Douglas M Haseltine

Title: Douglas M Haseltine: Innovator in Polymer Processing

Introduction

Douglas M Haseltine is a notable inventor based in Kingsport, TN (US). He has made significant contributions to the field of polymer processing, holding a total of 3 patents. His work primarily focuses on improving the efficiency and effectiveness of thermoplastic polymer distribution and processing.

Latest Patents

Haseltine's latest patents include an "Apparatus and process for distributing molten thermoplastic polymers." This invention details a process and apparatus for distributing molten thermoplastic material directly from melt polymerization to multiple molding machines operating in a timed sequence. This innovation is particularly applicable for transferring molten polyester, such as polyethylene terephthalate, directly from a melt polymerization reactor to injection molding machines for producing molded plastic articles. Another significant patent is the "Vacuum system for controlling pressure in a polyester process." This invention describes a polymerization system with at least two reaction chambers where vacuum is utilized to remove vapors, employing a single vacuum system to supply vacuum in increasing amounts to successive reaction chambers.

Career Highlights

Douglas M Haseltine is currently associated with Eastman Chemical Company, where he continues to apply his expertise in polymer processing. His work has been instrumental in advancing the technology used in the production of various plastic materials.

Collaborations

Haseltine has collaborated with notable coworkers, including Jimmy L Ryans and Thomas Lloyd Yount, contributing to the innovative environment at Eastman Chemical Company.

Conclusion

Douglas M Haseltine's contributions to polymer processing through his patents and work at Eastman Chemical Company highlight his role as a significant innovator in the field. His inventions continue to impact the efficiency of thermoplastic polymer distribution and processing.