Patents by Inventor Karoly Kanay

Karoly Kanay 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).

  • Interfuranylene prostacyclins
    Patent number: 4740523
    Abstract: The invention relates to novel interfuranylene-prostacyclin derivatives of the general formula (I) ##STR1## wherein R.sup.1 stands for hydrogen or a straight or branched chain C.sub.1-6 alkyl group, an inorganic cation or for the protonated form of a base containing an amino group;R.sup.2 stands for hydrogen, a C.sub.1-4 alkanoyl or benzoyl group, a monosubstituted benzoyl, trialkylsilyl or an alkoxyalkyl group;R.sup.3 stands for a straight or branched chain C.sub.1-6 alkyl group, a phenyl group optionally substituted by halogen or by a C.sub.1-4 alkyl group, a heteroaryl group optionally substituted by halogen or by a C.sub.1-4 alkyl group or a cycloalkyl group;A stands for an ethylene or for a cis- or trans-vinylene or --C.tbd.C-- group;B means a chemical bond, a --CHR.sup.5 --, --CHR.sup.5 --CH.sub.2 -- or a --CH.sub.2 --O-- group: andR.sup.5 means hydrogen or a C.sub.1-4 alkyl group.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: April 26, 1988
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyar Rt
    Inventors: Geza Galambos, Jozsef Ivanics, Gyorgy Dorman, Karoly Kanay, Istvan Tomoskozy, Gabor Kovacs, Istvan Stadler, Peter Kormoczi, Pal Hadhazy, Sandor Virag, Miklos Kiss
  • Selective biologically active 7-oxo-prostacyclin derivatives and pharmaceutical compositions containing same
    Patent number: 4588713
    Abstract: Compounds of the formula ##STR1## are disclosed wherein R.sup.1 stands for hydrogen, C.sub.1-4 straight or branched alkyl or pharmacologically acceptable cation,R.sup.2 stands for hydrogen, C.sub.1-4 alkanoyl, benzoyl, or benzoyl substituted by C.sub.1-4 alkyl or halogen, and R.sup.2 can further represent tetrahydropyranyl, trialkylsilyl or alkoxyalkyl,A stands for ethylene, cis or trans-vinylene or --C.dbd.C--,n may represent 2, 3 or 4. The compounds are highly effective in the inhibition of thrombocyte aggregation while at the same time exert only a very small hypotensive effect.
    Type: Grant
    Filed: January 14, 1985
    Date of Patent: May 13, 1986
    Assignee: Chinoin Gyogyszer Vegyeszeti Termekek Gyara Rt.
    Inventors: Peter Gyory, Geza Galambos, Karoly Kanay, Jozsef Ivanics, Gyorgy Dorman, Gabor Kovacs, Istvan Stadler, Sandor Virag, Istvan Tomoskozi, Peter Kormoczky, Marianna Kovacs