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Roland Zenk
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Bayreuth, DE
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last 30 patents
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Patent Grant
Organometallic fluorenyl compounds and use thereof in an alpha-olef...
Patent number
5,571,880
Issue date
Nov 5, 1996
Phillips Petroleum Company
Helmut G. Alt
C07 - ORGANIC CHEMISTRY
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Patent Grant
Organometallic fluorenyl compounds, preparation, and use
Patent number
5,451,649
Issue date
Sep 19, 1995
Phillips Petroleum Company
Roland Zenk
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for preparing cyclopentadienyl-type ligands and metallocene...
Patent number
5,420,320
Issue date
May 30, 1995
Phillips Petroleum Company
Roland Zenk
C07 - ORGANIC CHEMISTRY