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Ursula Pentling
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Duisburg, DE
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last 30 patents
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Patent Grant
Process for the preparation of polymers having recurring agents
Patent number
6,054,553
Issue date
Apr 25, 2000
Bayer AG
Torsten Groth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the manufacture of aromatic amines by gas-phase hydroge...
Patent number
5,962,365
Issue date
Oct 5, 1999
Bayer Aktiengesellschaft
Reinhard Langer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 4-aminodiphenylamine
Patent number
5,925,791
Issue date
Jul 20, 1999
Bayer AG
Hans-Josef Buysch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of aromatic amines
Patent number
5,877,350
Issue date
Mar 2, 1999
Bayer Aktiengesellschaft
Reinhard Langer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing aromatic amines
Patent number
5,808,157
Issue date
Sep 15, 1998
Bayer Aktiengesellschaft
Reinhard Langer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of aromatic amines by gas-phase hydroge...
Patent number
5,679,858
Issue date
Oct 21, 1997
Bayer Aktiengesellschaft
Reinhard Langer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrated niobium oxide and hydrated tantalum oxide catalysts, their...
Patent number
5,593,936
Issue date
Jan 14, 1997
Bayer Aktiengesellschaft
Volker Glock
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for separating mixtures of m- and p-dichlorobenzene
Patent number
5,386,067
Issue date
Jan 31, 1995
Bayer Aktiengesellschaft
Ursula Pentling
C07 - ORGANIC CHEMISTRY