Patricia LeMay

Title: Patricia LeMay: A Pioneer in Lubricating Oil Innovations

Introduction

Patricia LeMay is an innovative inventor based in Vallejo, California, who has made significant contributions to the field of lubricating oils. With a total of six patents to her name, LeMay's work focuses primarily on creating efficient and sustainable products that enhance the performance of machinery and vehicles.

Latest Patents

Among her most recent inventions are two notable patents that showcase her expertise in the development of advanced lubricants. The first is an **ashless hydraulic fluid or paper machine oil**. This innovative lubricating oil comprises a base oil characterized by a viscosity index greater than 150, created from a blend of petroleum-based wax and Fischer-Tropsch derived wax. This formulation is designed to provide optimal performance while minimizing environmental impact.

The second patent is for a **lubricating oil with high oxidation stability**. This sophisticated oil is made from Group III base oil which has a sequential number of carbon atoms, boasting a viscosity index between 155 and 300 and a remarkable RPVOT (Rotary Pressure Vessel Oxidation Test) time greater than 680 minutes. The formulation includes a high viscosity index and incorporates cycloparaffinic functionalities that enhance its performance, all while excluding any VI improvers. Furthermore, LeMay's patented process emphasizes hydroisomerization dewaxing, focused on improving the overall oxidation stability of lubricating oils.

Career Highlights

Patricia LeMay's career is highlighted by her tenure at Chevron USA Inc., where she leverages her expertise in petroleum engineering and chemistry. Her work contributes to the advancement of lubrication technology, and her inventions reflect her commitment to quality and innovation in the industry.

Collaborations

Throughout her career, LeMay has collaborated with esteemed colleagues, including William Loh and John Michael Rosenbaum. These partnerships have fostered an environment of creativity and groundbreaking research that enhances the development and efficacy of lubricating oils.

Conclusion

Patricia LeMay stands as a prominent figure in the innovation of lubricating technologies. Her six patents, particularly in ashless and high oxidation stability lubricating oils, underline her dedication to improving industrial applications and sustainability. As an inventor at Chevron USA Inc., she continues to pave the way for future innovations in the field of lubricants, influencing both industry practices and environmental standards.