Peter-Joachim Barenthien

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Duisburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Nanodisperse titanium dioxide, process for the production thereof a...
- Patent number 5,840,111
- Issue date Nov 24, 1998
- Bayer AG
- Gerhard Wiederhoft
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the production of mixed oxide powders for catalysts for...
- Patent number 5,723,404
- Issue date Mar 3, 1998
- Bayer Aktiengesellschaft
- Kai Butje
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL