Patents by Inventor Harald Weifenbach

Harald Weifenbach 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: 5414006
    Abstract: Arylalkoxythiocoumarins of the formula ##STR1## where R.sup.1 and R.sup.2 are each, independently of one another, hydrogen, C.sub.1 -C.sub.5 -alkyl, trifluoromethyl, phenyl or halogen, or together are a C.sub.3 -C.sub.5 -alkylene chain, andX is oxygen or sulfur,R.sup.3 is C.sub.1 -C.sub.5 -alkyl or halogen,n is an integer from 0 to 3,R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl andAr is phenyl, which can be mono- or disubstituted by halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.1 -C.sub.6 -alkoxy, nitro, cyano, trifluoromethyl or a combination of these substituents or is a heteraromatic ring which has from one to three heteroatoms which can, independently of one another, be N, O or S, and which can be substituted by C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.4 -alkoxy-substituted C.sub.1 -C.sub.6 -alkyl, 5-6-membered oxacycloalkyl, benzyl, C.sub.1 -C.sub.5 -alkoxycarbonyl, perfluoro-C.sub.1 -C.sub.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: May 9, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Beatrice Rendenbach-Mueller, Ulrich Karl, Harald Weifenbach
  • Patent number: 5227392
    Abstract: An alkoxycoumarin substituted by a heterocyclic radical, or the formula ##STR1## R.sup.1 and R.sup.2 independently of one another are each hydrogen, C.sub.1 -C.sub.5 -alkyl, trifluoromethyl, phenyl or halogen, or together form a C.sub.3 -C.sub.5 -alkylene chain, R.sup.3 is C.sub.1 -C.sub.5 -alkyl or halogen, n is an integer of from 0 to 3, R.sup.4 is hydrogen or C.sub.1 -C.sub.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: July 13, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz-Frieder Frickel, Thomas Kuekenhoehner, Beatrice Rendenbach-Mueller, Harald Weifenbach, Hans-Juergen Teschendorf
  • Patent number: 5100914
    Abstract: Arylalkoxycoumarins of the general formula I ##STR1## where R.sup.1 and R.sup.2 independently of one another are each hydrogen, lower alkyl, phenyl or halogen, or the two radicals together form an alkylene bridge of 3 to 5 carbon atoms, R.sup.3 is lower alkyl or halogen, n is an integer of from 0 to 3, m is an integer of from 0 to 4, R.sup.4 is hydrogen or lower alkyl and Ar is a phenyl ring which is monosubstituted to trisubstituted by halogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy or monosubstituted by nitro, cyano or trifluoromethyl or is a naphthyl ring, with the proviso that m is not 0 when Ar is unsubstituted phenyl, processes for their preparation, and drugs prepared therefrom.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: March 31, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Beatrice Rendenbach-Mueller, Harald Weifenbach, Jans-Juergen Teschendorf
  • Patent number: 5073563
    Abstract: An alkoxycoumarin substituted by a heterocyclic radical, of the formula ##STR1## Het is one of the following heterocyclic radicals: where X is oxygen or sulfur.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: December 17, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz-Frieder Frickel, Thomas Kuekenhoehner, Beatrice Rendenbach-Mueller, Harald Weifenbach, Hans-Juergen Teschendorf
  • Patent number: 4877807
    Abstract: A 5-phenyl-1,3,3a,4,5,9b-hexahydro-3H-benz(e)indole compound of the formula I: ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-6 alkyl, R.sup.2 is hydrogen or C.sub.1-3 alkyl in the 3a- or 4-position, R.sup.3 and R.sup.4 are each hydrogen, hydroxyl, halogen, C.sub.1-3 alkyl, C.sub.1-3 alkoxy, C.sub.1-3 alkylthio or trifluoromethyl, acetylamino or amino and R.sup.5 is hydrogen or C.sub.1-3 alkyl, or a salt thereof with a physiologically tolerated acid. The compounds and compositions are useful for treating depression or trating convulsions and which exhibit a sedative and tranquilizing effect when administered to a patient.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: October 31, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Walter Himmele, Ernst Buschmann, Hans-Juergen Teschendorf, Harald Weifenbach
  • Patent number: 4824862
    Abstract: Novel 3-phenyl-2-styrylpyrrolidines of the formula I ##STR1## where R.sup.1 -R.sup.7 have defined meanings, are suitable for treating disorders.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: April 25, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Himmele, Gerd Steiner, Hans-Juergen Teschendorf, Harald Weifenbach
  • Patent number: 4619929
    Abstract: Novel phenylpiperazinylpropane and -butane derivatives of hetarylphenols and hetarylanilines of the formula ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 4 carbon atoms, R.sup.2 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy where alkyl is of 1 to 3 carbon atoms, the phenyl ring can be monosubstituted or disubstituted by R.sup.2, X is oxygen or an NH group, and the heterocyclic structure Het. is 1,3,4-oxadiazolyl, triazolyl, imidazolyl or pyrazolyl, and their physiologically tolerated addition salts with acids, processes for their preparation, and pharmaceutical formulations which contain these compounds and exhibit predominantly sedative, neuroleptic and hypotensive properties.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: October 28, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter C. Thieme, Gerd Steiner, Wolfgang Rohr, Dieter Lenke, Josef Gries, Harald Weifenbach, Hans-Juergen Teschendorf, Hans P. Hofmann, Horst Kreiskott
  • Patent number: 4335138
    Abstract: Novel carbamates derived from substituted cyclic .beta.-keto-alcohols, their preparation, and pharmaceutical formulations which contain these compounds and which may be used as hypnotics in the treatment of sleep disturbance and as sedatives.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: June 15, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter-Wielant Wiersdorff, Karl-Heinz Geiss, Harald Weifenbach, Wolfgang Worstmann, Dieter Lenke, Rolf Kretzschmar