roesch, Wolfgang Schaumann
  • Patent number: 3996241
    Abstract: New indole derivatives of the formula ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, are hydrogen or halogen or lower alkyl or, taken together, represent a --CH=CH-CH=CH- bridge, with the proviso that R.sub.1 and R.sub.2 are not both hydrogen, and wherein, when R.sub.2 is halogen or alkyl, R.sub.1 can also be alkoxy;Are outstandingly effective in blood sugar lowering action in mammals.
    Type: Grant
    Filed: October 22, 1974
    Date of Patent: December 7, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Ruth Heerdt, Manfred Hubner, Felix Helmut Schmidt, Kurt Stach
  • Patent number: 3995040
    Abstract: New cyclopenteno-quinolone derivatives of the formula ##SPC1##WhereinR is a saturated or unsaturated aliphatic hydrocarbyl, e.g., alkyl and alkenyl,X is hydrogen or alkyl, andY is halogen, azido, alkylthio, alkyl-sulfonyl, or nitrile or unsubstituted or substituted (e.g., alkyl mono or di-substituted) amino;And the pharmacologically compatible salts thereof; are outstandingly effective as bacteriostats in mammals.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: November 30, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Alfred Rhomberg, Herbert Berger, Kurt Stach, Wolfgang Vomel, Winfriede Sauer
  • Patent number: 3993742
    Abstract: A diagnostic composition comprising a base material and a light colored coating material thereon, wherein the base material has a dark color on its coated side, and the coating material is a finely dispersed microporous plastic applied in a thickness sufficient for the complete masking of the color of the base material, is outstandingly effective in detecting fat or fat-like substances on surfaces by merely contacting the composition with the surface.
    Type: Grant
    Filed: December 19, 1973
    Date of Patent: November 23, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Hans-Georg Rey, Walter Rittersdorf, Ernst-Werner Busch
  • Patent number: 3991188
    Abstract: New 3-alkyl-4-sulfamoyl-aniline compounds of the formula ##SPC1##WhereinR.sub.1 is phenyl, furyl or thienyl;R.sub.2 is carboxyl or tetrazolyl-(5)R.sub.4 is a straight-chain or branched alkyl radical of from 2 to 5 carbon atoms; andn is 1 or 2;And the pharmacologically compatible salts thereof; are outstandingly effective saluretic compounds, particularly when administered enterally.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: November 9, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Ansgar Lerch, Alfred Popelak, Kurt Stach, Egon Roesch, Klaus Hardebeck
  • Patent number: 3989832
    Abstract: Nitroimidazolyl-s-triazolo[4,3-b]pyridazines of the formula: ##SPC1##Wherein R is hydrogen or lower alkyl optionally substituted in the 2-position by hydroxyl or by lower acyloxy or lower alkoxy;A is hydrogen, halogen, azido, cyano; lower alkyl, alkoxy, alkylthio, alkylsulfonyl, carboxyl; lower alkoxycarbonyl, lower alkoxycarbonimidoyl; or hydrazino, carbamoyl, amidino or a carboximidohydrazide group optionally substituted by one or two lower acyl, alkyl or cycloalkyl radicals; orA is a radical of the formula: ##EQU1## wherein R.sub.1 and R.sub.2 are, individually, hydrogen or a number of organic radicals or, taken together, can be an alkylene bridge; andR.sub.3 is hydrogen or lower alkyl; or, together with R.sub.2, R.sub.3 can form an alkylene bridge;n is 0 or 1;And the pharmaceutically compatible thereof, possess high in vivo effectiveness as antimicrobials.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: November 2, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Herbert Berger, Rudi Gall, Kurt Stach, Wolfgang Vomel, Rita Hoffmann
  • Patent number: 3988460
    Abstract: Certain novel cyclopentenoquinolone derivatives of the formula: ##SPC1##WhereinR and X, which may be the same or different, are hydrogen or lower saturated or unsaturated aliphatic hydrocarbyl;Y is hydroxyl or lower alkoxy or lower acyloxy (i.e., alkanoyloxy); andZ is hydrogen or lower alkoxy, or, together with Y, represents an oxo or lower alkenyldioxy radical; and the pharmacologically compatibile salts thereofAre outstandingly effective as anti-microbials, particularly for applications against infections of the urinary tract.
    Type: Grant
    Filed: March 13, 1975
    Date of Patent: October 26, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Alfred Rhomberg, Herbert Berger, Kurt Stach, deceased, by Werner Plattner, executor, Wolfgang Vomel, Winfriede Sauer
  • Patent number: 3988317
    Abstract: New heterocyclic-substituted nebularin compounds of the formula: ##SPC1##WhereinR.sub.1 is hydrogen, halogen or amino;R.sub.2 and R.sub.3, which may be the same or different, are hydrogen, hydroxyl, lower alkyl, alkoxy or hydroxyalkyl; andn is 2 or 3 or, when R.sub.1 is a halogen atom or an amino group, n can also be 1; and the pharmacologically compatible salts thereof;Are outstandingly effective in reducing body fat levels in mammals, e.g., the concentration of free fatty acids, of triglycerides and of cholesterol in serum.
    Type: Grant
    Filed: November 2, 1972
    Date of Patent: October 26, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Wolfgang Kampe, Klaus Koch, Kurt Stach, Harald Stork, Felix Helmut Schmidt
  • Patent number: 3988208
    Abstract: Novel 3-aminocarbazole compounds of the formula: ##SPC1##WhereinX is hydrogen or halogen,Y is oxygen or represents two hydrogen atoms; andR.sub.1 and R.sub.2, which can be the same or different, are hydrogen, lower alkyl or hydroxyalkyl or amino; andN is 1 or 2, with the proviso that when n is2, X, Y, R.sub.1 and R.sub.2 cannot all be hydrogen atoms, as well as the salts thereof with inorganic and organic acids; are outstandingly effective indicators for the determination of glucose and provide stable compositions for such glucose determination.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: October 26, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Wolfgang Werner, Peter Vogel, Hugo Tiedemann, Werner Guthlein
  • Patent number: 3986931
    Abstract: .gamma.-Glutamyl-4-nitroanilide compounds of the formula ##SPC1##Wherein R is a .gamma.-glutamyl radical and X is an acid group, and salts of such compounds, are used to determine .gamma.-glutamyltranspeptidase by contacting a sample suspected of containing .gamma.-glutamyltranspeptidase with said compound and glycyl-glycine and determining the liberation of the resulting p-nitroaniline compound as a measure of the .gamma.-glutamyltranspeptidase activity initially present in the sample.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: October 19, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Erich Bernt, Wolfgang Gruber, Erich Haid, Fritz Stahler, August Wilhelm Wahlefeld, Gunter Weimann
  • Patent number: 3981862
    Abstract: A process for the preparation of a C22-alkyl-derivative of digoxin of the formula ##SPC1##In whichR.sub.1 is an alkyl radical containing up to 4 carbon atoms,R.sub.2 and R.sub.3 are selected from the group consisting of hydrogen, acyl, benzyl, carbobenzoxy, trimethylsilyl, tetrahydropyranyl or phosphonoacyl radicals or together form an alkylidene radical,Comprising reacting a compound of the formula ##SPC2##With an alkyl iodide of the formula R.sub.1 I in the presence of a strongly polar aprotic solvent and an alkali metal hydride. If R.sub.2 and R.sub.3 are other than hydrogen they can subsequently be replaced by hydrogen by hydrolysis or hydrogenation. The product can be .alpha.- or .beta.-methylated to produce compounds of high resorption and low toxicity.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: September 21, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Wolfgang Voigtlander, Fritz Kaiser, Wolfgang Schaumann, Kurt Stach
  • Patent number: 3982012
    Abstract: New 4-hydroxy-benzimidazole compounds of the formula: ##EQU1## wherein R.sub.1 is straight-chained or branched alkyl andR.sub.2 is hydrogen atom or lower alkylAnd the pharmacologically compatible salts thereof; are outstandingly effective in the treatment and prophylaxis of cardiac and circulatory diseases, and provide substantially greater margins of safety than prior art adrenergic .beta.-receptor inhibitors.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: September 21, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Erich Fauland, Wolfgang Kampe, Max Thiel, Wolfgang Bartsch, Wolfgang Schaumann
  • Patent number: 3979520
    Abstract: Rapidly resorbable particulate glibenclamide having a particle surface area of active material of at least 3 m.sup.2 /g is produced by precipitating the active material from its solution in an organic solvent or in water or aqueous alcohol, preferably rendered alkaline, using water which is preferably acidified.
    Type: Grant
    Filed: September 20, 1974
    Date of Patent: September 7, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Werner Rothe, Helmut Heinemann, Felix Helmut Schmidt, Gunter Betzien
  • Patent number: 3979447
    Abstract: .gamma.-Glutamyl-4-nitroanilide compounds of the formula ##SPC1##Wherein R is a .gamma.-glutamyl radical and X is an acid group, and salts of such compounds, are used to determine .gamma.-glutamyltranspeptidase by contacting a sample suspected of containing .gamma.-glutamyltranspeptidase with said compound and glycylglycine and determining the liberation of the resulting p-nitroaniline compound as a measure of the .gamma.-glutamyltranspeptidase activity initially present in the sample.
    Type: Grant
    Filed: November 27, 1973
    Date of Patent: September 7, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Erich Bernt, Wolfgang Gruber, Erich Haid, Fritz Stahler, August Wilhelm Wahlefeld, Gunter Weimann
  • Patent number: 3977944
    Abstract: Enzyme-kinetic determination of the concentration of an enzyme substrate which is acted on during an enzymatic reaction is carried out by adding at least one competitive inhibitor to an enzymatic reaction medium to bring the ratio of the substrate concentration C.sub.3 to the apparent Michaelis constant K'.sub.M to 0.2:1 or less, homogenizing the medium and determining the rate change of the enzymatic reaction at certain intervals of time.
    Type: Grant
    Filed: October 2, 1974
    Date of Patent: August 31, 1976
    Assignees: Eppendorf Geratebau Netheler & Hinz GmbH, Boehringer Mannheim G.m.b.H.
    Inventors: Reinhard Muller-Matthesius, Wolfgang Gruber
  • Patent number: 3976779
    Abstract: New 1,2,3,4-tetra-hydrocarbazole derivatives of the formula: ##SPC1##Wherein R.sup.1 is straight-chained or branched alkyl, and the pharmacologically compatible salts thereof, are markedly effective as inhibitors of adrogenic .beta.-receptors and thus useful for the treatment and prophylaxis of cardiac and circulatory diseases.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: August 24, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Herbert Leinert, Alfred Popelak, Kurt Stach, Wolfgang Bartsch, Karl Dietmann
  • Patent number: 3975398
    Abstract: Novel 3-aminocarbazole compounds of the formula: ##SPC1##WhereinX is hydrogen or halogen,Y is oxygen or represents two hydrogen atoms; andR.sub.1 and R.sub.2, which can be the same or different, are hydrogen, lower alkyl or hydroxyalkyl or amino; andn is 1 or 2, with the proviso that when n is 2, X, Y, R.sub.1 and R.sub.2 cannot all be hydrogen atoms,As well as the salts thereof with inorganic and organic acids; are outstandingly effective indicators for the determination of glucose and provide stable compositions for such glucose determination.
    Type: Grant
    Filed: July 10, 1974
    Date of Patent: August 17, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Wolfgang Werner, Peter Vogel, Hugo Tiedemann, Werner Guthlein
  • Patent number: 3969337
    Abstract: The process for the chromatographic fractionation of whey comprising passing whey through a column of an ion exchange material, thereafter passing water through said column as eluant, and collecting the aqueous effluent from said column as a plurality of fractions. Advantageously the ion exchange material is a polystyrene resin containing sulfonic acid groups neutralized with calcium ions and cross-linked with about 2 to 4% by weight of divinyl-benzene, and the eluant is demineralized water.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: July 13, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Karl Lauer, Georg Stoeck, Friedrich Batz
  • Patent number: 3968129
    Abstract: New amine derivatives of azidophenols having the formula: ##EQU1## wherein R is straight-chained or branched alkyl;And the pharmacologically compatible salts thereof;Inhibit adrenogenic .beta.-receptors and are suitable for the treatment and prophylaxis of cardiac and circulatory diseases.
    Type: Grant
    Filed: January 28, 1975
    Date of Patent: July 6, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Wolfgang Kampe, Kurt Stach, Max Thiel, Wolfgang Bartsch, Karl Dietmann
  • Patent number: 3966916
    Abstract: New N(6)-disubstituted adenosine compound of the formula ##SPC1##WhereinR.sub.1 is lower alkyl substituted by at least one of hydroxyl, alkoxy or acyloxy; or is cycloalkyl or straight-chained or branched lower alkenyl;R.sub.2 and R.sub.3 are hydrogen, halogen, or nitro or lower alkyl, alkoxy or alkylthio andR.sub.4 is hydrogen or acyl; when R.sub.4 is acyl, R.sub.1 can also be lower alkyl;And the pharmacologicaly compatible salts thereof; exhibits shown anti-lipolytic, anti-hyperlipaemic and anti-hypercholesterolaemic action.
    Type: Grant
    Filed: November 21, 1974
    Date of Patent: June 29, 1976
    Assignee: Boehringer Mannheim G.m.b.H.
    Inventors: Wolfgang Kampe, Erich Fauland, Kurt Stach, Harald Stork, Felix Helmut Schmidt