Leonard A Matthews

Title: Innovations by Leonard A Matthews

Introduction

Leonard A Matthews is a notable inventor based in Gretna, LA (US). He has made significant contributions to the field of lubricants and detergents, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Matthews' latest patents include "High viscosity overbased sulfonate detergent" and "Viscosity drift control in overbased detergents." The first patent describes an overbased calcium sulfonate detergent characterized by forming a clear solution in lubricating oil, with a total base number (TBN) of about 400 or more and a viscosity of at least 180 mm/s at 100°C. This high viscosity allows for a reduction in expensive high viscosity oil components in marine cylinder oils while maintaining selected TBN and viscosity parameters. The second patent addresses viscosity drift control in overbased detergents during storage, particularly at elevated temperatures. It details the addition of a compound with an oleophilic group and secondary hydroxyl functionality to minimize viscosity drift, ensuring the stability of the detergent over time.

Career Highlights

Leonard A Matthews has built a successful career at Crompton GmbH, where he has applied his knowledge and skills to develop innovative solutions in the lubricant industry. His work has contributed to advancements in the formulation of marine cylinder oils and detergents, enhancing their performance and reliability.

Collaborations

Matthews has collaborated with notable colleagues such as Ronald J Muir and Theo I Eliades, further enriching his work and contributing to the success of their projects.

Conclusion

Leonard A Matthews is a distinguished inventor whose contributions to the field of lubricants and detergents have made a significant impact. His innovative patents reflect his commitment to advancing technology in this area.