Armin Zenner, an accomplished inventor based in Dormagen, Germany, has made significant contributions to the field of powder coating and polyurethane technology. With a portfolio boasting eight patents, Zenner's work exemplifies innovation and creativity in the realm of materials science.

Latest Patents

Zenner's latest patents highlight his expertise in developing advanced powder coating compositions. One noteworthy patent focuses on powder coating compositions containing copolymers that are solid below 30°C. These copolymers are prepared from olefinically unsaturated compounds and possess a weight-average molecular weight (M_w) ranging from 1,500 to 75,000. Additionally, they contain free hydroxyl groups in the range of 0.2 to 6.0% by weight, as well as intramolecular carboxylic acid anhydride groups, which are essential for their effectiveness.

Another significant innovation by Zenner is related to reactive polyurethanes. This patent describes polyurethanes with softening temperatures above 80°C that are NCO-free and reactive via masked isocyanates. These polyurethanes are characterized as essentially linear and extensively pre-lengthened, allowing them to be used in powder form that can be processed similarly to thermoplastics and post-cured for enhanced performance.

Career Highlights

Armin Zenner's career is marked by his tenure at Bayer Aktiengesellschaft, a leading company in the chemical and pharmaceutical industry. His work there not only showcases his skills as an inventor but also emphasizes the company's commitment to innovation in materials science. Zenner's contributions have played a key role in advancing technologies that are vital for various applications in the coatings industry.

Collaborations

Throughout his career, Zenner has collaborated with esteemed coworkers such as Hans-Joachim Scholl and Walter Meckel. These partnerships have fostered an environment of knowledge exchange and innovation, furthering advancements in the field and leading to the successful development of numerous patented technologies.

Conclusion

Armin Zenner's legacy as an inventor is characterized by his commitment to developing innovative solutions in powder coatings and polyurethane technologies. His patents not only reflect his technical ingenuity but also highlight the collaborative spirit prevalent in the research and development community. As he continues to push the boundaries of material science, Zenner remains a prominent figure in the realms of innovation and invention.

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