Company Filing History:
9 out of 1,055 
4 out of 1,192 
1 out of 1,528 Years Active: 1976-1990
Title: John A. Cengel: Innovator in Dispersants and Fuel Compositions
Introduction
John A. Cengel, located in Wheaton, IL, is a notable inventor renowned for his contributions to chemical engineering and formulations. With a total of 14 patents to his name, he has made significant advancements in the field of dispersants and synthetic fuel compositions.
Latest Patents
Cengel's latest innovations include two key patents:
1. **Passivation of Polyamine Dispersants Toward Fluorohydrocarbon** - This patent addresses the modification of dispersants containing basic amine groups, enhancing their compatibility with fluorohydrocarbon compositions through reaction with a dicarboxylic acid or anhydride.
2. **Synthetic Fuel Composition** - In this patent, he presents a lubricant and fuel composition that includes di-n-hexyl 1,3-cyclohexanedicarboxylate, aiming to improve the performance and efficiency of fuels.
Career Highlights
Throughout his career, John A. Cengel has made notable contributions while working for influential companies such as Standard Oil Company (Indiana) and The Standard Oil Company. His work has had lasting impacts on the chemical formulations and fuel industries.
Collaborations
During his journey, Cengel has collaborated with esteemed colleagues including Imre Puskas and Peter G. Pappas. These collaborations have undoubtedly enriched his research and innovation process.
Conclusion
John A. Cengel exemplifies the spirit of innovation in his field, with a substantial record of patents that contribute to advancements in dispersant technologies and fuel compositions. His work continues to inspire future generations of inventors and researchers in the chemical engineering domain.