Company Filing History:
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Years Active: 2009-2017
Title: Innovations by Peter Willi Kreis
Introduction
Peter Willi Kreis is a notable inventor based in Winterthur, Switzerland. He has made significant contributions to the field of polymer chemistry, particularly in the production of polyesters and polycarbonates. With a total of 2 patents, his work showcases innovative processes that enhance the efficiency and effectiveness of polymer production.
Latest Patents
Kreis's latest patents include a process for the continuous production of polyesters and a method for producing polycarbonate in a flash devolatilization system. The polyester production process involves continuously providing cyclic ester monomer and polymerization catalyst to a continuous mixing loop reactor. This process operates at temperatures between 100 and 240°C, achieving a conversion rate of between 40 and less than 90 wt.%. The pre-polymerized reaction mixture is then polymerized in a plug flow reactor, resulting in a conversion of at least 90%.
The polycarbonate production method features a reactor system that includes multiple reactant vessels, an oligomerization reactor, and a flash tank. This innovative configuration allows for controlled pressure and efficient processing of reactants, leading to improved production of polycarbonate.
Career Highlights
Throughout his career, Peter Willi Kreis has worked with prominent companies such as Sabic Innovative Plastics and Purac Biochem. His experience in these organizations has contributed to his expertise in polymer production technologies.
Collaborations
Kreis has collaborated with notable professionals in his field, including Maarten Antoon Jan Campman and Jan-Willem Goedmakers. These collaborations have further enriched his work and expanded the impact of his innovations.
Conclusion
Peter Willi Kreis is a distinguished inventor whose contributions to polymer chemistry have led to significant advancements in production processes. His innovative patents reflect a commitment to enhancing the efficiency of polymer manufacturing.