Daniel Halsell Ess

Title: Innovations and Contributions of Daniel Halsell Ess

Introduction

Daniel Halsell Ess is a prominent inventor based in Provo, Utah, known for his significant contributions to the field of catalyst design and polymerization. With a total of 11 patents to his name, he has made remarkable advancements in machine learning and statistical analysis for catalyst structure prediction and design.

Latest Patents

One of his latest patents focuses on machine learning and statistical analysis for catalyst structure prediction and design. This patent discloses a heteroatomic ligand-metal compound complex transition-state model developed for activity, purity, and selectivity in selective ethylene oligomerizations. It utilizes density functional theory calculations to determine the reactivity and product purity of these complexes. The findings reveal that a chromium chromacycle mechanism can account for multiple ground states and transition states, which are crucial for optimizing catalyst performance.

Another notable patent involves modulating co-monomer selectivity using non-covalent dispersion interactions in Group 4 olefin polymerization catalysts. This disclosure presents new methods for designing ethylene polymerization catalysts, particularly Group 4 metallocene catalysts like zirconocenes. The research demonstrates how stabilizing non-covalent dispersion interactions can enhance co-monomer incorporation into the polymer chain, leading to improved catalyst efficiency.

Career Highlights

Throughout his career, Daniel has worked with notable companies, including Chevron Phillips Chemical Company LP. His expertise in catalyst design and polymerization has positioned him as a leader in his field, contributing to advancements that have practical applications in the chemical industry.

Collaborations

Daniel has collaborated with esteemed colleagues such as Steven M. Bischof and Orson L. Sydora. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Daniel Halsell Ess is a distinguished inventor whose work in catalyst design and polymerization has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to enhancing chemical processes and materials.