Klaus Nollen

Title: Innovations of Klaus Nollen in Iron Oxide Yellow Pigments

Introduction

Klaus Nollen is a notable inventor based in Krefeld, Germany. He has made significant contributions to the field of pigments, particularly in the development of iron oxide yellow pigments. With a total of 4 patents to his name, Nollen's work has had a considerable impact on the industry.

Latest Patents

Nollen's latest patents focus on iron oxide yellow pigments that exhibit a low silking effect. These pigments are produced through a specific process that involves forming needle-shaped α-FeOOH yellow pigment nuclei. The process incorporates compounds containing elements such as B, Al, Ga, Si, Ge, Sn, or Pb, which are present in a quantity ranging from 0.05 to 10% by weight. The resulting pigments have color values that range for L* from 52-63, for a* from 8 to 14, and for b* from 40 to 48 CIELAB units.

Career Highlights

Klaus Nollen is associated with Bayer Aktiengesellschaft, a leading company in the chemical and pharmaceutical industry. His work at Bayer has allowed him to explore innovative solutions in pigment technology. Nollen's expertise in this area has led to advancements that enhance the quality and performance of pigments used in various applications.

Collaborations

Throughout his career, Nollen has collaborated with notable colleagues, including Klaus Kohler and Peter Woditsch. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Klaus Nollen's contributions to the field of iron oxide yellow pigments demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of pigment chemistry and a dedication to improving product quality. Nollen's work continues to influence the industry and inspire future advancements in pigment technology.