Company Filing History:
Years Active: 1985-1986
Title: Douglas D Roth: Innovator in Melt-Spinning Technology
Introduction
Douglas D Roth is a notable inventor based in Matthews, NC (US). He has made significant contributions to the field of melt-spinning technology, holding 2 patents that enhance the production of polyester filaments. His work is particularly focused on reducing birefringence variability in melt-spun yarns.
Latest Patents
Roth's latest patents include a "Melt-spinning apparatus for polyester filaments" and a "Method for melt spinning polyester filaments." The melt-spinning apparatus is designed to reduce birefringence variability by extruding polymer at varying mass-flow rates through different groups of orifices in a spinnerette. This innovative design features concentric rows of orifices, with specific dimensions that optimize the spinning process. The method for melt spinning polyester filaments similarly aims to enhance the quality of yarn produced at high pack throughputs, utilizing a spinnerette with defined orifice dimensions.
Career Highlights
Douglas D Roth is currently employed at Celanese GmbH, where he continues to develop and refine technologies related to polymer processing. His expertise in melt-spinning has positioned him as a key figure in advancing the efficiency and quality of polyester filament production.
Collaborations
Roth collaborates with Fredrick A Ethridge, leveraging their combined expertise to drive innovation in their field.
Conclusion
Douglas D Roth's contributions to melt-spinning technology exemplify the impact of innovative thinking in the textile industry. His patents not only enhance production efficiency but also improve the quality of polyester filaments.