Inventor · disambiguated record
Niranjan Lal Gupta
Also filed as: GUPTA NIRANJAN L · GUPTA NIRANJAN LAL
4 granted patents·3 citations·filing 1993–1997
61Inventor score
Files withLUPIN LAB LTD4
Top patents by PatentIndex Score
4 records- 0129US5750683AProcess for the stereospecific synthesis of keto-enol tautomeric mixture of p-nitrobenzyl (1R,6R,7R)-7-phenoxyactamido-3-oxo-cepham-4-(R/S)-carboxylate-1-oxide and p-nitrobenzyl (1R,6R,7R)-7-phenoxyacetamido-3-hydroxy-3-cephem-4-carboxylate-1-oxideLUPIN LAB LTD·Filed 1996·Granted May 12, 1998·1 cites·2 claims
- 0223US5824801AProcess for sterospecific synthesis of keto-enol tautomeric mixture of p nitrobenzyl (1R, 6R, 7R)-7-phenoxyacetamido-3-oxo-3-cepham-4-(R/S)-carboxylate-1-oxide and p-nitrobenzyl (1R, 6R, 7R)-7-phenoxyacteamido-3-hydroxy-3-cephem-4-carboxylate-1-oxideLUPIN LAB LTD·Filed 1997·Granted Oct 20, 1998·0 cites·12 claims
- 0323US5578721AProcess for preparation of 3-exomethylene cepham sulfoxide estersLUPIN LAB LTD·Filed 1994·Granted Nov 26, 1996·2 cites·15 claims
- 0422US5604222AMethod for the preparation of 2-chloro sulfinyl azetidinonesLUPIN LAB LTD·Filed 1993·Granted Feb 18, 1997·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →