Company Filing History:
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Years Active: 1989-2005
Title: Innovations and Contributions of Joyce K. Nelson in Gas Separation Technologies
Introduction
Joyce K. Nelson, based in Lexington, Massachusetts, is a prominent inventor whose work has resulted in an impressive portfolio of 25 patents. His innovative contributions primarily focus on gas separation technologies, showcasing his expertise in developing advanced composite membranes.
Latest Patents
Among his latest patents, the "Method of Preparing Composite Gas Separation Membranes from Perfluoropolymers" stands out. This method involves coating a substrate—such as an asymmetrical porous hollow fiber—with a solution containing a perfluorinated polymer and a perfluorinated solvent. The process includes impregnating the substrate with an immiscible fluid, followed by the removal of the solvent and impregnation fluid, resulting in a coated composite membrane. Additionally, he has developed "Polyimide Gas Separation Membranes," which utilize soluble polyamic acid salt (PAAS) precursors. These precursors are fabricated into membranes that undergo imidization to achieve rigid-rod polyimide articles with desirable gas separation properties.
Career Highlights
Joyce has made significant contributions during his career at notable companies such as Praxair Technology, Inc. and Union Carbide Industrial Gases Technology Corporation. His work in these organizations has had a lasting impact on the field of gas separation and membrane technology.
Collaborations
Throughout his career, Joyce has collaborated with respected professionals in his field, including Benjamin Bikson and James Timothy Macheras. These collaborations have enriched his research and development efforts, fostering innovation in gas separation technologies.
Conclusion
Joyce K. Nelson's contributions to the field of gas separation through his inventive methods and extensive patent portfolio make him a notable figure in the world of innovations. His work continues to influence advancements in the industry, paving the way for future developments in membrane technology.