This inventor holds 2 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1984-1986.
Company Filing History:
Years Active: 1984-1986
Title: Bernhard Dorrer: Innovator in Polypropylene Molding Compositions
Introduction
Bernhard Dorrer is a notable inventor based in Frankfurt, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the development of polypropylene molding compositions. With a total of 2 patents to his name, Dorrer's work has had a substantial impact on the industry.
Latest Patents
Dorrer's latest patents include a process for the preparation of a polypropylene molding composition. This innovative process involves a two-stage polymerization of propylene and ethylene in liquid propylene, utilizing a special supported catalyst. The resulting polypropylene molding composition exhibits excellent hardness and impact strength at low temperatures. Another significant patent focuses on a polypropylene molding composition that combines polypropylene, ethylene-propylene copolymer, and polyethylene. This composition is characterized by high hardness, increased impact strength, and homogeneity after processing, achieved through a continuous three-stage polymerization process.
Career Highlights
Throughout his career, Bernhard Dorrer has been associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work has contributed to advancements in polymer technology, enhancing the performance and applications of polypropylene materials.
Collaborations
Dorrer has collaborated with esteemed colleagues such as Helmut Strametz and Horst Neumann. These partnerships have fostered innovation and have been instrumental in the development of new technologies in the field.
Conclusion
In summary, Bernhard Dorrer is a distinguished inventor whose work in polypropylene molding compositions has paved the way for advancements in polymer chemistry. His contributions continue to influence the industry and inspire future innovations.