Location History:
- Liederbach, DE (1997)
- Kelkheim, DE (1997)
Company Filing History:
Years Active: 1997
Title: J Urgen Rohrmann: Innovator in Polymer Chemistry
Introduction
J Urgen Rohrmann is a notable inventor based in Kelkheim, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced copolymers. With a total of 3 patents to his name, Rohrmann's work has had a substantial impact on various industrial applications.
Latest Patents
One of his latest patents is a process for the preparation of a syndiotactic propylene copolymer. This innovative copolymer is obtained through the copolymerization of propylene with small amounts of other olefins, utilizing a catalyst that includes a metallocene. The resulting copolymer exhibits high yields, a very high molecular weight, and a narrow molecular weight distribution. It also possesses advantageous properties such as low melting points and rubber-like behavior. Molded articles produced from this polymer are characterized by high transparency, flexibility, and tear strength, making them ideal for various packaging applications.
Another significant patent involves the preparation of bridged, chiral metallocene catalysts. This process includes deprotonating a solution or suspension of an indene in a solvent mixture containing a base, leading to the formation of a metallated product. This advancement in catalyst preparation is crucial for enhancing the efficiency and effectiveness of polymerization processes.
Career Highlights
Rohrmann has built a distinguished career at Hoechst Aktiengesellschaft, where he has been instrumental in advancing polymer technology. His expertise in metallocene catalysts and copolymerization processes has positioned him as a leader in the field. His innovative approaches have not only contributed to the scientific community but have also provided practical solutions for industrial applications.
Collaborations
Throughout his career, Rohrmann has collaborated with esteemed colleagues, including Frank K Uber and Michael Aulbach. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
J Urgen Rohrmann's contributions to polymer chemistry and his innovative patents have significantly advanced the field. His work continues to influence the development of new materials and applications, showcasing the importance of innovation in science and industry.