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Company Filing History:
29 out of 1,242 
29 out of 600 
23 out of 80 
Years Active: 1992-2025
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Title: The Innovations of Wilfried Knott
Introduction
Wilfried Knott is a prominent inventor based in Essen, Germany, known for his significant contributions to the field of polyurethane (PU) foams and siloxane chemistry. With an impressive portfolio of 122 patents, he has made a substantial impact on the industry through innovative processes and materials.
Latest Patents
Among his latest inventions, Knott has developed a process for producing PU foams that involves reacting at least one polyol component with at least one isocyanate component. This process also employs various catalysts that facilitate the isocyanate-polyol and isocyanate-water reactions, ensuring the formation of high-quality foams. Additionally, he utilizes SiOC-linked, linear polydialkylsiloxane-polyoxyalkylene block copolymers, achieved through the reaction of polyether diols with equilibrated α,ω-diacetoxypolydialkylsiloxanes. The specific proportions of these materials used in the finished PU foam range from 0.0001% to 10% by weight, emphasizing the precision of his methods.
Another notable patent involves the creation of curable condensation compounds based on alkoxy-functional polysiloxanes. These compounds are produced by reacting end-equilibrated acetoxy group-bearing siloxanes with alkoxy-functional polysiloxanes, assisted by a catalyst, thereby expanding the possibilities in the field of siloxane applications.
Career Highlights
Throughout his career, Knott has worked with leading companies in the chemical industry, notably Evonik Degussa GmbH and Evonik Operations GmbH. His expertise has led to advancements that significantly enhance the performance and application range of PU foams and siloxane materials.
Collaborations
Knott has also collaborated with notable coworkers such as Horst Dudzik and Frauke Henning, further fostering innovation and development within his projects. Their combined expertise has accelerated the progression of technologies that benefit various industries, including automotive and construction.
Conclusion
Wilfried Knott's remarkable achievements and ongoing innovations solidify his status as a key inventor in the field of polyurethane and siloxane chemistry. With a strong foundation in both practical application and advanced research, his work continues to pave the way for future developments in material science.