This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Bayer Aktiengesellschaft. Active years: 1979-1982.
Location History:
- Leverkusen, DE (1979 - 1981)
- Dormagen, DE (1982)
Company Filing History:
Years Active: 1979-1982
Title: Innovations of Ulrich Steffen in Polymer Chemistry
Introduction
Ulrich Steffen is a prominent inventor based in Leverkusen, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the development of graft copolymers. With a total of 5 patents to his name, his work has had a substantial impact on the industry.
Latest Patents
Among his latest patents is a process for the production of cross-linked graft copolymers. This innovative method involves the radically initiated precipitation copolymerization of an ethylene/vinyl ester copolymer as a graft base. The process utilizes a mixture of one or more aromatic monovinyl compounds, acrylonitrile, and/or methacrylonitrile, along with a cross-linking agent containing two or more carbon-carbon double bonds. Another notable patent is for the preparation of ethylene-vinyl ester graft polymers. This process focuses on creating dispersions of optionally cross-linked ethylene-vinyl ester graft polymers, utilizing an ethylene-vinyl ester copolymer as the graft substrate.
Career Highlights
Ulrich Steffen is currently employed at Bayer Aktiengesellschaft, a leading global company in the life sciences sector. His work at Bayer has allowed him to explore and innovate in the field of polymer science, contributing to advancements that benefit various applications.
Collaborations
Throughout his career, Ulrich has collaborated with notable colleagues such as Heinrich Alberts and Richard Prinz. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
Ulrich Steffen's contributions to polymer chemistry through his innovative patents and collaborations highlight his role as a key inventor in the industry. His work continues to influence the development of new materials and processes, showcasing the importance of innovation in science.