Inventor · disambiguated record
Fengrui Lang
Also filed as: LANG FENGRUI
2 granted patents·1 pending application·2 citations·filing 2000–2017
34Inventor score
Technology areasC07D
Top patents by PatentIndex Score
3 records- 0160US6479672B1Diastereoselective preparation of Michael adductsMERCK & CO INC·Filed 2000·Granted Nov 12, 2002·2 cites·10 claims
- 0232US10358417B2Method for preparing efficiently synthetic sitafloxacin intermediate (7S)-5-azaspiro[2.4]heptane-7-yl tert-butyl carbamateCHEN STONE GUANGZHOU CO LTD·Filed 2017·Granted Jul 23, 2019·0 cites·10 claims
- 0328US2001047013A1Process for the preparation of arylaminesFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →