Patents Assigned to Pliva, Pharmaceutical and Chemical Works
  • 11-Aza-10-deoxo-10-dihydroerythromycin A and derivatives thereof as well as a process for their preparation
    Patent number: 4328334
    Abstract: 11-aza-10-deoxo-10-dihydroerythromycin A and derivatives thereof, and process for preparation thereof.
    Type: Grant
    Filed: March 28, 1980
    Date of Patent: May 4, 1982
    Assignee: PLIVA Pharmaceutical and Chemical Works
    Inventors: Gabrijela Kobrehel, Gordana Radobolja, Zrinka Tamburasev, Slobodan Djokic
  • 4-Dedimethylamino-4-arylsulfonamido-5a,6-anhydrotetracyclines
    Patent number: 4160783
    Abstract: Novel 4-dedimethylamino-4-arylsulfonamido-5a,6-anhydrotetracyclines of the general formula I ##STR1## wherein R stands for C.sub.1 -C.sub.3 -alkyl, halogen or --NHCOR.sup.1, R.sup.1 being C.sub.1 -C.sub.3 -alkyl.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: July 10, 1979
    Assignee: PLIVA Pharmaceutical and Chemical Works
    Inventors: Marica Cakara, Slobodan Djokic, Zrinka Tamburasev
  • 4,5,6,7-Tetrahydrobenzimidazoles
    Patent number: 3987054
    Abstract: Corrosion inhibitors and preservatives of the following formula ##SPC1##WhereinR.sub.1 is hydrogen;R.sub.2 is selected from the group which consists of hydrogen, the diacetoxypropionic acid methyl ester and the diacetoxypropionic acid dialkylaminoethylamide with 1 to 4 carbon atoms in the alkyl group;R.sub.3 is hydrogen, unbranches or branched alkyl with 1 to 10 carbon atoms, carboxyl or alkoxycarbonyl wherein the alkoxy contains from 1 to 4 carbon atoms; andR.sub.4 is hydrogen, unbranched or branched alkyl with 1 to 4 carbon atoms; or acid addition or quaternary ammonium salts thereof.
    Type: Grant
    Filed: September 23, 1970
    Date of Patent: October 19, 1976
    Assignee: Pliva Pharmaceutical and Chemical Works
    Inventor: Ivan Butula
  • N-(Benzenesulfonyl)-erythromycylamine derivatives
    Patent number: 3983103
    Abstract: The new antibiotic compounds N-(4-R-benzenesulfonyl)-erythromycylamine, wherein R is a lower alkyl group having 1-5 carbon atoms, an acylamino group wherein the acyl has 2-4 carbon atoms, or a halo group.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: September 28, 1976
    Assignee: PLIVA Pharmaceutical and Chemical Works
    Inventors: Gabrijela Kobrehel, Zrinka Tamburasev, Slobodan Djokic
  • Manufacture of N-(benzenesulfonyl)-5-O-desosaminyl-erythromycilamine derivatives
    Patent number: 3939144
    Abstract: N-(4-R.sup.2 -benzenesulfonyl)-5-O-desosaminyl-erythromycilamine, wherein R.sup.2 is a C.sub.1 -C.sub.5 alkyl radical, halogen or NH.sub.2. The compounds possess antibacterial activity.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: February 17, 1976
    Assignee: Pliva, Pharmaceutical and Chemical Works
    Inventors: Gorjana Radobolja, Zrinka Tamburasev, Slobodan Djokic