Daniel G Allais

Title: Daniel G. Allais: Inventor in Lubricating Base Oil Processes

Introduction

Daniel G. Allais is an inventor associated with Grand-Couronne, France, and Shell Oil Company. His patent work focuses on processes for preparing lubricating base oils, including polar base oils. His listed portfolio includes 2 patents.

Latest Patents

Allais’s listed patents describe methods that use hydrogen-containing plasma as part of the preparation of a hydrocarbonaceous product, followed by further processing to produce lubricating base oils.

“Process for the Preparation of Lubricating Base Oils” describes treating the hydrocarbonaceous product with hydrogen at elevated temperature and pressure in the presence of a catalyst. The product is first prepared by contacting hydrocarbons or their derivatives in liquid form with a system generated using hydrogen-containing plasma.

“Process for the Preparation of Polar Lubricating Base Oils” describes reacting a similarly plasma-prepared hydrocarbonaceous product with a polar compound containing at least one heteroatom. The process is directed toward producing a polar lubricating base oil.

Career Highlights

The available information connects Allais’s inventive work with Shell Oil Company and identifies Grand-Couronne, France, as his location. His listed patents address related stages of lubricating base oil preparation, from plasma-based treatment of hydrocarbons to the production of conventional and polar base oils.

Collaborations

Pierre Grandvallet and Pierre E. Dejaifve are identified as Allais’s coworkers. The supplied information does not specify their roles or particular contributions to the listed patents.

Conclusion

Daniel G. Allais’s listed patent work centers on plasma-assisted processes for preparing lubricating base oils, including polar formulations, and is associated with Shell Oil Company.