Inventor · disambiguated record

Richard G. Osifchin

Also filed as: OSIFCHIN RICHARD G

3 granted patents·4 citations·filing 2001–2003

57Inventor score

Technology areasA61P

Files withMERCK & CO INC3

Top patents by PatentIndex Score

3 records

0161US6800647B25-chloro-3-(4-methanesulfonylphenyl)-6'-methyl-[2,3]bipyridinyl in pure crystalline form and process for synthesisMERCK & CO INC·Filed 2001·Granted Oct 5, 2004·3 cites·10 claims
0261US6521642B25-chloro-3-(4-methanesulfonylphenyl)-6′-methyl-[2,3′]bipyridinyl in pure crystalline form and process for synthesisMERCK & CO INC·Filed 2001·Granted Feb 18, 2003·1 cites·14 claims
0351US6673935B25-chloro-3-(4-methanesulfonylphenyl)-6′-methyl-[2,3′]bipyridinyl in pure crystalline form and process for synthesisMERCK & CO INC·Filed 2003·Granted Jan 6, 2004·0 cites·8 claims

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