Assignee
MEFFERT HELMUT
DE·2 granted patents·0 citations·filing 2007–2008
Top patents by PatentIndex Score
2 records- 0144US8420737B2Method for the production of co-extrudates composed of polystyrene and of a crosslinked polyvinylpyrrolidone with reduced residual styrene monomer contentMEFFERT HELMUT·Filed 2007·Granted Apr 16, 2013·0 cites·9 claims
- 0244US8394279B2Method for regenerating a filter aidMEFFERT HELMUT·Filed 2008·Granted Mar 12, 2013·0 cites·17 claims
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