Inventor · disambiguated record
Ivan Ernest
Also filed as: ERNEST IVAN
12 granted patents·146 citations·filing 1976–1989
91Inventor score
Files withCIBA GEIGY CORP12
Top patents by PatentIndex Score
12 records- 0191US4614614AProcess for the manufacture of optically active azetidinonesCIBA GEIGY CORP·Filed 1984·Granted Sep 30, 1986·50 cites·19 claims
- 0289US4331676AThia-aza compounds with a β-lactam ringCIBA GEIGY CORP·Filed 1978·Granted May 25, 1982·14 cites·38 claims
- 0386US4500457AProcess for preparing thia-aza compounds with a beta-lactam ringCIBA GEIGY CORP·Filed 1982·Granted Feb 19, 1985·18 cites·5 claims
- 0484US4070477A2-Penem compoundsCIBA GEIGY CORP·Filed 1976·Granted Jan 24, 1978·15 cites·12 claims
- 0577US4692442A6-substituted penem compoundsCIBA GEIGY CORP·Filed 1980·Granted Sep 8, 1987·14 cites·16 claims
- 0672US4524028AMonocyclic intermediates for thia-aza compounds with a β-lactam ringCIBA GEIGY CORP·Filed 1982·Granted Jun 18, 1985·5 cites·2 claims
- 0768US4952690A6-substituted thia-aza compoundsCIBA GEIGY CORP·Filed 1989·Granted Aug 28, 1990·12 cites·12 claims
- 0858US4518533AAzetidinone-4-disulfides as intermediates for thia-aza compounds with a beta-lactam ringCIBA GEIGY CORP·Filed 1982·Granted May 21, 1985·2 cites·2 claims
- 0956US4515717AThia-aza compounds with a β-lactam ringCIBA GEIGY CORP·Filed 1982·Granted May 7, 1985·2 cites·2 claims
- 1053US4364865ABicyclic unsaturated thia-aza compounds and 4-acylthio azetidinone intermediatesCIBA GEIGY CORP·Filed 1980·Granted Dec 21, 1982·3 cites·12 claims
- 1145US4447360AIntermediates for thia-aza compounds with a β-lactam ringCIBA GEIGY CORP·Filed 1980·Granted May 8, 1984·1 cites·3 claims
- 1244US4649215AAliphatic thioethersCIBA GEIGY CORP·Filed 1985·Granted Mar 10, 1987·10 cites·36 claims
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