G James Johnston

Title: G James Johnston: Innovator in Refrigeration Lubricants

Introduction

G James Johnston is a notable inventor based in Mullica Hill, NJ (US). He has made significant contributions to the field of refrigeration lubricants, particularly through his innovative patent.

Latest Patents

Johnston holds a patent for "Refrigeration oils comprising esters of hindered alcohols." This invention focuses on improved refrigeration lubricants that are useful in compression refrigeration units. The esters he developed exhibit an excellent balance of performance characteristics, notably in the combination of good miscibility, hydrolytic stability, and wear resistance. These lubricants maintain a viscosity within the range required for many commercial refrigeration units. The esters are derived from hindered dihydric or trihydric alcohols, such as trimethylolpentanediol, and a fatty acid, where at least 80 percent of the acyl groups are straight chain groups. Johnston's patent represents a significant advancement in the efficiency and reliability of refrigeration systems.

Career Highlights

G James Johnston is associated with Mobil Oil Corporation, where he has applied his expertise in developing innovative lubrication solutions. His work has contributed to the advancement of refrigeration technology, enhancing the performance of various refrigeration units.

Collaborations

Johnston has collaborated with notable coworkers, including Susan C Ardito and Henry H Ashjian, who have also contributed to advancements in the field of lubrication and refrigeration technologies.

Conclusion

G James Johnston's contributions to refrigeration lubricants through his innovative patent demonstrate his commitment to improving industrial efficiency. His work continues to influence the refrigeration industry positively.