Company Filing History:
Years Active: 1982-1983
Title: **The Innovative Contributions of Werner Mentzel**
Introduction
Werner Mentzel, an accomplished inventor based in Cologne, Germany, has made significant contributions to the field of chemical processes, particularly in the isolation and preparation of important chemical compounds. With four patents to his name, Mentzel has proven to be a valuable asset in the realm of chemical innovation.
Latest Patents
Mentzel's latest patents showcase his expertise in chemical processes. One notable patent is for the "Process for the isolation of 1-naphthylamine-4,8-disulphonic acid." This innovative method allows for the effective separation of 1-naphthylamine-4,8-disulphonic acid from sulphonation mixtures by introducing the mixture into preheated water, achieving crystallization temperatures of at least 100°C and maintaining a separation temperature not higher than 70°C. This process is particularly advantageous when isolating the compound from sulphonation mixtures produced using specific ratios of alkali metal sulfate and 1-naphthylamine-8-sulphonic acid.
Another important patent by Mentzel is the "Process for the preparation of 3-hydroxybenzoic acid." In this process, 3-hydroxybenzoic acid is derived from a technical 3-sulphobenzoic acid mixture through a reaction with alkali metal hydroxide at elevated temperatures and pressures. This method focuses on utilizing a technical mixture that contains a high percentage of 3-sulphobenzoic acid, allowing for efficient production while neutralizing associated acids before isolating the desired acid at controlled temperatures.
Career Highlights
Werner Mentzel has had a rewarding career with Bayer Aktiengesellschaft, a leading pharmaceuticals and life sciences company. His work at Bayer has allowed him to engage in pioneering research and product development, firmly establishing him as an expert in his field. Mentzel's patents reflect a blend of creativity and practicality, addressing real-world challenges in chemical processing.
Collaborations
Throughout his career, Mentzel has collaborated with notable colleagues such as Heinz U. Blank and Horst Behre. These partnerships have fostered a creative environment, leading to innovative approaches in their research and development efforts, contributing to the advancements in the chemical industry.
Conclusion
In conclusion, Werner Mentzel's innovative spirit and dedication to chemical research have resulted in significant contributions to the field. With a robust portfolio of patents and impactful collaborations, he continues to inspire advancements in chemical processes. His legacy is marked by a commitment to improving techniques in chemical isolation and preparation, reinforcing the importance of innovation in the world of science.