Paul Bernhard

Title: Paul Bernhard: Innovator in Photopolymerizable Compositions

Introduction

Paul Bernhard is a notable inventor based in Fribourg, Switzerland. He has made significant contributions to the field of photopolymerization, holding 2 patents that showcase his innovative approaches. His work primarily focuses on enhancing the sensitivity of photopolymerizable compositions, which are essential in various applications.

Latest Patents

Bernhard's latest patents include a process for adjusting the sensitivity to radiation of photopolymerizable compositions. This process allows for the preparation of compositions that can be photopolymerized by the irradiation of emission lines of differing wavelengths from a UV/VIS laser light source. The compositions contain a photopolymerizable compound and at least two photoinitiators. By adjusting the sensitivity to radiation, the ratio between the concentrations of the individual photoinitiators is optimized, ensuring that the composition maintains virtually the same optical density for the radiation of the different emission lines at which the photoinitiators are effective.

Career Highlights

Paul Bernhard has had a distinguished career, working with Ciba-Geigy Corporation, a leading company in the field of specialty chemicals. His innovative work has contributed to advancements in photopolymerization technology, making him a respected figure in the industry.

Collaborations

Throughout his career, Bernhard has collaborated with notable colleagues, including Manfred Hofmann and Bernd Klingert. These collaborations have further enriched his research and development efforts in photopolymerizable compositions.

Conclusion

In summary, Paul Bernhard is a prominent inventor whose work in photopolymerization has led to significant advancements in the field. His innovative processes and collaborations highlight his commitment to enhancing the technology surrounding photopolymerizable compositions.