Inventor · disambiguated record
Ralph Versch
Also filed as: VERSCH RALPH
4 granted patents·12 citations·filing 2007–2007
67Inventor score
Top patents by PatentIndex Score
4 records- 0181US8197646B2Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and waterSCHMIDTKE HELMUT·Filed 2007·Granted Jun 12, 2012·5 cites·44 claims
- 0279US8293075B2Method for the continuous separation by distillation of mixtures that contain morphonline (MO), monoaminodiglycol (ADG), ammonia and water by means of distillationSCHMIDTKE HELMUT·Filed 2007·Granted Oct 23, 2012·5 cites·41 claims
- 0373US8246793B2Method for the continuous separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water by means of distillationSCHMIDTKE HELMUT·Filed 2007·Granted Aug 21, 2012·2 cites·44 claims
- 0446US7994350B2Process for continuously preparing N-ethyl-2-pyrrolidone (NEP)BASF SE·Filed 2007·Granted Aug 9, 2011·0 cites·18 claims
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