This inventor holds 3 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1992-1994.
Company Filing History:
Years Active: 1992-1994
Title: Manfred Ehlert: Innovator in Polymer Chemistry
Introduction
Manfred Ehlert is a notable inventor based in Dormagen, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the development of processes for the preparation and purification of thermoplastic resins. With a total of 3 patents to his name, Ehlert's work has had a meaningful impact on the industry.
Latest Patents
Ehlert's latest patents include innovative processes that enhance the efficiency and sustainability of polymer production. One of his key inventions is a method for the preparation of hydroxyalkyl ethers of diphenols. This process involves reacting aromatic polycarbonate resin with alkylene diol in the presence of a basic catalyst at elevated temperatures. The resulting hydroxyalkyl ether can be produced in a molar ratio of 514 10 moles of alkylene diol to 1 mole of aromatic carbonate structural units. This method not only creates valuable products but also allows for the recycling of aromatic polycarbonate waste.
Another significant patent focuses on the purification of waste from thermoplastic resins. This process addresses the challenges posed by waste containing aromatic polycarbonates, polyester carbonates, and other contaminants. Ehlert's method includes size reduction, chemical washing, and filtering steps, resulting in purified resins that are suitable for thermoplastic processing. This innovation contributes to more sustainable practices in the production of optical moldings.
Career Highlights
Manfred Ehlert is associated with Bayer Aktiengesellschaft, a leading global company in the field of science and technology. His work at Bayer has allowed him to explore and develop advanced materials that meet the demands of modern applications. Ehlert's expertise in polymer chemistry has positioned him as a valuable asset to the company and the industry at large.
Collaborations
Ehlert has collaborated with esteemed colleagues such as Gerhard Fennhoff and Wolfgang Jakob. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas, further enhancing the quality of their research and development efforts.
Conclusion
In summary, Manfred Ehlert is a distinguished inventor whose contributions to polymer chemistry have led to significant advancements in the preparation and purification of thermoplastic resins. His innovative patents and collaborative efforts continue to influence the industry positively.