Gunther Klag

Title: Gunther Klag: Innovator in Chemical Processes

Introduction

Gunther Klag is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of chemistry, particularly in the preparation of indoles and the delignification of lignocellulose materials. With a total of 4 patents to his name, Klag's work has had a meaningful impact on various industrial processes.

Latest Patents

Klag's latest patents include a process for the preparation of indoles. This innovative method involves the reaction of a phenylhydrazine, which is unsubstituted in at least one ortho-position, with a ketone in an aqueous medium. The process requires the presence of an acid compound, with less than 5 equivalents based on 1 mol of phenylhydrazine, having a pK value of 1.3-4.5. Another significant patent focuses on the delignification of lignocellulosic materials. This process utilizes a digestion liquor of nitroanthraquinones and/or dinitroanthraquinones, carried out in a closed reaction vessel at temperatures ranging from 150°C to 200°C for a duration of 0.5 to 480 minutes, using 0.001 to 10% nitroanthraquinone and/or dinitroanthraquinone by weight of lignocellulosic material.

Career Highlights

Gunther Klag is associated with Bayer Aktiengesellschaft, a leading global company in the pharmaceutical and life sciences sector. His work at Bayer has allowed him to explore and develop innovative chemical processes that contribute to the company's research and development efforts.

Collaborations

Klag has collaborated with notable colleagues such as Heinz U Blank and Georg Spielberger. These partnerships have fostered a collaborative environment that enhances the innovation process within the company.

Conclusion

Gunther Klag's contributions to the field of chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to advance the understanding and application of chemical processes in various industries.