Gunnar Demme

Title: Innovations by Gunnar Demme in Lubricant Technology

Introduction

Gunnar Demme, an innovative inventor based in Mahopac, NY, has made significant contributions to the field of lubricant technology. His work has focused on the development of advanced antioxidant compositions that enhance the performance of motor combustion engines.

Latest Patents

Demme holds a patent for "Liquid Phenolic Sulphur-Containing Antioxidants." This invention pertains to liquid sulphur-containing antioxidants and the compositions that incorporate them. The novel lubricant compositions are created from a specific group of 5-tert-butyl-4-hydroxy-3-methyl (or tert-butyl) phenyl substituted carboxylic acid esters, combined with thiodiethylene glycol and a mono-hydroxy alcohol containing more than four carbon atoms. These compositions exhibit remarkable resistance to oxidative degradation and effectively mitigate the adverse effects of deposits, such as black sludge, particularly in spark ignition internal combustion engines.

Career Highlights

Gunnar is associated with Ciba Specialty Chemicals Corporation, where he has leveraged his expertise in chemistry to innovate within the sector. His dedication to research and development has paved the way for improved engine lubricants that enhance engine efficiency and longevity.

Collaborations

During his tenure at Ciba Specialty Chemicals Corporation, Demme has collaborated with notable coworkers, including Hugo Camenzind and Paul Dubs. Their combined efforts reflect a commitment to advancing lubrication technologies, showcasing the power of teamwork in driving innovation.

Conclusion

Gunnar Demme's contributions to the field of lubrication technology, particularly through his patent on liquid phenolic sulphur-containing antioxidants, exemplify the impact of innovative thinking in improving motorized engines' performance. His work not only addresses current challenges in engine maintenance but also sets the stage for future advancements in the industry.