Christoph Frey

Title: Christoph Frey: Innovator in Electrophotographic Imaging and Complex Pigments

Introduction

Christoph Frey is a notable inventor based in Aesch, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of complex pigments and electrophotographic imaging processes. With a total of seven patents to his name, Frey has established himself as a key figure in his industry.

Latest Patents

Frey's latest patents include innovative formulations such as Naphthostyril Ni or Cu complexes, which detail a process for their preparation. These complexes are suitable for pigmenting high molecular weight organic materials. Another significant patent involves an electrophotographic imaging process that utilizes anthraquinoid black pigments. This process features electrically photosensitive particles that consist of black pigments selected from a series of anthraquinoid pigments, which contain at least two anthraquinone radicals or at least six condensed rings.

Career Highlights

Throughout his career, Christoph Frey has worked with Ciba-Geigy Corporation, a prominent company in the chemical and pharmaceutical industry. His work has focused on advancing technologies that enhance imaging processes and pigment applications. Frey's innovative approach has led to the development of new materials that improve the quality and efficiency of imaging technologies.

Collaborations

Frey has collaborated with several esteemed colleagues, including Jost Von Der Crone and Remy Jeanneret. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Christoph Frey is a distinguished inventor whose work in complex pigments and electrophotographic imaging has made a lasting impact on the industry. His innovative patents and collaborations highlight his commitment to advancing technology in his field.