This inventor holds 2 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Bayer Materialscience Ag, Fritz Nauer Ag. Active years: 2006-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2006-2015
Title: The Innovations of Hans Frei
Introduction
Hans Frei is a notable inventor based in Jona, Switzerland. He has made significant contributions to the field of flexible polyurethane foam, holding 2 patents that showcase his innovative approach to material science. His work has implications for various industries, particularly in manufacturing and materials engineering.
Latest Patents
Frei's latest patents include advancements in flexible polyurethane foam. This foam is produced by mixing a prepolymer with foam-forming ingredients, including isocyanate and water, which react to generate carbon dioxide. The prepolymer is hydroxyl-tipped and is created by reacting polyol with a controlled amount of isocyanate. This innovative prepolymer serves as a stable starting material for producing flexible polyurethane foam, which exhibits enhanced hydrolysis resistance. Additionally, the viscosity of the prepolymer can be adjusted, allowing for better control over the foam's cell structure during production.
Another significant patent involves a process and installation for producing foam in a continuous slabstock foam process. This invention measures the height of a foam-forming mixture along a conveyor and determines a correcting variable based on deviations from a standard height. This advancement streamlines the production process and enhances the quality of the foam produced.
Career Highlights
Throughout his career, Hans Frei has worked with prominent companies such as Bayer MaterialScience AG and Fritz Nauer AG. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to innovative solutions in foam production.
Collaborations
Frei has collaborated with notable professionals in his field, including Karl-Heinz Dörner and Kurt Schoenenberger. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Hans Frei's contributions to the field of flexible polyurethane foam demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material properties and production processes, making him a significant figure in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile