Ulfert Elle Wiersum

Title: Ulfert Elle Wiersum: Innovator in Non-Linear Optical Polycarbonates

Introduction

Ulfert Elle Wiersum is a notable inventor based in Velp, Netherlands. He has made significant contributions to the field of materials science, particularly in the development of non-linear optical polycarbonates. With a total of eight patents to his name, Wiersum's work has advanced the understanding and application of optical materials.

Latest Patents

Wiersum's latest patents focus on non-linear optically active polycarbonates. One of his key inventions pertains to a non-linear optically active side chain polycarbonate and the waveguides that incorporate this material. These waveguides are designed to exhibit low signal loss, which is crucial for efficient optical communication. The polycarbonates developed by Wiersum utilize bischloroformates of hexafluorobisphenol A, hexafluorotetrabromobisphenol A, and bisphenol S, among others. These materials have been found to provide exceptionally low signal loss, making them highly effective for various applications. Additionally, Wiersum's inventions include cross-linkable and already cross-linked polycarbonates, particularly those with a rigid donor group that enhances thermal stability.

Career Highlights

Throughout his career, Wiersum has worked with prominent companies such as Akzo Nobel N.V. and Akzona Incorporated. His experience in these organizations has allowed him to refine his expertise in polymer science and optical materials.

Collaborations

Wiersum has collaborated with notable colleagues, including Tjerk Oedse Boonstra and Johan B. Reesink. These partnerships have contributed to the advancement of his research and the successful development of innovative materials.

Conclusion

Ulfert Elle Wiersum is a distinguished inventor whose work in non-linear optical polycarbonates has made a significant impact in the field of materials science. His patents reflect a commitment to innovation and excellence in optical technology.