Method of increasing the concentration of straight chain paraffi
Mineral oil dewaxing process with dehydration of feed and solven
Preparation of refrigeration oils
Process for regenerating aqueous urea solutions
Process for the separation of n-paraffins from hydrocarbon oils
Purification of aqueous urea solutions in a urea dewaxing proces
Urea adduction process for refrigeration oil manufacture
Urea dewaxing of low n-paraffin content oils
Urea dewaxing of naphthene oils