Karl-Hermann List

Title: **The Innovations of Karl-Hermann List in Dyestuff Dispersing Agents**

Introduction

Karl-Hermann List, an accomplished inventor based in Frankfurt-am-Main, Germany, has contributed significantly to the field of chemical engineering through his innovative work on dispersing agents for dyestuffs. With a remarkable portfolio that includes two patents, his groundbreaking research has had a lasting impact on textile dyeing processes.

Latest Patents

Karl-Hermann List's latest patents focus on advancing dispersing agents for finely dividing and stabilizing dyestuffs. One of his notable patents introduces water-soluble condensation products derived from mono- or di-alkyl naphthalene sulfonic acids and formaldehyde. These dispersants not only prevent fabric soiling but also facilitate highly fluid dispersions that remain stable under heat and storage conditions. Another significant patent details dispersing and stabilizing agents formed through co-condensation methods involving a phenolic component, formaldehyde, and alkali metal sulfite. This innovation showcases an improved dispersing effect, allowing for the effective use of alkali-sensitive dyestuffs without compromising the cleanliness of the fabrics, enabling clean shades in dyeing.

Career Highlights

Karl-Hermann List has honed his expertise while working at Hoechst Aktiengesellschaft, a prominent company in the chemical industry, where he has been able to push the boundaries of research and development in dyestuff applications. His work has not only earned him patents but also respect among his peers in the field of chemical engineering.

Collaborations

Throughout his career, Karl-Hermann List has collaborated with esteemed colleagues such as Heinz Uhrig and Reinhold Deubel. These collaborations have fostered a creative environment that contributes to the development of innovative solutions in the textile and dyeing industry, pushing forward the standards of quality and efficiency.

Conclusion

Karl-Hermann List's contributions through his patents and collaborative endeavors demonstrate a commitment to enhancing textile dyeing processes. His innovative approach to dispersing agents has paved the way for more sustainable and efficient practices in the industry, highlighting the vital role of inventors in driving advancements within chemical engineering.