Rutger Neeff, Deceased

Title: The Innovations of Rutger Neeff

Introduction

Rutger Neeff was a notable inventor whose contributions to the field of pigments have left a lasting impact. He was based in Leverkusen, Germany, and was associated with Bayer Aktiengesellschaft. Throughout his career, he was awarded a total of 2 patents that showcased his innovative spirit and technical expertise.

Latest Patents

Rutger Neeff's latest patents include significant advancements in pigment technology. One of his notable inventions is related to pigments based on metal complexes, specifically pigments of the formula ##STR1## where Me represents Zn, Cu, Co, or preferably Ni. Another important patent involves azine pigments, which, in one of their tautomeric forms, have the formula ##STR1## where R signifies --CH.sub.3 or ##STR2##. In the case where R is --CH.sub.3, these pigments are present in the .beta.-modification characterized by specific lattice plane spacings and relative intensities.

Career Highlights

Rutger Neeff's career was marked by his dedication to research and development in the field of pigments. His work at Bayer Aktiengesellschaft allowed him to explore various innovative approaches to pigment formulation and application. His contributions have been recognized within the industry, and his patents reflect his commitment to advancing pigment technology.

Collaborations

Throughout his career, Rutger collaborated with several notable individuals, including Meinhard Rolf and Walter Muller. These collaborations contributed to the development of his innovative ideas and the successful realization of his patents.

Conclusion

Rutger Neeff's legacy as an inventor is defined by his innovative contributions to pigment technology. His patents continue to influence the field, and his work at Bayer Aktiengesellschaft remains a testament to his expertise and dedication.