Patents by Inventor Zoltan Gneth

Zoltan Gneth 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: 4289894
    Abstract: Compounds of the formula: ##STR1## are disclosed wherein R is C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 haloalkyl, C.sub.3 to C.sub.8 cycloalkyl, phenyl, halophenyl, naphthyl, benzyl, indanyl, phenacyl, p-nitrophenacyl, xylyl or acetoxymethyl; R.sup.1 is phenyl, benzyl or phenyl or benzyl substituted by halo, nitro, dialkylamino, alkoxy or trifluoromethyl, lower alkyl or allyl; and X is halo. The compounds are intermediates in the manufacture of penicillins.
    Type: Grant
    Filed: March 6, 1979
    Date of Patent: September 15, 1981
    Assignee: Chinoin Gyogyszer es Vegylszeti Termekek Gyara R.T.
    Inventors: Magda Huhn, Eva Somfai, Gabor Szabo, Gabor Resovszki, Zoltan Gneth