Patents by Inventor Helmut Biere

Helmut Biere 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: 4058619
    Abstract: Thiophene derivatives of the formula ##STR1## WHEREIN R.sub.x is --S-CHR.sub.5 -COOH or --S-CH.sub.2 -CH.sub.2 -OH, R.sub.y is 1-2 of halogen alkoxy of 1-6 carbon atoms, aralkyl of 7-10 carbon atoms, phenyl, halophenyl or alkylcarbonyl of 1-6 carbon atoms in the alkyl group, and R.sub.5 is a hydrogen atom, when R.sub.y is a halogen atom, when R.sub.5 is alkyl, their enantiomers, and their pharmacologically acceptable salts thereof with bases, possess antilipolytic activity.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: November 15, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Hanns Ahrens, Helmut Biere, Clemens Rufer, Ralph Schmiechen, Eberhard Schroeder, Olaf Loge, Wolfgang Losert, Ekkehard Schillinger
  • 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: 4031236
    Abstract: Thiophene derivatives of the formula ##STR1## IN WHICH R.sub.x is --S--CHR.sub.5 --CONHOH or --S--CHR.sub.5 -5-tetrazolyl in which R.sub.5 is H or alkyl of 1-6 carbon atoms and R.sub.y is 0-2 of alkyl or alkoxy of 1-6 carbon atoms or halogen, and their pharmacologically acceptable salts with bases, possess antilipolytic activity.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: June 21, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Hanns Ahrens, Helmut Biere, Clemens Rufer, Ralph Schmiechen, Eberhard Schroeder, Olaf Loge, Wolfgang Losert, Ekkehard Schillinger
  • Patent number: 4021450
    Abstract: Thiophene derivatives of the formula ##STR1## WHEREIN R.sub.x is --S-CHR.sub.5 -COOH or -S-CH.sub.2 -CH.sub.2 -OH, R.sub.y is 1-2 of halogen alkoxy of 1-6 carbon atoms, aralkyl of 7-10 carbon atoms, phenyl, halophenyl or alkylcarbonyl of 1-6 carbon atoms in the alkyl group, and R.sub.5 is a hydrogen atom, when R.sub.y is a halogen atom, when R.sub.5 is alkyl, their enantiomers, and their pharmacologically acceptable salts thereof with bases, possess antilipolytic activity.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: May 3, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Hanns Ahrens, Helmut Biere, Clemens Rufer, Ralph Schmiechen, Eberhard Schroeder, Olaf Loge, Wolfgang Losert, Ekkehard Schillinger
  • Patent number: 3965103
    Abstract: Compounds of the formula v,2/12Wherein R.sub.1 is H, lower-alkyl, hydroxyalkyl, phenyl, aralkyl, or --(CH.sub.2) .sub.n --X wherein n is 0-4 and X is --COO-lower-alkyl, C.tbd.N or --COOH and R.sub.2 is H, lower-alkyl or aralkyl, produced by condensing a diamine of the formula ##SPC1##With a nitro compound of the formula R.sub.1 --CH.sub.2 --NO.sub.2 in the presence of formalin or paraformaldehyde, or with the R.sub.1 -- C(CH.sub.2 OH).sub.2 NO.sub.2 reaction product of the above nitro compound and formalin or paraformaldehyde, or with formalin or paraformaldehyde followed by reaction with the above nitro compound, and their acid addition salts, possess antimicrobial activity against both gram-positive and gram-negative bacteria and also against dermatophytes, yeasts and other fungi.
    Type: Grant
    Filed: September 20, 1974
    Date of Patent: June 22, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Biere, Hermann Ulbrich, Hans-Joachim Kessler, Ulrich Redmann
  • 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: 3960949
    Abstract: 1,2-Substituted biguanides of the formula ##EQU1## wherein R.sub.1 is saturated or unsaturated, straight-chain or branched hydrocarbon of 1-12 carbon atoms which is unsubstituted or substituted by one or more fluorine atoms; a cycloalkyl group of 3-6 carbon atoms; or an aryl or aralkyl group of the formula ##SPC1##With n being the integer 0, 1 or 2 and X being hydrogen or halogen; and R'.sub.1 is a hydrogen atom or a saturated or unsaturated, straight-chain or branched hydrocarbon group of 1-12 carbon atoms; or R.sub.1 and R'.sub.1 collectively with the nitrogen atom to which they are attached are a heterocyclic ring containing one or more hetero atoms; and R.sub.
    Type: Grant
    Filed: July 9, 1974
    Date of Patent: June 1, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Hanns Ahrens, Clemens Rufer, Helmut Biere, Eberhard Schroder, Wolfgang Losert, Olaf Loge, Ekkehard Schillinger
  • 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