Inventor · disambiguated record

Xiaoyaong Zhang

Also filed as: ZHANG XIAOYAONG

2 granted patents·43 citations·filing 1997–1997

63Inventor score

Technology areasC07B

Files withTAKASAGO PERFUMERY CO LTD2

Top patents by PatentIndex Score

2 records

0176US5872273AChiral diphosphine compound intermediate for preparing the same transition metal complex having the same diphosphine compound as ligand and asymmetric hydrogenation catalystTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Feb 16, 1999·34 cites·7 claims
0247US5922918AMethod for making an optically active diphosphine ligandTAKASAGO PERFUMERY CO LTD·Filed 1997·Granted Jul 13, 1999·9 cites·1 claims

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