Patents Examined by E. Beinhardt
  • Patent number: 5175162
    Abstract: Thiophene compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, nitro, amino, halogen or C.sub.1-4 alkyl; R.sup.2 is hydrogen, nitro, amino, halogen, C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, acyl, C.sub.2-5 alkoxycarbonyl, C.sub.1-4 alkoxy-C.sub.1-4 alkyl, aryloxy-C.sub.1-4 alkyl, acyloxy-C.sub.1-4 alkyl, hydroxy-C.sub.1-4 alkyl, acyloxy-C.sub.2-5 alkanoyl, C.sub.1-4 alkoxy-C.sub.2-5 alkanoyl, hydroxy-C.sub.2-5 alkanoyl, aryloxy-C.sub.2-5 alkanoyl or C.sub.2-5 haloalkanoyl; R.sup.3 is hydrogen, C.sub.1-8 alkyl, hydroxy-C.sub.1-4 alkyl, C.sub.2-5 alkanoyloxy-C.sub.1-4 alkyl, aryl, aryl-C.sub.1-4 alkyl, heteroaryl, heteroaryl-C.sub.1-4 alkyl or aryl, aryl-C.sub.1-4 alkyl, heteroaryl or heteroaryl-C.sub.1-4 alkyl substituted by at least one substituent selected from the group consisting of halogen, hydroxy, amino, nitro, cyano, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.2-5 alkanoylamino, C.sub.1-4 haloalkyl, acyloxy, C.sub.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: December 29, 1992
    Assignee: Yoshitiomi Pharmaceutical Industries Ltd.
    Inventors: Tohru Nakao, Yasuto Morimoto, Shuzo Takehara, Hiroshi Tanaka
  • Patent number: 5122524
    Abstract: New heterocyclic compounds of formula I ##STR1## in which Het means one of following groups; ##STR2## wherein R.sub.11, R.sub.13 and R.sub.14 mean independently hydrogen, hydroxymethyl or lower alkyl group, Z means S, O or NH; A means valency bond, --CH.dbd.CH--, or --CH.sub.2 --CH.sub.2 -- group; R.sub.1 and R.sub.2 independently mean nitro, cyano, halogen, amino, carboxamido, aryl, aroyl, pyridyl, alkoxycarbonyl, acyl or one of following groups; ##STR3## wherein R.sub.6 means hydrogen or lower alkyl group, R.sub.8 means lower alkyl, R.sub.7 means cyano or COOR.sub.10, wherein R.sub.10 means hydrogen or lower alkyl or R.sub.1 and R.sub.2 together form a substituted or unsubstituted 5 or 6 membered ring which may contain 1 or 2 heteroatom N; R.sub.3, R.sub.4, and R.sub.5 mean independently hydrogen, hydroxy or lower alkyl group; Y means N or CH. The compounds may be used in the treatment of congestive heart failure.
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: June 16, 1992
    Assignee: Orion-yhtyma Oy
    Inventors: Heimo O. Haikala, Erkki J. Honkanen, Kari K. Lonnberg, Pentti T. Nore, Jarmo J. Pystynen, Anne M. Luiro, Aino K. Pippuri
  • Patent number: 5112834
    Abstract: Compounds of formula I, ##STR1## wherein the substituents and symbols having the meanings stated in the description are new compounds having interesting pharmacological properties. They have a protective effect on the stomach and intestine in warm-blooded animals.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: May 12, 1992
    Assignee: BYK Gulden Lomberg Chemische Fabrik GmbH
    Inventor: Jorg Senn-Bilfinger
  • Patent number: 5110821
    Abstract: Compounds of the formula ##STR1## wherein: Y is an alkylene bridge of 3-9 carbon atoms;R' is lower-alkyl or hydroxy-lower-alkyl or 1-5 carbon atoms;R.sub.1 and R.sub.2 are hydrogen, halogen, lower-alkyl, lower-alkoxy, nitro, lower-alkoxycarbonyl or trifluoromethyl; andR.sub.8 is hydrogen or lower-alkyl of 1-5 carbon atoms, with the proviso that when R.sub.8 is hydrogen R' is hydroxy-lower-alkyl,are useful as antiviral agents, particularly against picornaviruses, including numerous strains of rhinovirus.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: May 5, 1992
    Assignee: Sterling Drug Inc.
    Inventor: Guy D. Diana
  • Patent number: 5061706
    Abstract: Heterocyclic dihydroxyquinoxaline compounds having the formula ##STR1## wherein R.sup.1 is hydroxy, alkoxy, aryloxy, aralkyloxy, cycloalkylalkoxy, cycloalkoxy, or acyloxy; andR.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently are hydrogen, NO.sub.2, halogen CN, SO.sub.2 NR'R', SO.sub.2 R', CF.sub.3, or OR', wherein R' is hydrogen or C.sub.1-4 -alkyl;The invention also relates to a method of preparing the compounds, pharmaceutical compositions thereof, and their use.The compounds are useful in the treatment of indications caused by hyperactivity of the excitatory neurotransmitters, particularly the quisqualate receptors, and especially as neuroleptics.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: October 29, 1991
    Assignee: Novo Nordisk A/S
    Inventors: Tage Honoree, Poul Jacobsen, Flemming E. Nielsen, Lars Nafrim
  • Patent number: 5028606
    Abstract: (1H-azol-1-ylmethyl)substituted quinoxaline derivatives, compositions containing the same, and methods of treating mammals suffering from disorders which are characterized by an increased proliferation and/or abnormal differentiation of epithelial tissues.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: July 2, 1991
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Marc G. Venet, Gerard C. Sanz, Alfons H. M. Raeymaekers, Eddy J. E. Freyne
  • Patent number: 4985428
    Abstract: Nootropically active isoxazoles which are certain specified derivatives of N-(5-isoxazolecarbonyl)-4 aminobutyric acid.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: January 15, 1991
    Assignee: Zambon Group S.p.A.
    Inventors: Angelo Carenzi, Dario Chiarino, Davide Della Bella, Mauro Napoletano, Alberto Sala
  • Patent number: 4855291
    Abstract: Quinolones of the formula I ##STR1## in which the dotted line between positions 2 and 3 of the quinolone ring represents an optional bond; R is hydrogen or lower alkyl; R.sub.1 is lower alkyl; and R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, are hydrogen, halo, lower alkyl, lower alkoxy, lower alkylthio, lower alkylsulphinyl, lower alkylsulphonyl, trifluoromethyl, cyano, fluorinated lower alkoxy, phenyl optionally substituted by one or two substituents selected from lower alkyl, lower alkoxy, lower alkylthio, halo and trifluoromethyl, the group --OAr or the group --S(O).sub.n Ar in which Ar is phenyl optionally substituted by one or two substituents selected from lower alkyl, lower alkoxy, lower alkylthio, halo and trifluoromethyl and n is 0, 1 or 2, or the group --NR.sub.5 R.sub.6 or the N-oxide thereof in which R.sub.5 and R.sub.
    Type: Grant
    Filed: June 25, 1987
    Date of Patent: August 8, 1989
    Assignee: The Boots Company plc
    Inventor: Roy V. Davies