Company Filing History:
Years Active: 1999
Title: Gary Eugene Spilman: Innovator in Polycarbonate Technology
Introduction
Gary Eugene Spilman is a notable inventor based in Evansville, IN (US). He has made significant contributions to the field of polycarbonate technology, holding 2 patents that focus on improving the quality and stability of polycarbonate compositions. His work is particularly relevant in industries that require high-performance materials.
Latest Patents
One of Gary's latest patents involves reducing ionic impurities content in aromatic polycarbonate resins. This invention presents an aromatic polycarbonate composition that contains less than 400 parts per billion each of ionic impurities, specifically sulfate, chloride, and fluoride ions. The process involves devolatilizing these ionic impurities from the polycarbonate composition using an aqueous medium during compounding, preferably in an extruder under vacuum conditions. The extruded strands of polycarbonate resin are then quenched in a deionized water bath.
Another significant patent by Gary relates to weatherable polycarbonate compositions that comprise hindered amine light stabilizers (HALS). This invention utilizes piperazinone or piperazine dione based HALS to enhance the photostability of polycarbonate formulations. As a result, these compositions exhibit reduced yellowing and other forms of light-induced degradation, making them suitable for various applications.
Career Highlights
Gary Eugene Spilman is associated with General Electric Company, where he has applied his expertise in material science to develop innovative solutions. His work has contributed to advancements in polycarbonate technology, which is crucial for numerous applications in different industries.
Collaborations
Gary has collaborated with notable coworkers, including Eric Thomas Gohr and David A Bradley. Their combined efforts have led to significant advancements in the field of polycarbonate materials.
Conclusion
In summary, Gary Eugene Spilman is a distinguished inventor whose work in polycarbonate technology has led to valuable patents that enhance material performance. His contributions continue to impact various industries, showcasing the importance of innovation in material science.