Inventor · disambiguated record
Stephane Frein
Also filed as: FREIN STEPHANE
2 granted patents·1 pending application·2 citations·filing 2004–2008
33Inventor score
Top patents by PatentIndex Score
3 records- 0164US7586015B2Process for the preparation of 1,3,2-oxazaborolidine compoundsZACH SYSTEM·Filed 2007·Granted Sep 8, 2009·2 cites·24 claims
- 0240US2009131688A1Method for the synthesis of 4-benzofuran-carboxylic acidZACH SYSTEM·Filed 2008·Application pending·0 cites
- 0332US7365212B2Method for the in situ preparation of chiral compounds derived from oxazaborolidine-borane complexes which are used in asymmetric reduction reactionsZACH SYSTEM SPA·Filed 2004·Granted Apr 29, 2008·0 cites·25 claims
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