Geoffrey A Hill

Title: The Innovations of Geoffrey A Hill

Introduction

Geoffrey A Hill is a notable inventor based in Hull, GB. He has made significant contributions to the field of lubricating oil additives, particularly through his innovative patent.

Latest Patents

Geoffrey A Hill holds a patent for "Dispersants having antioxidant activity and lubricating compositions." This invention focuses on lubricating oil additives that possess both dispersant and antioxidant properties. The patent describes a process where a dispersant with free >N-H groups, such as a substituted succinimide, is reacted with an aldehyde and a compound that has antioxidant activity. This reaction results in the chemical bonding of the antioxidant to the dispersant, enhancing the performance of two-stroke petrol engine lubricating oil compositions. The representative antioxidants include mononuclear and polynuclear substituted phenols, such as 2,6-di-tert-butyl phenol, and secondary aromatic amines. The typical reaction conditions for this process are maintained at a temperature range of 100°C to 175°C and atmospheric pressure.

Career Highlights

Geoffrey A Hill is associated with Chevron Research Company, where he has been instrumental in developing advanced lubricating oil technologies. His work has contributed to improving the efficiency and performance of engine lubricants.

Collaborations

One of his notable collaborators is John Crawford, with whom he has worked on various projects related to lubricating oil additives.

Conclusion

Geoffrey A Hill's innovative work in the field of lubricating oil additives showcases his expertise and commitment to enhancing engine performance. His patent reflects a significant advancement in the industry, demonstrating the importance of research and development in creating effective solutions.