Shell Oil Comapny

Shell Internationale Research Maatschappij, B.v.

Godfried Johannes Aarts

Cornelis Hyacinthus Maria Van Der Hulst

Eglantine Armelle Christiane Colette Marie Albe

José Luís Moniz Jardim

Edward Julius Creyghton

Eduard P Kieffer

Ralf Gunnar Meister

Eduard Philip Kieffer

The present invention relates to a method for reducing the cloud point of a base oil with high saturates/paraffinic content to below 0&#xb0; C., wherein the method comprises subjecting said base oils to a cloud point reduction step comprising adding said base oil to a solvent mixture, wherein the solvent mixture comprises a paraffin naphtha fraction and a co-solvent to obtain a solvent treatment mixture; and subjecting the solvent treatment mixture to a solvent de-waxing step.

Haze-free base oils with high paraffinic content

The present invention relates to a method for reducing the cloud point of a Fischer-Tropsch derived fraction to below 0&#xb0; C., wherein the method comprises subjecting the Fischer-Tropsch derived fraction to a cloud point reduction step comprising mixing the Fischer-Tropsch derived fraction, which comprises more than 80 wt. % of paraffins and 90 wt. % of saturates, with a solvent mixture (), wherein the solvent mixture () comprises a paraffinic naphtha fraction () and a co-solvent (); and subjecting the solvent treatment mixture () to a solvent de-waxing step ().

Fischer-tropsch feedstock derived haze-free base oil fractions

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Amsterdam, Netherlands

Godfried Johannes Aarts