Patents by Inventor Sander Engelsma

Sander Engelsma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PRODUCTION OF SUSTAINABLE HIGH-QUALITY OILS OF WHITE MINERAL OIL PURITY THROUGH TREATMENT OF RE-REFINED BASE OILS
    Publication number: 20260258306
    Abstract: High-quality oil meeting EP/USP specifications for white mineral oil purity can be obtained through treatment of re-refined base oil as described herein, using sulfonation treatments and bleaching material. The resulting high purity oil is sustainable with a reduced carbon footprint relative to oils meeting white mineral oil purity standards prepared from traditional starting materials.
    Type: Application
    Filed: March 3, 2026
    Publication date: September 3, 2026
    Applicant: HollyFrontier LSP Brand Strategies LLC
    Inventors: Matthew Joyce, John Pudelski, Sander Engelsma, Rumeysa Caliskan
  • PRODUCTION OF SUSTAINABLE SULFONATES THROUGH TREATMENT OF RE-REFINED BASE OILS
    Publication number: 20260234102
    Abstract: Sulfonates, including metal sulfonates and over-based sulfonates, can be obtained through treatment of re-refined base oil using a sulfonation agent and an inorganic base. The resulting sulfonates are sustainable with a reduced carbon footprint.
    Type: Application
    Filed: February 10, 2026
    Publication date: August 13, 2026
    Applicant: HollyFrontier LSP Brand Strategies LLC
    Inventors: John Pudelski, Sander Engelsma, Rumeysa Caliskan, Arad Seyed Mehdi