Company Filing History:
Years Active: 1998-2002
Title: Gregory Eugene Sweet: Innovator in Polymer Filament Technology
Introduction
Gregory Eugene Sweet is a notable inventor based in Greenville, NC (US). He has made significant contributions to the field of polymer technology, holding a total of 3 patents. His work primarily focuses on the development of advanced apparatuses and processes for spinning polymeric filaments.
Latest Patents
One of his latest patents is titled "Apparatus and process for spinning polymeric filaments." This invention features a melt spinning apparatus designed to produce continuous polymeric filaments. It includes a first stage gas inlet chamber positioned below a spinneret, with an optional second stage gas inlet chamber. These gas inlet chambers are crucial for controlling the temperature of the filaments during the spinning process. Additionally, the apparatus incorporates a tube that surrounds the filaments as they cool, enhancing the quality of the final product.
Another significant patent is for "Continuous filament yarns." This innovation involves rapidly quenching yarns made of melt-spun polymeric filaments. The filaments are cooled using quenching gas that is accelerated through a specially designed tube. This process results in yarns that exhibit an elongation to break of about 100% or more, with filaments numbering from 25 to 150 and each filament being less than 4 denier.
Career Highlights
Gregory Sweet is currently employed at E.I. DuPont De Nemours and Company, where he continues to advance his research and development in polymer technologies. His work has significantly impacted the industry, particularly in the production of high-quality yarns and filaments.
Collaborations
Throughout his career, Gregory has collaborated with esteemed colleagues such as George Vassilatos and Young D T Nguyen. These partnerships have fostered innovation and contributed to the successful development of his patented technologies.
Conclusion
Gregory Eugene Sweet is a prominent figure in the field of polymer filament technology, with a focus on innovative spinning processes. His contributions through patents and collaborations have paved the way for advancements in the industry. His work continues to influence the production of high-performance polymeric materials.