Patents by Inventor Manfred Plempel

Manfred Plempel 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: 3993647
    Abstract: Imidazolylacetic acid amides of the formula: ##SPC1##Or pharmaceutically acceptable nontoxic salts thereof whereinEitherR.sup.1 is phenyl or cycloalkyl, unsubstituted or substituted by one or more substituents; andR.sup.2 is hydrogen;OrR.sup.1 and R.sup.2, together with the nitrogen atom to which they are attached, form a saturated 5 to 7-membered heterocyclic ring which ring may contain an --SO.sub.2 -- or --NY-- moiety wherein Y is alkoxycarbonyl, dialkylaminocarbonyl, or phenyl or diphenylmethyl, unsubstituted or substituted by one or more substituents and wherein said 5 to 7-membered heterocyclic ring itself is otherwise unsubstituted or substituted by one or more substituents; andX.sup.1, x.sup.2, x.sup.3 and X.sup.4 are the same or different and are each hydrogen or halogen,Are antimycotic agents.
    Type: Grant
    Filed: July 9, 1975
    Date of Patent: November 23, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Wenzelburger, Karl Heinz Buchel, Manfred Plempel, Werner Meiser
  • Patent number: 3993765
    Abstract: Pharmaceutical compositions are produced which comprise an antimycotically effective amount of a compound of the formula ##SPC1##Or a pharmaceutically acceptable non-toxic salt thereof whereinR.sup.1 is an unsubstituted or substituted aryl moiety,R.sup.2 is hydrogen, alkyl, alkenyl, cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl, andR.sup.3 is hydrogen, alkyl or cycloalkyl,Provided that when R.sup.3 is hydrogen, R.sup.2 cannot be hydrogen, in combination with a pharmaceutically acceptable nontoxic inert diluent or carrier.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: November 23, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Heinz Buchel, Wolfgang Kramer, Manfred Plempel
  • Patent number: 3987180
    Abstract: Pharmaceutical compositions are produced which comprise an antimycotically effective amount of a compound of the formula ##EQU1## or a pharmaceutically acceptable non-toxic salt thereof wherein R.sup.1 is an unsubstituted or substituted aryl moiety,R.sup.2 is hydrogen, alkyl, alkenyl, cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl, andR.sup.3 is hydrogen, alkyl or cycloalkyl,Provided that when R.sup.3 is hydrogen, R.sup.2 cannot be hydrogen, in combination with a pharmaceutically acceptable non-toxic inert diluent or carrier.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: October 19, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Heinz Buchel, Wolfgang Kramer, Manfred Plempel
  • Patent number: 3985766
    Abstract: Bis-imidazolyl-bisphenylmethane derivatives and pharmaceutically acceptable non-toxic salts thereof are useful as antimycotics especially against dermatomycosis caused by Trichophyton and Microsporium species and also against yeast infections of the skin and internal organs.
    Type: Grant
    Filed: October 31, 1969
    Date of Patent: October 12, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erik Regel, Karl Heinz Buchel, Manfred Plempel
  • Patent number: 3983240
    Abstract: Antimicrobial compositions comprising 1-(1,2,4-triazolyl-1')-2-phenoxy alkane derivatives as the active ingredient.The compositions are well tolerated and combine their non-toxic effect within an especially good antimycotic activity.
    Type: Grant
    Filed: September 9, 1974
    Date of Patent: September 28, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Heinz Buchel, Manfred Plempel, Wolfgang Kramer
  • Patent number: 3980780
    Abstract: N-methyl-imidazole derivatives of the formula: ##EQU1## or a pharmaceutically acceptable non-toxic salt thereof, wherein X is an unsubstituted or substituted 6-membered heteroaromatic moiety having two nitro heteroatoms,Y is an unsubstituted or substituted aliphatic moiety, an unsubstituted or substituted cycloaliphatic moiety, an unsubstituted or substituted aralkyl moiety or an unsubstituted or substituted aryl moiety, andZ is an unsubstituted or substituted aliphatic moiety, an unsubstituted or substituted cycloaliphatic moiety, an unsubstituted or substituted aralkyl moiety, an unsubstituted or substituted aryl moiety, an unsubstituted or substituted pyridyl moiety or an alkoxycarbonyl moiety,Are useful as antimycotic agents.
    Type: Grant
    Filed: February 28, 1975
    Date of Patent: September 14, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Draber, Karl Heinz Buchel, Erik Regel, Manfred Plempel
  • Patent number: 3978069
    Abstract: Phenyl-imidazolyl-fatty acid derivatives of the formula ##EQU1## wherein R.sup.1, R.sup.2, and R.sup.3 are the same or different, and are hydrogen or lower alkyl;R.sup.4 is hydrogen, alkyl, lower alkoxy, alkylmercapto, or an electro negative moiety;R.sup.5 is benzene, benzene substituted by alkyl, lower alkoxy, alkylmercapto or an electro negative moiety, or R.sup.5 is an aliphatic moiety;X is a carboxyl moiety or a grouping of a functional carboxylic acid derivative;m is 0, 1, 2, 3, 4, 5 or 6; andn is 0, 1 or 2,And pharmaceutically acceptable non-toxic salts thereof.These phenyl-imidazolyl-fatty acid derivatives exhibit antimycotic activity.
    Type: Grant
    Filed: August 24, 1972
    Date of Patent: August 31, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Heinz Buchel, Werner Meiser, Manfred Plempel, Carl Metzger
  • Patent number: 3969522
    Abstract: Diaryl-pyridyl-imidazolyl methanes of the formula ##SPC1##And pharmaceutically acceptable non-toxic salts thereof, wherein R.sup.1 and R.sup.2 are the same or different alkyl of 1 to 4 carbon atoms, are produced either byA. reacting a (dialkylphenyl-phenyl-pyridyl)-methanol of the formula ##SPC2##Wherein R.sup.1 and R.sup.2 are as above defined, with thionyl-bis-imidazole in the presence of an inert organic diluent at a temperature of from -20.degree. C to about 150.degree. C; orB. reacting a (dialkylphenyl-phenyl-pyridyl)-methyl halide of the formula ##SPC3##Wherein R.sup.1 and R.sup.2 are as above defined and Hal is chlorine or bromine, with imidazole in the presence of an acid binding agent at a temperature of from 20.degree. C to about 180.degree.C. The diaryl-pyridyl-imidazole methanes of the present invention are useful for their antimycotic activity.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: July 13, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Draber, Manfred Plempel, Karl Heinz Buchel
  • Patent number: 3968229
    Abstract: Pharmaceutical compositions are produced which comprise combining an antimycotically effective amount of a compound of the formula ##EQU1## or a pharmaceutically acceptable, nontoxic salt thereof, wherein R.sup.1 is unsubstituted or substituted aryl,R.sup.2 is hydrogen, alkyl or unsubstituted or substituted aryl,R.sup.3 is hydrogen, alkyl, cycloalkyl, unsubstituted or substituted aryl or unsubstituted or substituted aralkyl, andR.sup.4 is hydrogen, alkyl, alkenyl, cycloalkyl, unsubstituted or substituted aryl, or unsubstituted or substituted aralkyl,Provided that R.sup.3 and R.sup.4 are not both hydrogen atoms, in combination with a pharmaceutically-acceptable, nontoxic, inert diluent or carrier.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: July 6, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Manfred Plempel
  • Patent number: 3950354
    Abstract: Imidazolylacetic acid amides of the formula: ##SPC1##Or pharmaceutically acceptable nontoxic salts thereof whereinEitherR.sup.1 is phenyl or cycloalkyl, unsubstituted or substituted by one or more substituents; andR.sup.2 is hydrogen;OrR.sup.1 and R.sup.2, together with the nitrogen atom to which they are attached, form a saturated 5 to 7-membered heterocyclic ring which ring may contain an --SO.sub.2 -- or --NY-- moiety wherein Y is alkoxycarbonyl, dialkylaminocarbonyl, or phenyl or diphenylmethyl, unsubstituted or substituted by one or more substituents and wherein said 5 to 7-membered heterocyclic ring itself is otherwise unsubstituted or substituted by one or more substituents; andX.sup.1, x.sup.2, x.sup.3 and X.sup.4 are the same or different and are each hydrogen or halogen,Are produced byA. reacting a halodiphenylacetic acid amide of the formula: ##SPC2##WhereinR.sup.1, r.sup.2, x.sup.1, x.sup.2, x.sup.3 and X.sup.4 are as above defined, andHal is halogen,With imidazole; orB.
    Type: Grant
    Filed: September 24, 1973
    Date of Patent: April 13, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Wenzelburger, Karl Heinz Buchel, Manfred Plempel, Werner Meiser
  • Patent number: 3949080
    Abstract: Pharmaceutical compositions comprising a triazolyl-O,N-acetal as the active ingredient and method of using same. The said compositions are useful as antimicrobials and are especially useful as antimycotic agents.
    Type: Grant
    Filed: April 30, 1974
    Date of Patent: April 6, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Werner Meiser, Manfred Plempel
  • Patent number: 3940413
    Abstract: 1-Ethyl-imidazoles of the formula ##SPC1##Or a pharmaceutically acceptable nontoxic salt thereof, are produced byA. reacting a compound of the formula ##SPC2##With imidazole; orB. when R.sup.1 is hydrogen, reacting a compound of the formula ##SPC3##With imidazole in the presence of an acid binding agent. In the case of the salts the free base produced is reacted with an appropriate acid.The 1-ethyl-imidazoles are useful for their antimycotic activity.
    Type: Grant
    Filed: August 20, 1973
    Date of Patent: February 24, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl Heinz Buchel, Werner Meiser, Manfred Plempel
  • Patent number: 3934014
    Abstract: N-methyl-imidazole derivatives of the formula: ##EQU1## or a pharmaceutically acceptable non-toxic salt thereof, wherein X is an unsubstituted or substituted 6-membered heteroaromatic moiety having two nitro heteroatoms,Y is an unsubstituted or substituted aliphatic moiety, an unsubstituted or substituted cycloaliphatic moiety, an unsubstituted or substituted aralkyl moiety or an unsubstituted or substituted aryl moiety, andZ is an unsubstituted or substituted aliphatic moiety, an unsubstituted or substituted cycloaliphatic moiety, an unsubstituted or substituted aralkyl moiety, an unsubstituted or substituted aryl moiety, an unsubstituted or substituted pyridyl moiety or an alkoxycarbonyl moiety,Are useful as antimycotic agents.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: January 20, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Draber, Karl Heinz Buchel, Erik Regel, Manfred Plempel