Patents by Inventor Wolfgang Schaumann
Wolfgang Schaumann 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).
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Patent number: 6326378Abstract: The present invention relates to the method of treating leukemia, lymphoma or inhibiting the proliferation of cells with a compound of formula I.Type: GrantFiled: October 5, 2000Date of Patent: December 4, 2001Assignee: Roche Diagnostics GmbHInventors: Walter-Gunar Friebe, Wolfgang Schaumann, Otto-Henning Wilhelms
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Patent number: 4810801Abstract: The present invention provides new pyrrolobenzimidazoles of the general formula: ##STR1## wherein R.sub.1 -R.sub.5, X and T are as defined in the specification. The present invention also provides processes for the preparation of these compounds and pharmaceuticals containing them for the prophylaxis and treatment of heart and circulatory diseases.Type: GrantFiled: October 1, 1987Date of Patent: March 7, 1989Assignee: Boehringer Mannheim GmbHInventors: Alfred Mertens, Jens-Peter Holck, Wolfgang Kampe, Bernd Muller-Beckmann, Klaus Strein, Wolfgang Schaumann
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Patent number: 4710510Abstract: The present invention provides new pyrrolobenzimidazoles of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl, alkenyl or cycloalkyl radical; R.sub.2 is a hydrogen atom, cyano group or alkyl or alkenyl radical or a carbonyl group substituted by hydroxyl, alkyl, alkoxy, amino, alkylamino, dialkylamino or hydrazino or together with R.sub.1 forms a cycloalkylene radical or R.sub.1 and R.sub.2 together form an alkylidene or cycloalkylidene radical; R.sub.3, R.sub.4 and R.sub.Type: GrantFiled: December 10, 1985Date of Patent: December 1, 1987Assignee: Boehringer Mannheim GmbHInventors: Alfred Mertens, Jens-Peter Holck, Wolfgang Kampe, Bernd Muller-Beckmann, Klaus Strein, Wolfgang Schaumann
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Patent number: 4704381Abstract: The present invention is concerned with the use of adenosine derivatives for the treatment of allergic diseases, as well as for bronchosphatic and broncho-constrictive reactions brought about by inflammation. The above adenosine derivatives can be used alone or together with xanthine derivatives. The invention is further concerned with compositions containing compounds of adenosine derivatives and optionally compounds of xanthine derivatives together with appropriate pharmaceutical carriers.Type: GrantFiled: February 13, 1985Date of Patent: November 3, 1987Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Schaumann, Otto-Henning Wilhelms, Androniki Roesch, Wolfgang Kampe
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Patent number: 4642309Abstract: The present invention provides indolin-2-one derivatives of the general formula: ##STR1## wherein R.sub.1 is a C.sub.1 -C.sub.6 alkyl radical or a radical of the general formula: ##STR2## in which A is a straight-chained or branched C.sub.2 -C.sub.4 alkylene radical and Z is an oxygen or sulphur atom, R.sub.2 and R.sub.3, which can be the same or different, are hydrogen or halogen atoms, hydroxyl groups, C.sub.2 -C.sub.6 alkanoyl radicals, C.sub.2 -C.sub.4 alkenyl radicals, C.sub.2 -C.sub.4 alkynyl radicals, C.sub.1 -C.sub.6 alkyl radicals, C.sub.1 -C.sub.6 alkoxy radicals, C.sub.2 -C.sub.4 alkenyloxy radicals, C.sub.2 -C.sub.4 alkynyloxy radicals, C.sub.1 -C.sub.6 alkylthio radicals, C.sub.2 -C.sub.6 alkanoylamido radicals or radicals of the general formula: ##STR3## in which R.sub.4 and R.sub.5, which can be the same or different, are hydrogen atoms, C.sub.1 -C.sub.6 alkyl radicals or C.sub.3 -C.sub.10 cycloalkyl radicals or R.sub.4 and R.sub.5 together represent a C.sub.2 -C.sub.Type: GrantFiled: September 26, 1985Date of Patent: February 10, 1987Assignee: Boehringer Mannheim GmbHInventors: Helmut Michel, Klaus Marzenell, Wolfgang Kampe, Wolfgang Bartsch, Wolfgang Schaumann
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Patent number: 4486442Abstract: The present invention provides bicyclic phenol ethers of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl radical,R.sub.2 is a hydrogen atom or an acyl radical,X is an oxygen or sulphur atom or an --NH-- group;Y is a --CO--CHR.sub.3 -- group or a ##STR2## group; R.sub.3 is a hydrogen atom, a lower alkyl radical which can be optionally substituted by an aryl radical, or a cycloalkyl radical containing 3 to 7 carbon atoms; andR.sub.4 and R.sub.5, which can be the same or different, are hydrogen atoms, lower alkyl radicals, lower alkyl radicals, alkenyl radicals containing 2 to 16 carbon atoms, which can be optionally substituted by an aryl radical, or an aryl radical; orR.sub.4 and R.sub.5, together with the carbon atom to which they are attached, form a cycloalkyl ring containing 3 to 7 carbon atoms; and thesalts thereof with pharmacologically acceptable acids.Type: GrantFiled: February 25, 1983Date of Patent: December 4, 1984Assignee: Boehringer Mannheim GmbHInventors: Walter-Gunar Friebe, Wolfgang Kampe, Androniki Roesch nee Apostolides, Wolfgang Schaumann
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Patent number: 4461763Abstract: The present invention provides 3'"-dehydrocardenolide tridigitoxoside oximes of the general formula: ##STR1## in which R.sub.1 is a hydrogen atom or an alkyl radical containing up to 3 carbon atoms, R.sub.2 is a hydrogen atom or a lower acyl or alkyl radical and R.sub.3 represents two hydrogen atoms, the group ##STR2## or the oximino group .dbd.NOR.sub.1, wherein R.sub.1 has the above-given meaning.The present invention also provides a process for the preparation of these oximes, as well as pharmaceutical compostions containing them which are useful for the treatment of cardiac insufficiency.Type: GrantFiled: November 5, 1982Date of Patent: July 24, 1984Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Schaumann, Fritz Kaiser, Wolfgang Voigtlander, Edgar Hoyer, Peter Neubert
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Patent number: 4436735Abstract: The present invention provides ketals of 3'"-dehydrocardenolide tridigitoxosides of the general formula: ##STR1## in which R.sub.1 and R.sub.2 are identical alkyl radicals containing up to 3 carbon atoms or together represent a cyclic ketal containing 2 to 6 carbon atoms, R.sub.3 represents two hydrogen atoms, the group ##STR2## or the radical ##STR3## wherein R.sub.1 and R.sub.2 have the above-given meaning, and R.sub.4 is a hydrogen atom or a lower acyl or alkyl radical.The present invention also provides processes for the preparation of these ketals, as well as pharmaceutical compositions containing them, which are useful for the treatment of cardiac insufficiency.Type: GrantFiled: November 5, 1982Date of Patent: March 13, 1984Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Schaumann, Fritz Kaiser, Wolfgang Voigtlander, Edgar Hoyer, Peter Neubert
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Patent number: 4387104Abstract: A pyruvic acid hydrazone derivative of the formula: ##STR1## wherein R is an aryl radical optionally substituted by lower alkyl or is an aliphatic hydrocarbon radical which can be substituted by a lower alkoxy, a cycloalkyl or an optionally substituted aryl radical,A is an alkylene radical containing 2 to 8 carbon atoms, with at least 2 carbon atoms between B and the nitrogen atom, andB is an oxygen or sulphur atom;or a physiologically acceptable salt, ester or amide thereof which possesses hypoglycaemic activity.Type: GrantFiled: August 14, 1981Date of Patent: June 7, 1983Assignee: Boehringer Mannheim GmbHInventors: Ruth Heerdt, Hans P. Wolff, Fritz Kaiser, Wolfgang Schaumann, Hans Kuhnle
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Patent number: 4353895Abstract: Cardioactive cardenolide-bis-digitoxosides of the formula ##STR1## in which R.sub.1 is a hydrogen atom, a hydroxyl group or an acyloxy radical containing up to 3 carbon atoms, andR.sub.2, R.sub.3 and R.sub.4 each independently is a hydrogen atom, an acyl radical containing up to 3 carbon atoms,with the proviso that the compound contains at least one alkyl radical. The compounds exhibit desirable rates of excretion, primarily extrarenally.Type: GrantFiled: July 30, 1981Date of Patent: October 12, 1982Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Schaumann, Fritz Kaiser, Wolfgang Voigtlander, Edgar Hoyer, Klaus Koch
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Patent number: 4348401Abstract: An N-phenoxyalkylpiperidine derivative of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, an acyl radical or an optionally substituted aryl radical, R.sub.2 is a hydroxymethyl radical, a cyano group, an amidino group, an amidino group substituted by hydroxyl, a 1H tetrazol-5-yl radical or a --CO--R.sub.3 radical, R.sub.3 is a hydroxyl group, a lower alkoxy radical, an amino group, or an amino group substituted by a 1H-tetrazol-5-yl radical, X is an imino group or an oxymethyl radical, A is an alkylene radical containing 2 to 4 carbon atoms, and B is a valency bond or a 4-hydroxypyrimidin-2,5-diyl radical; or a pharmacologically acceptable salt thereof. The compounds exhibit anti-histaminic, anti-oedematous and anti-phlogistic activity.Type: GrantFiled: September 10, 1980Date of Patent: September 7, 1982Assignee: Boehringer Mannheim GmbHInventors: Walter-Gunar Friebe, Wolfgang Kampe, Max Thiel, Wolfgang Schaumann, Otto-Henning Wilhelms
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Patent number: 4292314Abstract: The present invention provides 12-dehydrodigoxin oximes of the general formula: ##STR1## wherein R.sub.1 and R.sub.2, which can be the same or different, are hydrogen atoms, lower acyl radicals or lower alkyl radicals or R.sub.1 and R.sub.2 together can represent an alkylidene radical containing 2 to 6 carbon atoms and R.sub.3 is a hydrogen atom or a lower alkyl or aralkyl radical. The present invention also provides a process for the preparation of these oximes and pharmaceutical compositions containing them and is also concerned with the use of these oximes for the preparation of pharmaceuticals for the treatment of cardiac insufficiency.Type: GrantFiled: May 19, 1980Date of Patent: September 29, 1981Assignee: Boehringer Mannheim GmbHInventors: Fritz Kaiser, Klaus Koch, Wolfgang Schaumann, Wolfgang Voigtlander
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Patent number: 4288442Abstract: A piperidinopropyl derivative of the formula ##STR1## in which R.sub.1 and R.sub.2 each independently is hydrogen or a lower alkyl radical, or together are an alkylene radical,R.sub.3 is hydrogen, hydroxy, or acyloxy,R.sub.4 is hydrogen or formyl,A together with the adjacent benzene ring and N-R.sub.4 forms a benzimidazolin-2-one, benzimidazoline-2-thione, oxindole, indazole carbazole, benztriazole, benzimidazole, indoline or indole moiety, andB is a heterocyclic radical or, under certain circumstances, a phenyl radical, either of which is optionally substituted by halogen, hydroxy, lower alkyl, hydroxy-lower alkyl, carboxamido-lower alkyl, lower alkoxy, amino, carboxamido, lower alkyl-carbonylamino, acyl or lower alkylsulphonylamino,or a pharmacologically acceptable salt thereof. The compounds inhibit adrenergic .beta.-receptors and lower blood pressure.Type: GrantFiled: January 31, 1980Date of Patent: September 8, 1981Assignee: Boehringer Mannheim GmbHInventors: Walter-Gunar Friebe, Helmut Michel, Carl H. Ross, Fritz Wiedemann, Gisbert Sponer, Wolfgang Schaumann
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Patent number: 4229464Abstract: New aminopropanol compounds of the formula ##STR1## wherein R is lower alkyl, cycloalkyl or alkylthioalkyl,R.sub.1 is hydrogen or lower alkyl, hydroxyalkyl, pivaloyloxyalkyl, alkoxyalkyl, alkoxycarbonyl, carboxyl or --CONR.sub.3 R.sub.4, in which R.sub.3 and R.sub.4 which can be the same or different, represent hydrogen or lower alkyl, andR.sub.2 is lower alkyl, hydroxyalkyl, alkoxyalkyl or pivaloyloxyalkyl or, when R is alkylthioalkyl or R.sub.1 is pivaloyloxyalkyl, R.sub.2 can also be hydrogen and the pharmacologically acceptable salts thereof; are outstandingly effective in the treatment or prophylaxis of cardiac and circulatory diseases.Type: GrantFiled: September 18, 1978Date of Patent: October 21, 1980Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Kampe, Kurt Stach, deceased, by Werner Plattner, administrator, Max Thiel, Wolfgang Bartsch, Karl Dietmann, Egon Roesch, Wolfgang Schaumann
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Patent number: 4212866Abstract: Novel 9-[3-(4-amino-piperidino)-propyl]-adenine derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl radical,R.sub.2 is a hydrogen atom, an aryl radical, a lower alkyl radical, a hydroxy lower alkyl radical, or together with R.sub.1 and the nitrogen atom to which they are attached form a heterocyclic ring, andR.sub.3 is a hydrogen atom or an acyl radical,or salts thereof with pharmacologically acceptable acids, characterized by anti-allergic, anti-inflammatory and anti-oedematous activity.Type: GrantFiled: January 24, 1979Date of Patent: July 15, 1980Assignee: Boehringer Mannheim GmbHInventors: Walter-Gunar Friebe, Max Thiel, Androniki Roesch, Otto-Henning Wilhelms, Wolfgang Schaumann
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Patent number: 4152446Abstract: New aminopropanol compounds of the formula ##STR1## wherein R is lower alkyl, cycloalkyl or alkylthioalkyl,R.sub.1 is hydrogen or lower alkyl, hydroxyalkyl, pivaloyloxyalkyl, alkoxyalkyl, alkoxycarbonyl, carboxyl or --CONR.sub.3 R.sub.4, in which R.sub.3 and R.sub.4 which can be the same or different, represent hydrogen or lower alkyl, andR.sub.2 is lower alkyl, hydroxyalkyl, alkoxyalkyl or pivaloyloxyalkyl or, when R is alkylthioalkyl or R.sub.1 is pivaloyloxyalkyl, R.sub.2 can also be hydrogen and the pharmacologically acceptable salts thereof;Are outstandingly effective in the treatment or prophylaxis of cardiac and circulatory diseases.Type: GrantFiled: June 10, 1977Date of Patent: May 1, 1979Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Kampe, Kurt Stach, Max Thiel, Wolfgang Bartsch, Karl Dietmann, Egon Roesch, Wolfgang Schaumann
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Patent number: 4151303Abstract: Novel phenoxyalkylcarboxylic acid compounds of the formula ##STR1## wherein A is aryl, aryloxy, substituted aryl or substituted aryloxy, wherein the substituents are selected from lower alkyl, lower alkoxy, halogen and haloalkyl;B is a straight-chained or branched, saturated or unsaturated hydrocarbyl containing up to 5 carbon atoms;N is 1, 2 or 3 andR.sub.1, r.sub.2 and R.sub.3, which may be the same or different, are hydrogen or lower alkyl;And the pharmacologically compatible salts thereof; have been found to be outstandingly effective in depressing serum-lipid and triglycerides in the serum of mammals.Type: GrantFiled: September 1, 1976Date of Patent: April 24, 1979Assignee: Boehringer Mannheim GmbHInventors: Ernst-Christian Witte, Hans P. Wolff, Kurt Stach, deceased, Wolfgang Schaumann, Karlheinz Stegmeier
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Patent number: 4107299Abstract: 12-Epi-digoxins of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently is hydrogen or a lower alkanoyl or alkyl radical,R.sub.3 is hydrogen or a lower alkanoyl radical, andR.sub.4 is hydrogen or a lower alkyl, alkenyl or alkynyl radical,Are characterized by marked cardioactivity and therapeutic spectrum. They are produced by reduction of the corresponding 12-dehydrodigoxin.Type: GrantFiled: November 4, 1976Date of Patent: August 15, 1978Assignee: Boehringer Mannheim GmbHInventors: Fritz Kaiser, Wolfgang Schaumann, Kurt Stach, deceased, by Werner Plattner, administrator, Wolfgang Voightlander
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Patent number: 4092416Abstract: Benzopyrones of the formula ##STR1## wherein R.sub.1 is a hydrogen or halogen atom or a hydroxyl, lower alkyl, alkoxy, alkylthio or trifluoromethyl radical,R.sub.2, r.sub.3, r.sub.4 and R.sub.5 each independently is hydrogen, a halogen atom, a hydroxyl radical, a lower alkyl or lower alkoxy radical, or a lower alkyl or lower alkoxy radical substituted by at least one of hydroxyl, halogen, mesyloxy or tosyloxy or by an oxirane, dioxane or dioxolane ring,A is a lower alkylene radical, andn is 0, 1 or 2,And salts thereof exhibit anti-allergic activity.Type: GrantFiled: December 1, 1976Date of Patent: May 30, 1978Assignee: Boehringer Mannheim GmbHInventors: Werner Winter, Max Thiel, Kurt Stach, deceased, Androniki Roesch, by Werner Plattner, administrator, Wolfgang Schaumann
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Patent number: 4076829Abstract: New aminopropanol compounds of the formula ##STR1## wherein R is lower alkyl, cycloalkyl or alkylthioalkyl,R.sub.1 is hydrogen or lower alkyl, hydroxyalkyl, pivaloyloxyalkyl, alkoxyalkyl, alkoxycarbonyl, carboxyl or --CONR.sub.3 R.sub.4, in which R.sub.3 and R.sub.4 which can be the same or different, represent hydrogen or lower alkyl, andR.sub.2 is lower alkyl, hydroxyalkyl, alkoxyalkyl or pivaloyloxyalkyl or, when R is alkylthioalkyl or R.sub.1 is pivaloyloxyalkyl, R.sub.2 can also be hydrogen andThe pharmacologically acceptable salts thereof; are outstandingly effective in the treatment or prophylaxis of cardiac and circulatory diseases.Type: GrantFiled: October 28, 1975Date of Patent: February 28, 1978Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Kampe, Kurt Stach, Max Thiel, Wolfgang Bartsch, Karl Dietmann, Egon Roesch, Wolfgang Schaumann