Patents by Inventor Wolfgang Grell

Wolfgang Grell 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: 4575504
    Abstract: Compounds of the formula ##STR1## wherein A is ##STR2## and R is hydrogen, alkyl of 1 to 5 carbon atoms, alkanoyl of 1 to 5 carbon atoms, alkenyl of 3 to 5 carbon atoms, (alkoxy of 1 to 4 carbon atoms)carbonyl, or aralkyl of 7 to 11 carbon atoms optionally halo-substituted,and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: March 11, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Robert Sauter, Gerhart Griss, deceased, Wolfgang Grell, Rudolf Hurnaus, Walter Kobinger, Ludwig Pichler
  • Patent number: 4486433
    Abstract: Compounds of the formula ##STR1## wherein A and B, which may be the same or different, each represent methylene, (alkyl of 1 to 3 carbon atoms)-methylene, ethylene or (alkyl of 1 to 3 carbon atoms)-ethylene;R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, alkenyl of 3 to 6 carbon atoms, phenyl-(alkyl of 1 to 3 carbon atoms), halophenyl-(alkyl of 1 to 3 carbon atoms), alkanoyl of 1 to 3 carbon atoms, phenyl-(alkanoyl of 1 to 3 carbon atoms), halophenyl-(alkanoyl of 1 to 3 carbon atoms), alkoxycarbonyl of 2 to 4 carbon atoms, aralkoxycarbonyl of 8 to 10 carbon atoms or phenyl;one of R.sub.2 and R.sub.3 is amino and the other is hydrogen, chlorine, bromine, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, phenyl or halophenyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: December 4, 1984
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Rudolf Hurnaus, Gerhart Griss, Robert Sauter, Wolfgang Grell, Walter Kobinger, Ludwig Pichler
  • Patent number: 4414225
    Abstract: Compounds of the formula ##STR1## wherein n and m are each 1, 2 or 3, and the sum of n+m is 4;R.sub.1 is alkyl; alkenyl; unsubstituted, mono- or di-substituted aralkyl; unsubstituted, mono- or di-substituted benzoyl; alkoxycarbonyl; aralkoxycarbonyl; or, when m and n are each 2 and/or R.sub.2 and R.sub.3 are other than both hydrogen at the same time, also hydrogen;one of R.sub.2 and R.sub.3 is hydrogen or amino, and the other is carboxyl or alkoxycarbonyl; or, when R.sub.3 is hydrogen,R.sub.2 is hydrogen; amino; alkoxycarbonyl-amino; (unsubstituted or mono-substituted phenyl)-aminocarbonyl-; (unsubstituted or mono-substituted phenyl)ethylaminocarbonyl; azidocarbonyl; or hydrazinocarbonyl;X is oxygen, sulfur or ##STR2## where R.sub.4 is hydrogen; alkyl; phenyl-alkyl; or phenyl; non-toxic, pharmacologically acceptable acid addition salts thereof; and, when R.sub.2 or R.sub.3 is carboxyl, non-toxic, pharmacologically acceptable salts thereof formed with inorganic or organic bases.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: November 8, 1983
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Robert Sauter, Gerhart Griss, Wolfgang Grell, Rudolf Hurnaus, Bernhard Eisele, Walter Haarmann, Eckhard Rupprecht
  • Patent number: 4409220
    Abstract: Compounds of the formula ##STR1## wherein A and B, which may be the same or different, each represent methylene, (alkyl of 1 to 3 carbon atoms)-methylene, ethylene or (alkyl of 1 to 3 carbon atoms)-ethylene;R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, alkenyl of 3 to 6 carbon atoms, phenyl-(alkyl of 1 to 3 carbon atoms), halophenyl-(alkyl of 1 to 3 carbon atoms), alkanoyl of 1 to 3 carbon atoms, phenyl-(alkanoyl of 1 to 3 carbon atoms), halophenyl-(alkanoyl of 1 to 3 carbon atoms), alkoxycarbonyl of 2 to 4 carbon atoms, aralkoxycarbonyl of 8 to 10 carbon atoms or phenyl;one of R.sub.2 and R.sub.3 is amino and the other is hydrogen, chlorine, bromine, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, alkoxycarbonyl of 2 to 4 carbon atoms, phenyl or halophenyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bradycardiacs.
    Type: Grant
    Filed: August 27, 1981
    Date of Patent: October 11, 1983
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Rudolf Hurnaus, Gerhart Griss, Robert Sauter, Wolfgang Grell, Walter Kobinger, Ludwig Pichler
  • 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: 4042711
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenylalkyl, phenylalkenyl, pyridyl or ##STR2## where X, Y and Z are each hydrogen, halogen, alkyl of 1 to 3 carbon atoms or alkoxy of 1 to 3 carbon atoms,R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms,A is --CO--NH-- or --NH--CO--, andn is 1, 2 or 3,And non-toxic salts thereof formed with an inorganic or organic base; the compounds as well as the salts are useful as antihyperlipidemics.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: August 16, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhart Griss, Wolfgang Grell, Rudolf Hurnaus, Robert Sauter, Bernhard Eisele, Nikolaus Kaubisch, Matyas Leitold
  • Patent number: 4010279
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is straight or branched alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, phenylalkyl, phenylalkenyl, pyridyl or ##STR2## where X, Y and Z are each hydrogen, halogen, alkyl of 1 to 3 carbon atoms or alkoxy of 1 to 3 carbon atoms,R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms,R.sub.3 is hydroxymethyl, carboxyl, alkoxycarbonyl of 2 to 7 carbon atoms or cycloalkoxycarbonyl or 4 to 8 carbon atoms,A is --CO--NH-- or --NH--CO--, andn is 1, 2 or 3,And, when R.sub.3 is carboxyl, non-toxic salts thereof formed with an inorganic or organic base; the compounds as well as the salts are useful as antihyperlipidemics.
    Type: Grant
    Filed: December 23, 1975
    Date of Patent: March 1, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhart Griss, Wolfgang Grell, Rudolf Hurnaus, Robert Sauter, Bernhard Eisele, Nikolaus Kaubisch, Matyas Leitold
  • Patent number: 3987047
    Abstract: Compounds of the formula ##SPC1##Wherein ##EQU1## where R.sub.1 is hydrogen, straight or branched aliphatic acyl of 1 to 12 carbon atoms, methoxy-substituted straight or branched aliphatic acyl of 1 to 12 carbon atoms, benzoyl, halo-benzoyl, carbalkoxy of 2 to 7 carbon atoms, carbcycloalkoxy of 4 to 7 carbon atoms, benzyl, methylbenzyl, phenylsulfonyl, halo-phenylsulfonyl, tolylsulfonyl, alkenyl of 2 to 6 carbon atoms, phenyl, trifluoroacetyl, amidino, amido, thioamido, phenoxycarbonyl, benzyloxycarbonyl, methylsulfonyl or--B -- XwhereB is straight or branched alkylene of 1 to 6 carbon atoms, andX is hydrogen, hydroxyl, methoxy, carboxyl, cyano, dimethylaminocarbonyl, morpholino-carbonyl or carbalkoxy of 2 to 6 carbon atoms,R.sub.2 is hydrogen, hydroxyl, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms, alkanoyloxy of 1 to 3 carbon atoms, alkoxycarbonyloxy of 2 to 4 carbon atoms, amino, dimethylamino, morpholino or halogen,R.sub.
    Type: Grant
    Filed: November 5, 1974
    Date of Patent: October 19, 1976
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gerhart Griss, Rudolf Hurnaus, Wolfgang Grell, Robert Sauter, Richard Reichl