Patents Assigned to Boehringer Mannheim G.m.b.H.
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Patent number: 3996361Abstract: 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: GrantFiled: December 10, 1974Date of Patent: December 7, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Walter-Gunar Friebe, Max Thiel, Werner Winter, Androniki Roesch, Wolfgang Schaumann
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Patent number: 3996241Abstract: 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: GrantFiled: October 22, 1974Date of Patent: December 7, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Ruth Heerdt, Manfred Hubner, Felix Helmut Schmidt, Kurt Stach
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Patent number: 3995040Abstract: 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: GrantFiled: July 14, 1975Date of Patent: November 30, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Alfred Rhomberg, Herbert Berger, Kurt Stach, Wolfgang Vomel, Winfriede Sauer
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Patent number: 3993742Abstract: 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: GrantFiled: December 19, 1973Date of Patent: November 23, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Hans-Georg Rey, Walter Rittersdorf, Ernst-Werner Busch
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Patent number: 3991188Abstract: 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: GrantFiled: July 3, 1975Date of Patent: November 9, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Ansgar Lerch, Alfred Popelak, Kurt Stach, Egon Roesch, Klaus Hardebeck
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Patent number: 3989832Abstract: 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: GrantFiled: July 31, 1975Date of Patent: November 2, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Herbert Berger, Rudi Gall, Kurt Stach, Wolfgang Vomel, Rita Hoffmann
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Patent number: 3988460Abstract: 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: GrantFiled: March 13, 1975Date of Patent: October 26, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Alfred Rhomberg, Herbert Berger, Kurt Stach, deceased, by Werner Plattner, executor, Wolfgang Vomel, Winfriede Sauer
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Patent number: 3988317Abstract: 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: GrantFiled: November 2, 1972Date of Patent: October 26, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Wolfgang Kampe, Klaus Koch, Kurt Stach, Harald Stork, Felix Helmut Schmidt
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Patent number: 3988208Abstract: 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: GrantFiled: March 17, 1975Date of Patent: October 26, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Wolfgang Werner, Peter Vogel, Hugo Tiedemann, Werner Guthlein
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Patent number: 3986931Abstract: .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: GrantFiled: August 4, 1975Date of Patent: October 19, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Erich Bernt, Wolfgang Gruber, Erich Haid, Fritz Stahler, August Wilhelm Wahlefeld, Gunter Weimann
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Patent number: 3981862Abstract: 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: GrantFiled: March 14, 1975Date of Patent: September 21, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Wolfgang Voigtlander, Fritz Kaiser, Wolfgang Schaumann, Kurt Stach
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Patent number: 3982012Abstract: 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: GrantFiled: June 10, 1975Date of Patent: September 21, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Erich Fauland, Wolfgang Kampe, Max Thiel, Wolfgang Bartsch, Wolfgang Schaumann
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Patent number: 3979520Abstract: 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: GrantFiled: September 20, 1974Date of Patent: September 7, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Werner Rothe, Helmut Heinemann, Felix Helmut Schmidt, Gunter Betzien
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Patent number: 3979447Abstract: .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: GrantFiled: November 27, 1973Date of Patent: September 7, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Erich Bernt, Wolfgang Gruber, Erich Haid, Fritz Stahler, August Wilhelm Wahlefeld, Gunter Weimann
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Patent number: 3977944Abstract: 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: GrantFiled: October 2, 1974Date of Patent: August 31, 1976Assignees: Eppendorf Geratebau Netheler & Hinz GmbH, Boehringer Mannheim G.m.b.H.Inventors: Reinhard Muller-Matthesius, Wolfgang Gruber
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Patent number: 3976779Abstract: 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: GrantFiled: April 16, 1975Date of Patent: August 24, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Herbert Leinert, Alfred Popelak, Kurt Stach, Wolfgang Bartsch, Karl Dietmann
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Patent number: 3975398Abstract: 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: GrantFiled: July 10, 1974Date of Patent: August 17, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Wolfgang Werner, Peter Vogel, Hugo Tiedemann, Werner Guthlein
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Patent number: 3969337Abstract: 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: GrantFiled: March 27, 1974Date of Patent: July 13, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Karl Lauer, Georg Stoeck, Friedrich Batz
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Patent number: 3968129Abstract: 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: GrantFiled: January 28, 1975Date of Patent: July 6, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Wolfgang Kampe, Kurt Stach, Max Thiel, Wolfgang Bartsch, Karl Dietmann
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Patent number: 3966916Abstract: 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: GrantFiled: November 21, 1974Date of Patent: June 29, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Wolfgang Kampe, Erich Fauland, Kurt Stach, Harald Stork, Felix Helmut Schmidt