Dennis J Keller

Title: Dennis J Keller: Innovator in Thermoplastic Polyurethanes

Introduction

Dennis J Keller is a notable inventor based in Rocky River, OH (US). He has made significant contributions to the field of materials science, particularly in the development of soft thermoplastic polyurethanes. His innovative work has led to advancements in applications such as blown film techniques.

Latest Patents

Keller holds a patent for "Soft thermoplastic polyurethane for blown film application." This invention involves the preparation of soft linear thermoplastic polyurethanes that exhibit low permanent set, high tear propagation resistance, and low blocking. The process includes reacting a hydroxyl terminated polyester with an aromatic glycol chain extender and an organic diisocyanate. The resulting polymers are particularly useful in the production of elastic tapes and form-fitting apparel, including leg bands in diapers and adult incontinence garments.

Career Highlights

Dennis Keller has had a distinguished career, working with The B. F. Goodrich Company, where he has been able to apply his expertise in polymer science. His innovative approach to thermoplastic materials has positioned him as a key figure in the industry.

Collaborations

Keller has collaborated with fellow inventor Dale R Hall, contributing to the advancement of their shared projects and innovations in the field of thermoplastic materials.

Conclusion

Dennis J Keller's contributions to the field of thermoplastic polyurethanes have paved the way for new applications in various industries. His innovative spirit and dedication to research continue to inspire advancements in material science.