Inventor · disambiguated record
Helmut M. Sassenfeld
Also filed as: SASSENFELD HELMUT · SASSENFELD HELMUT M
7 granted patents·235 citations·filing 1983–2006
88Inventor score
Top patents by PatentIndex Score
7 records- 0191US7544784B2Increased recovery of active proteinsIMMUNEX CORP·Filed 2006·Granted Jun 9, 2009·14 cites·35 claims
- 0291US7083948B1Polypeptide purification reagents and methods for their useIMMUNEX CORP·Filed 2003·Granted Aug 1, 2006·38 cites·24 claims
- 0390US7157557B2Increased recovery of active proteinsIMMUNEX CORP·Filed 2002·Granted Jan 2, 2007·25 cites·49 claims
- 0488US4532207AProcess for the preparation of polypeptides utilizing a charged amino acid polymer and exopeptidaseSEARLE & CO·Filed 1983·Granted Jul 30, 1985·69 cites·22 claims
- 0574US4880911AFused polypeptides and methods for their detectionSEARLE & CO·Filed 1985·Granted Nov 14, 1989·39 cites·3 claims
- 0661US5128450ANonglycosylated human interleukin-3 analog proteinsURDAL DAVID L·Filed 1989·Granted Jul 7, 1992·27 cites·4 claims
- 0761US5055555APurification of G-CSFSASSENFELD HELMUT·Filed 1989·Granted Oct 8, 1991·23 cites·20 claims
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