Company Filing History:
Years Active: 2015
Title: Gregory L. Hemmer: Innovator in Polyetherimide Technologies
Introduction
Gregory L. Hemmer is a notable inventor based in Santa Claus, Indiana, recognized for his contributions to the field of polyetherimide technologies. With a total of 2 patents, Hemmer has made significant advancements in the manufacturing processes and applications of polyetherimide compositions.
Latest Patents
Hemmer's latest patents focus on innovative polyetherimide compositions and their methods of manufacture. The first patent describes polyetherimide compositions that include a reacted combination of alkali metal salts derived from dihydroxy and monohydroxy aromatic compounds, combined with bis(halophthalimide). This composition is characterized by a weight average molecular weight of at least 43,000 Daltons and exhibits lower levels of chlorine and chlorine end groups, as well as reduced plate-out during manufacturing. The second patent similarly details polyetherimide compositions but specifies a different ratio of alkali metal salts, resulting in a weight average molecular weight of less than 43,000 Daltons, while also maintaining low levels of undesirable byproducts.
Career Highlights
Gregory L. Hemmer is currently employed at Sabic Global Technologies B.V., where he continues to develop and refine polyetherimide technologies. His work has contributed to advancements in materials science, particularly in the production of high-performance polymers.
Collaborations
Hemmer has collaborated with notable colleagues, including Juan Justino Rodriguez Ordonez and Thomas Link Guggenheim, enhancing the innovative potential of his projects through teamwork and shared expertise.
Conclusion
Gregory L. Hemmer's work in polyetherimide technologies exemplifies the impact of innovation in materials science. His patents reflect a commitment to improving manufacturing processes and product performance, solidifying his role as a key inventor in this field.