Rolf Seubert

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Frankenthal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of phthalic anhydride from o-xylene
- Patent number 5,225,574
- Issue date Jul 6, 1993
- BASF Aktiengesellschaft
- Heinrich Aichinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Obtaining very pure maleic anhydride from crude maleic anhydride
- Patent number 4,961,827
- Issue date Oct 9, 1990
- BASF Aktiengesellschaft
- Dieter Zimmerling
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Obtaining maleic anhydride not prone to discolor
- Patent number 4,921,977
- Issue date May 1, 1990
- BASF Aktiengesellschaft
- Gerhard Michl
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method and device for production of a homogeneous mixture of a vapo...
- Publication number 20030013931
- Publication date Jan 16, 2003
- Ulrich Block
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL