About

About Sonneborn - HF Sinclair Sonneborn, LLC, a HollyFrontier Company, is one of the world’s leading refiners of high purity hydrocarbons including white oils, petrolatums, microcrystalline waxes and sensory enhanced alkanes. These products meet strict international personal care, pharmacopoeia and food-grade standards. This specialization has propelled Sonneborn to the forefront of original research and additional product offerings in fields such as: medical salves and ointments, plastics oils, and compressor lubricants. International in scope, Sonneborn maintains refineries in the United States and the Netherlands, and research and custom-blending facilities in both countries.