Helmut Meffert

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Bobenheim am Berg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of co-extrudates composed of polystyrene...
- Patent number 8,420,737
- Issue date Apr 16, 2013
- BASF SE
- Helmut Meffert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for regenerating a filter aid
- Patent number 8,394,279
- Issue date Mar 12, 2013
- BASF SE
- Helmut Meffert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for regenerating an auxiliary filtering agent
- Patent number 7,993,533
- Issue date Aug 9, 2011
- BASF SE
- Helmut Meffert
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REGENERATING A FILTER AID
- Publication number 20100176069
- Publication date Jul 15, 2010
- BASF SE
- Helmut Meffert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR REGENERATING AN AUXILIARY FILTERING AGENT
- Publication number 20090291164
- Publication date Nov 26, 2009
- BASF SE
- Helmut Meffert
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR THE PRODUCTION OF CO-EXTRUDATES COMPOSED OF POLYSTYRENE...
- Publication number 20090275691
- Publication date Nov 5, 2009
- BASF SE
- Helmut Meffert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...