Damrau; Hans-Robert-Hellmuth

Patent Applications and Registrations

Patent applications and USPTO patent grants for Damrau; Hans-Robert-Hellmuth.The latest application filed is for "preparation of partially hydrogenated rac-ansa-metallocene complexes".

Company Profile

0.7.3

Damrau; Hans-Robert-Hellmuth - Constance DE
Damrau; Hans-Robert-Hellmuth - Konstanz DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Preparation of partially hydrogenated rac-ansa-metallocene complexes Grant 7,619,106 - Damrau , et al. November 17, 2	2009-11-17
Preparation of Partially Hydrogenated Rac-Ansa-Metallocene Complexes App 20080200708 - Damrau; Hans-Robert-Hellmuth ; et al.	2008-08-21
Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands Grant 7,358,381 - Damrau , et al. April 15, 2	2008-04-15
Racemoselective preparation of isolable ansa-metallocene biphenoxide complexes Grant 7,193,099 - Damrau , et al. March 20, 2	2007-03-20
Metallocene monohalogenides Grant 7,053,160 - Bingel , et al. May 30, 2	2006-05-30
Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands App 20060111527 - Damrau; Hans-Robert-Hellmuth ; et al.	2006-05-25
Racemoselective preparation of isolable ansa-metallocene biphenoxide complexes App 20060052587 - Damrau; Hans-Robert-Hellmuth ; et al.	2006-03-09
Method for the purification of metallocenes Grant 6,900,343 - Bingel , et al. May 31, 2	2005-05-31
Method for producing monoaryloxy-ansa-metallocenes Grant 6,620,953 - Bingel , et al. September 16, 2	2003-09-16
Preparation of bridged metallocene complexes Grant 5,831,106 - Langhauser , et al. November 3, 1	1998-11-03

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