Patents by Inventor Joachim Kahling

Joachim Kahling 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: 4735959
    Abstract: There are described novel carboxylic acid derivatives of the formula ##STR1## and derivatives of the formula ##STR2## and the addition salts thereof, which exhibit an effect on the intermediary metabolism. Furthermore, the compounds of Formula Ia as well as the compounds of Formula I possess blood-sugar lowering properties.
    Type: Grant
    Filed: May 14, 1985
    Date of Patent: April 5, 1988
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Wolfgang Grell, Gerhart Griss, Robert Sauter, Rudolf Hurnaus, Eckhard Rupprecht, Nikolaus Kaubisch, Joachim Kahling, Bernhard Eisele
  • Patent number: 4536402
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is phenyl, halo- and/or methyl-substituted phenyl or pyridinyl;R.sub.2 is hydrogen, straight or branched alkyl of 1 to 4 carbon atoms, 2- or 3-hydroxy-(alkyl of 2 to 3 carbon atoms) or 2- or 3-dimethylamino-(alkyl of 2 to 3 carbon atoms);R.sub.3 is hydrogen or alkyl of 1 to 3 carbon atoms; andR.sub.4 is hydrogen, chlorine or methyl.The compounds are useful as anticonvulsants.
    Type: Grant
    Filed: November 29, 1984
    Date of Patent: August 20, 1985
    Assignee: Dr. Karl Thomae Gesellschaft mit beschranter Haftung
    Inventors: Wolfhard Engel, Eckhart Bauer, Gunter Trummlitz, Peter Danneberg, Joachim Kahling
  • Patent number: 4343811
    Abstract: This invention relates to novel indole derivatives of formula ##STR1## and the non-toxic, pharmacologically acceptable salts thereof. These compounds exhibit desirable pharmacological properties, especially lipid-level lowering and anti-atherosclerotic activity. The compounds of the invention may be prepared by, for example, alkylation of a corresponding hydroxy indole.
    Type: Grant
    Filed: February 29, 1980
    Date of Patent: August 10, 1982
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Rudolf Hurnaus, Gerhart Griss, Wolfgang Grell, Robert Sauter, Bernhard Eisele, Nikolaus Kaubisch, Eckhard Rupprecht, Joachim Kahling
  • Patent number: 4288437
    Abstract: Compounds of the formula ##STR1## wherein Ar is phenyl; mono- or di-substituted phenyl, where the substituents are one to two halogens, one to two alkyls of 1 to 3 carbon atoms, or one amino, nitro, cyano or trifluoromethyl; or pyridinyl;R is hydrogen, chlorine, methyl or methoxy;R.sub.1 is hydrogen or methyl;R.sub.2 is hydrogen, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkynyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, methyl-(cycloalkyl of 3 to 8 carbon atoms) or --A--R.sub.4,where A is alkylene of 2 to 3 carbon atoms, and R.sub.4 is hydroxyl, methylamino, dimethylamino, N-methyl-ethylamino, diethylamino, pyrrolidino, piperidino, hexamethyleneimino, morpholino or 4-methyl-1-piperazinyl; orR.sub.1 and R.sub.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: September 8, 1981
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Wolfhard Engel, Gunter Trummlitz, Ernst Seeger, Joachim Kahling
  • Patent number: 4179508
    Abstract: Compounds of the formula ##STR1## wherein A is lower alkylene,R is lower alkyl, andn is 0, 1 or 2;the compounds are useful as anti-hyperlipidemics and anti-convulsants.
    Type: Grant
    Filed: July 18, 1978
    Date of Patent: December 18, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Volkhard Austel, Eberhard Kutter, Wolfgang Eberlein, Joachim Heider, Joachim Kahling
  • Patent number: 4093734
    Abstract: Compounds of the formula ##STR1## wherein (A) WHEN THE AMINO-SUBSTITUENT IS IN THE P-POSITION WITH RESPECT TO THE CARBONYL GROUP,R.sub.1 is chlorine in the o-position with respect to the carbonyl group,R.sub.2 is hydrogen, andR.sub.3 is ethylamino, cyclopentylamino, cyclohexylamino, cycloheptylamino, N-methyl-cyclohexylamino, benzylamino or 1-ethyl-pyrrolidyl-(2)-aminomethyl, or(b) when the amino-substituent is in the o--, m-- or p-position with respect to the carbonyl group,R.sub.1 is hydrogen, chlorine or bromine,R.sub.2 is trifluoromethyl, nitro or, when R.sub.4 is 1-(alkyl of 1 to 3 carbon atoms)-pyrrolidyl or 1-(alkyl of 1 to 3 carbon atoms)-piperidyl, also fluorine, chlorine, bromine or methyl,R.sub.3 is (alkyl of 1 to 5 carbon atoms)-amino, (cycloalkyl of 3 to 7 carbon atoms)-amino, benzylamino, quinuclidinyl-amino or --NH--(CH.sub.2).sub.n --R.sub.4where R.sub.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: June 6, 1978
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerd Kruger, Johannes Keck, Klaus Reinhold Noll, Helmut Pieper, Harald Ziegler, Helmut Ballhause, Joachim Kahling
  • Patent number: 3992536
    Abstract: Pharmaceutical dosage unit compositions containing as an active ingredient a compound of the formula ##SPC1##WhereinR.sub.1 to R.sub.3, which may be the same or different, represent hydrogen atoms, halogen atoms, hydroxy, trifluoromethyl, benzyloxy, acyloxy groups, alkyl groups with 1 to 6 carbon atoms, alkoxy groups with 1 to 3 carbon atoms, phenyl, cyclohexyl, or 2 of the radicals R.sub.1 to R.sub.3 together represents a methylenedioxy group,R.sub.4 represents a hydrogen atom or an alkyl group with 1 or 2 carbon atoms,R.sub.5 represents a hydrogen atom or an alkyl group with 1 to 3 carbon atoms andR.sub.
    Type: Grant
    Filed: December 16, 1975
    Date of Patent: November 16, 1976
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Manfred Kleemann, Joachim Kahling, Gerhart Griss, Rudolf Hurnaus
  • Patent number: 3931185
    Abstract: This invention relates to cyclobutane derivatives having the formula ##SPC1##Wherein R.sub.1 to R.sub.3, which may be the same or different, represent hydrogen atoms, halogen atoms, hydroxy, trifluoromethyl, benzyloxy, acyloxy groups, alkyl groups with 1 to 6 carbon atoms, alkoxy groups with 1 to 3 carbon atoms, phenyl, cyclohexyl, or 2 of the radicals R.sub.1 to R.sub.3 together represents a methylenedioxy group,R.sub.4 represents a hydrogen atom or an alkyl group with 1 or 2 carbon atoms,R.sub.5 represents a hydrogen atom or an alkyl group with 1 to 3 carbon atoms andR.sub.
    Type: Grant
    Filed: November 6, 1973
    Date of Patent: January 6, 1976
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Manfred Kleemann, Joachim Kahling, Gerhart Griss, Rudolf Hurnaus