Ernst Beriger

Title: Ernst Beriger: Innovator in Aminotriazine Derivatives

Introduction:

Ernst Beriger, a prolific inventor from Allschwil, CH, has made significant contributions to the field of aminotriazine derivatives. With 32 patents to his name, Beriger has demonstrated his expertise in this area, particularly in the development of processes for their preparation. In this article, we will explore some of his latest patents, career highlights, notable collaborations, and highlight Beriger's remarkable contributions to the field.

Latest Patents:

Beriger's recent patents showcase his expertise in developing novel processes for the preparation of aminotriazine derivatives. One such patent is titled "Process for the Preparation of Aminotriazine Derivatives," which describes a method for synthesizing compounds of formula ##STR1##. This process involves reacting a compound of formula II ##STR2## with hydrazine hydrate, followed by hydrolysis to form the compound of formula I ##STR3##. Finally, the compound of formula I is reacted with the aldehyde of formula ##STR4## to obtain the resulting compound of the formula IV. This method holds great promise for the efficient preparation of compounds used as intermediates in the production of pesticides.

Another notable patent from Beriger is titled "Process for the Preparation of Aminotriazine Derivatives." This invention focuses on a process for synthesizing a compound of formula ##STR1##, which is a useful intermediate for the production of pesticides. The patent outlines a detailed method involving the reaction of a compound of formula ##STR2## with hydrazine hydrate, followed by hydrolysis to obtain the compound of formula ##STR3##.

Career Highlights:

During his career, Ernst Beriger contributed to the development of aminotriazine derivatives in collaboration with esteemed companies. Beriger worked extensively with Ciba-Geigy Corporation, a renowned global chemical company, and made substantial contributions to their research and development efforts in this field. His expertise and patented inventions have proven invaluable in advancing the field of aminotriazine derivatives.

Notable Collaborations:

Throughout his career, Ernst Beriger collaborated with accomplished peers who shared his passion for innovation. Two notable coworkers who worked alongside Beriger are Jozef Drabek and Odd Kristiansen. These valuable collaborations allowed for the exchange of ideas, expertise, and enhanced the overall innovation in their respective fields.

Conclusion:

Ernst Beriger's impressive body of work and numerous patents in the area of aminotriazine derivatives exemplify his significant contributions to the field. His inventive processes for synthesizing these compounds have facilitated advancements in the production of pesticides and related chemicals. Beriger's collaboration with reputable companies like Ciba-Geigy Corporation, along with his interactions with accomplished coworkers, further demonstrate his commitment to innovation and expertise in the field. Beriger's work continues to shape the industry, making him a notable inventor and researcher in the realm of aminotriazine derivatives.