Patents Assigned to Asta-Pharma AG
  • Patent number: 6017909
    Abstract: Salts of azelastine with acetic acid, gluconic acid, lactic acid or malic acid.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: January 25, 2000
    Assignee: Asta Pharma AG
    Inventors: Helmut Hettche, Reinhard Muckenschnabel, Gerhard Scheffler, Ilona Fleischhauer, Wolfgang Morick
  • Patent number: 5238955
    Abstract: Antitumor acting platinum(II or IV) complexes of the general formula ##STR1## where B represents a phenyl-C.sub.1 -C.sub.4 -alkyl radical which is optionally substituted in the phenyl nucleus by the radical R.sub.1 and R.sub.1 is hydrogen, halogen, trihalogen methyl, C.sub.1 -C.sub.6 -alkyl, hydroxy, C.sub.1 -C.sub.6 -alkoxy or C.sub.2 -C.sub.6 -alkanoyloxy or where B together with the structural part H.sub.2 N-CR.sub.2 < forms a tetrahydroisoquinoline radical, if B contains benzyl and R.sub.2 hydrogen and the benzyl radical in the 2-position contains the CH.sub.2 -radical or where B together with the structural part --CR.sub.2 < represents a tetrahydronaphthyl radical in which one CH.sub.2 group is optionally replaced by oxygen, or where B together with the structural part --CR.sub.2 < represents a decahydronaphthyl radical or an indanyl radical; R.sub.2 represents hydrogen, C.sub.1 -C.sub.6 -alkyl, phenyl or phenyl-C.sub.1 -C.sub.4 -alkyl, it also being possible for the phenyl ring of this group R.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: August 24, 1993
    Assignee: Asta Pharma AG
    Inventors: Henri Brunner, Peter Hankofer, Friedrich Maiterth, Jurgen Engel, Wolfgang Schumacher, Peter Hilgard, Rainer Voegeli
  • Patent number: 5194644
    Abstract: Antitumor acting platinum(II or IV) complexes of the general formula ##STR1## where B represents a phenyl-C.sub.1 -C.sub.4 -alkyl radical which is optionally substituted in the phenyl nucleus by the radical R.sub.1 and R.sub.1 is hydrogen, halogen, trihalogen methyl, C.sub.1 -C.sub.6 -alkyl, hydroxy, C.sub.1 -C.sub.6 -alkoxy or C.sub.2 -C.sub.6 -alkanoyloxy or where B together with the structural part H.sub.2 N--CR.sub.2 <forms a tetrahydroisoquinoline radical, if B contains benzyl and R.sub.2 hydrogen and the benzyl radical in the 2-position contains the CH.sub.2 -radical or where B together with the structural part --CR.sub.2 < represents a tetrahydronaphthyl radical in which one CH.sub.2 group is optionally replaced by oxygen, or where B together with the structural part --CR.sub.2 < represents a decahydronaphthyl radical or an indanyl radical; R.sub.2 represents hydrogen, C.sub.1 -C.sub.6 -alkyl, phenyl or phenyl-C.sub.1 -C.sub.4 -alkyl, it also being possible for the phenyl ring of this group R.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: March 16, 1993
    Assignee: Asta Pharma AG
    Inventors: Henri Brunner, Peter Hankofer, Friedrich Maiterth, Jurgen Engel, Wolfgang Schumacher, Peter Hilgard, Rainer Voegeli
  • Patent number: 5164194
    Abstract: A medicament for nasal use or for use in the eye which contains as active ingredient azelastine or a physiologically acceptable salt.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: November 17, 1992
    Assignee: Asta Pharma AG
    Inventor: Helmut Hettche
  • Patent number: 5110814
    Abstract: The use of azelastine or its therapeutically acceptable salts and the preparation of a pharmaceutical composition for the treatment of inflammatory disorders and psoriasis disorders.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: May 5, 1992
    Assignee: Asta Pharma AG
    Inventors: Jurgen Engel, Michael Molliere, Istvan Szelenyi
  • Patent number: 5086050
    Abstract: Salts of azelastine with acetic acid, gluconic acid, lactic acid or malic acid.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: February 4, 1992
    Assignee: Asta Pharma AG
    Inventors: Helmut Hettche, Reinhard Muckenschnabel, Gerhard Scheffler, Ilona Fleischhauer, Wolfgang Morick
  • Patent number: 4959215
    Abstract: An ifosfamide-mesna lyophilizate consists substantially of ifosfamide, 0.1-1.0 parts by weight of mesna and 0.1 to 17 parts by weight of hexitol. The product is obtained by freeze drying an aqueous or aqueous-ethanolic solution of ifosfamide and mesna.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: September 25, 1990
    Assignee: Asta Pharma AG
    Inventors: Dieter Sauerbier, Otto Isaac, Wolfgang P. Brade
  • Patent number: 4946836
    Abstract: Compounds of formula ##STR1## wherein the radicals R.sub.1 and R.sub.2 are the same or different and represent hydrogen, halogen atoms, a trifluoromethyl group, a cyano, a nitro group, an amino group, a mono-C.sub.1 -C.sub.6 -alkylamino group, a di-C.sub.1 -C.sub.6 -alkylamino group, an amino group that is substituted by a phenyl C.sub.1 -C.sub.4 -alkyl radical, a C.sub.2 -C.sub.6 -alkanoyl-amino group, a C.sub.1 -C.sub.6 -alkoxycarbonyl amino group, a C.sub.1 -C.sub.6 -alkyl group optionally substituted by a phenyl radical, a hydroxy group, a C.sub.1 -C.sub.6 -alkoxy group, a C.sub.2 -C.sub.6 -alkanoyloxy group, a phenoxy group or represent a carbamoyl group optionally substituted by one or two C.sub.1 -C.sub.6 -alkyl groups and the radical A is an acyl group which is derived from an amino acid as well as processes for their preparation.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: August 7, 1990
    Assignee: Asta Pharma AG
    Inventors: Jurgen Engel, Axel Kleemann, Bernd Nickel, Istvan Szelenyi
  • Patent number: 4843069
    Abstract: A compound of the general formula I(BH.sub.n).sub.m [RuX.sub.3+nm-q-r.sup.(OH).sub.r (BH.sub.p).sub.3-nm+q ].sub.1+p+q IwhereinB denotes a mononuclear or polynuclear basic heterocyclic radical containing one or more nitrogen atoms,X denotes chlorine or bromine,m denotes 1 or 2,n denotes 1 or 2, the sum of n and m being not greater than 3,p denotes 0 or 1, but not 1 if n is 1,q denotes 0 or 1, but not 1 if p is 1 andr denotes 0 or 1,show an antitumoral activity and are therefore suitable as a chemotherapeutic for the treatment of cancers.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: June 27, 1989
    Assignee: Asta Pharma AG
    Inventors: Heimo Keller, Bernhard Keppler
  • Patent number: 4839370
    Abstract: Novel 3-aryl-3-cycloalkyl-piperidine-2,6-dione derivatives of the general formula I: ##STR1## in which A is a 4-aminophenyl radical or a pyridyl-(4)-radical and R.sub.1 is a saturated or unsaturated C.sub.3 -C.sub.10 -cycloalkyl radical or a C.sub.3 -C.sub.12 -alkenyl radical as well as physiologically acceptable salts thereof. The compounds are useful as inhibitors of estrogen biosynthesis. The compounds are made by a process which includes the step of heating a compound of the formula II ##STR2## wherein A and R.sub.1 have the meanings given above, and in addition A may also be a phenyl radical or a 4-nitrophenyl radical, X and Y are the same or different and repesent CN or COOC.sub.1 -C.sub.6 -alkyl and X or Y may also be COOH or a carboxylic acid ester group of the formula COOC.sub.1 -C.sub.6 -alkyl group, in a high boiling solvent at a temperature between 50.degree. and 200.degree. C. in particular between 80.degree. and 100.degree. C.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: June 13, 1989
    Assignee: Asta-Pharma AG
    Inventors: Rolf W. Hartmann, Christine Batzl