This inventor holds 4 USPTO granted patents. Top assignees: Clariant Corporation, Hoechst Aktiengesellschaft. Active years: 1980-2000.
Company Filing History:
Years Active: 1980-2000
Title: Bernd Dewald: Innovator in Polymer Laminates
Introduction
Bernd Dewald is a notable inventor based in Idstein, Germany. He has made significant contributions to the field of polymer technology, particularly in the development of innovative materials with unique optical properties. With a total of 4 patents to his name, Dewald's work has garnered attention in various industries.
Latest Patents
Dewald's latest patents include groundbreaking inventions such as polymer laminates having increased hiding power. This invention consists of at least two cholesteric, liquid-crystalline polymer layers with a light-absorbent layer in between, making it suitable for effect pigments that exhibit color impressions dependent on the viewing angle. Another notable patent involves colored cholesteric liquid-crystal polymers having optically variable properties. This invention relates to colorant compositions that consist of cholesteric liquid-crystalline polymers and at least one colorant that absorbs light in the visible wavelength range. The coatings developed from these compositions feature color effects that vary with the viewing angle, which cannot be achieved using absorption pigments alone.
Career Highlights
Throughout his career, Bernd Dewald has worked with prominent companies such as Hoechst Aktiengesellschaft and Clariant Corporation. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to various innovative projects.
Collaborations
Dewald has collaborated with notable professionals in his field, including Wolfgang Teige and Manfred Engelmann. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
In summary, Bernd Dewald is a distinguished inventor whose work in polymer laminates and colorant compositions has significantly advanced the field of material science. His innovative patents and collaborations reflect his commitment to pushing the boundaries of technology.