Location History:
- Raleigh, NC (US) (1976 - 1977)
- Chester, VA (US) (1978)
Company Filing History:
Years Active: 1976-1978
Title: Innovations by John Walter Showers: Pioneering Synthetic Processes
Introduction
John Walter Showers is a notable inventor based in Raleigh, NC, recognized for his contributions to the field of polymer chemistry. With a total of three patents to his name, Showers has made significant advancements in the manufacture of polyesters and synthetic fibers, enhancing industrial processes and product quality.
Latest Patents
One of Showers' latest patents focuses on the **manufacture of polyesters**, specifically through a continuous process for the production of polyester polymers. In this innovative method, polymer additives are introduced into the molten polymer stream by injecting a stable liquid dispersion formed from liquid polyisobutene and the required additives. This process proves especially beneficial for the production of thermally stabilized polyesters, incorporating a stabilizing amount of a copper complex compound.
Another of his recent inventions is a **process for melt-spinning synthetic fibers**. This improved technique and apparatus allow for the production of synthetic multifilamentary yarns that feature uniform quality. The method involves extruding a molten synthetic polymer downwardly through a spinneret, which is followed by the advancement of the extruded filaments through a stationary column of heated air and into a quenching zone. The innovative apparatus includes an extrusion spinneret for multiple filaments extruding directly into a heated sleeve, which leads to a quenching chamber designed for controlled cooling air flow.
Career Highlights
John Walter Showers is currently affiliated with Allied Chemical Corporation, where he has dedicated his expertise to advancing polymer manufacturing processes. His innovative approaches have not only contributed to the company's portfolio but have also significantly impacted the industry as a whole.
Collaborations
Throughout his career, Showers has collaborated with esteemed professionals like William B. Fisher and Dong Wha Kim. These partnerships have fostered a collaborative environment that thrives on innovation and technological advancements, enhancing the quality and efficiency of their projects.
Conclusion
John Walter Showers stands out as a prominent inventor in the realm of polymer science. With his groundbreaking patents in polyester manufacture and synthetic fiber production, he continues to influence the field significantly, paving the way for future innovations and advancements in material processing.