Patents by Inventor Henning Koch

Henning Koch 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: 4117135
    Abstract: Pyridine derivatives of the formula ##STR1## wherein R.sub.1 is an alkyl, aliphatic, a cycloalkyl, or a substituted or unsubstituted hydrocarbon aryl and the substituent is halogen, alkoxy or methylenedioxy; R.sub.2 is H or Cl; X is CN, 5-tetrazolyl, or COOH or a carboxylic acid derivative; Y is H, OH, OCOR.sub.7, NH.sub.2, NHCOR.sub.8, R.sub.9, COOH or COOR.sub.10 and R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are alkyl groups of 1-10 carbon atoms; A is methylene or a carbon-to-carbon bond; and R.sub.3 and R.sub.4 are each H or alkyl groups of 1-4 carbon atoms, are useful as anti-inflammatory agents.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: September 26, 1978
    Assignee: Schering, A.G.
    Inventors: Eberhard Schroder, Henning Koch
  • Patent number: 4057640
    Abstract: Carbazoles of the formula ##STR1## wherein R.sub.1 is hydroxymethyl, alkanoyloxymethyl, tetrazolyl, cyano, oximinocarbonyl, aminocarbonyl, carboxyl and salts thereof with physiologically acceptable bases and the esters thereof with physiologically acceptable alcohols and amides thereof with physiologically acceptable amines,R.sub.2 through R.sub.6 each are a hydrogen atom, halogen atom, lower alkyl, trifluoromethyl, or lower alkoxy, orR.sub.5 and R.sub.6 collectively are a five- or six-membered isocyclic ring, andR.sub.7 is a hydrocarbon of 3-8 carbon atoms or, when at least one of the R.sub.2 through R.sub.6 is other than a hydrogen atom, a hydrogen atom, methyl or ethyl,And the corresponding compounds wherein R.sub.7 is a hydrogen atom, methyl or ethyl,And the 5,6,7,8-tetrahydrocarbazoles, possess topical anti-inflammatory activity.
    Type: Grant
    Filed: May 6, 1976
    Date of Patent: November 8, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Biere, Hanns Ahrens, Clemens Rufer, Eberhard Schroder, Henning Koch
  • Patent number: 4042706
    Abstract: Pyrazole compounds of the formula ##STR1## wherein n is 1, 2, 3, or 4; R.sub.1, R.sub.2, R.sub.3, and R.sub.4, which can be in the ortho, meta or para position, each are hydrogen, halogen, alkyl, alkoxy, trifluoromethyl, nitro or amino; X is cyano, aminocarbonyl, lower alkoxycarbonyl, carboxy and physiologically acceptable salts thereof, have anti-inflammatory activity.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: August 16, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Hanns Ahrens, Henning Koch, Eberhard Schroder, Helmut Biere, Joachim-Friedrich Kapp
  • Patent number: 4012510
    Abstract: Methylene steroids of the formula ##STR1## wherein X is H, F or CH.sub.3 ; Y is hydroxymethylene, alkanoyloxymethylene or carbonyl; R.sub.1 is H, OH or alkanoyloxy; and R.sub.2 is H, OH or esterified OH, possess topical anti-inflammatory activity.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: March 15, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Rudolf Wiechert, Klaus Kieslich, Henning Koch
  • Patent number: 4011322
    Abstract: Benzimidazoles of the formula ##STR1## wherein R.sub.1 is o-hydroxyphenyl, a p-chlorophenyl, or p-fluorophenyl, and R.sub.2 is an alkyl of 2-4 carbon atoms, and physiologically acceptable acid addition salts thereof possess topical anti-inflammatory activity.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: March 8, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Dieter Rahtz, Hans Wendt, Henning Koch
  • Patent number: 3968219
    Abstract: Bis-hydroxyphenylbutazone esters of alkanedioic acids of the formula ##SPC1##Wherein n is an integer from 1 to 18, inclusive; R.sub.1 is hydrocarbon of 3-9 carbon atoms, optionally substituted by oxo or interrupted by thia, sulfinyl, or sulfonyl; and R.sub.2 is a hydrogen atom, a fluorine atom, a chlorine atom, lower alkyl of 1-4 carbon atoms, or trifluoromethyl, preferably in the ortho or para position, possess topical anti-inflammatory activity.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: July 6, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Dieter Rahtz, Henning Koch, Erich Gerhards
  • Patent number: 3962471
    Abstract: Indolylacetylamino acids of the formula ##SPC1##Wherein R is H or CH.sub.3, physiologically acceptable salts thereof and the corresponding amides, alkyl and benzyl esters and alkyl and benzyl ethers thereof, possess anti-inflammatory activity.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: June 8, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Biere, Hanns Ahrens, Clemens Rufer, Eberhard Schroder, Henning Koch
  • Patent number: 3962453
    Abstract: Compounds of the formula ##SPC1##Wherein X and Y each are a bond or methylene, R is H or lower-alkyl and Z is a carboxyl, amide, nitrile or alkoxycarbonyl of 1-6 carbon atoms in the alkoxy group and the corresponding compounds bearing 1-2 halogen, lower-alkyl or lower-alkoxy groups on one or both benzene rings and, when Z is carboxyl, salts thereof with physiologically acceptable bases, possess anti-inflammatory and antipyretic activities.
    Type: Grant
    Filed: September 12, 1974
    Date of Patent: June 8, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Hans Ahrens, Helmut Biere, Clemens Rufer, Eberhard Schroder, Henning Koch
  • Patent number: 3956295
    Abstract: Carbazoles of the formula ##SPC1##Wherein R.sub.1 is hydroxymethyl, alkanoyloxymethyl, tetrazolyl, cyano, oximinocarbonyl, aminocarbonyl, carboxyl and salts thereof with physiologically acceptable bases and the esters thereof with physiologically acceptable alcohols and amides thereof with physiologically acceptable amines,R.sub.2 through R.sub.6 each are a hydrogen atom, halogen atom, lower alkyl, trifluoromethyl, or lower alkoxy, orR.sub.5 and R.sub.6 collectively are a five- or six-membered isocyclic ring, andR.sub.7 is a hydrocarbon of 3-8 carbon atoms or, when at least one of the R.sub.2 through R.sub.6 is other than a hydrogen atom, a hydrogen atom, methyl or ethyl,And the corresponding compounds wherein R.sub.7 is a hydrogen atom, methyl or ethyl,And the 5,6,7,8-tetrahydrocarbazoles, possess topical anti-inflammatory activity.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: May 11, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Biere, Hanns Ahrens, Clemens Rufer, Eberhard Schroder, Henning Koch