Process for the separation of n - paraffins

Claim 1

METHOD OF SEPARATING PARAFFINS FROM HYDROCARBON OILS CONTAINING THER, BY FROMING AND SEPARATING ADDUCTS OF THE PARAFFINS WITH AN ADDITIVE COMPOUND SELECTED FROM THE GROUP COMPRISING UREA DN THIOUREA, WHICH COMPRISES PASSING THE HYDROCARBON OIL CHARGE SUCCESSIVELY THROUGH A PLURALITY OF ADDUCT FORMATION ZONES; DISTRIBUTING SAID ADDITIVE COMPOUND TO EACH OF SAID ADDUCT FORMATION ZONES FROM A SUPPLY AT LEAST EQUIVALENT TO THE THEORETICAL AMOUNT REQUIRED TO FORM ADDUCTS WITH THE PARAFFINS TO BE SEPARATED; PASSING THE RESULTING MIXTURE CONTAINING HYDROCARBON AND ADDUCT FROM EACH OF SAID ADDUCT FORMATION ZONES TO A CORRESPONDING ONE OF A PLURALITY OF SUCCESSIVE FILTRATION ZONES IN A COMMON UNITARY SEPARATING DEVICE; CONTINUOUSLY AND CUMULATIVELY TRAVERSING THE SEPARATED SOLIDS INCLUDING ADDUCTS ON A SINGLE FILTER MEDIUM SUCCESSIVELY THROUGH SAID FILTRATION ZONES; CONDUCTING THE INDIVIDUAL HYDROCARBON FILTRATES OF EACH OF SAID FILTRATION ZONES FORWARDLY TO SAI SUCCESSIVE FILTRATION ZONES IN A DIRECTION COUNTER TO THAT IN WHICH SAID SEPARATED SOLIDS INCLUDING THE ADDUCTS ARE TRAVERSED THROUGH SAID SUCCESSIVE FILTRATION ZONES; WITHDRAWING THE FINAL FILTRATE AS HYDROCARBON PRODUCT WITH THE DESIRED POUR POINT; AND DECOMPOSING THE ACCUMULATING ADDUCT TO PROVIDE THE ADDITIVE SUPPLY AND A PARAFFIN PRODUCT.