Hanna-Leena Rönkkö

Title: Innovations of Hanna-Leena Rönkkö

Introduction

Hanna-Leena Rönkkö is a notable inventor based in Porvoo, Finland. She has made significant contributions to the field of catalysis, particularly in the development of Ziegler-Natta catalyst components. With a total of 2 patents, her work has implications for the production of various polymers.

Latest Patents

Hanna-Leena Rönkkö's latest patents focus on advanced catalyst components. One patent describes a Ziegler-Natta catalyst component in the form of solid particles with a median particle size ranging from 5 to 200 µm. This component includes a compound of Group 1 to 3 metals, a transition metal from Group 4 to 10, and an internal electron donor. The invention also outlines a process for producing this catalyst component, which is used in the production of C2 to Cα-olefin polymers, particularly propylene or ethylene polymers. Another patent details a solid, particulate catalyst component with a mean particle size of 5 to 200 µm, comprising a Group 2 metal, a transition metal from Group 4 to 6, and two distinct internal electron donors. This catalyst component is designed to be free of any external support material and is utilized in polymerization processes for producing propylene polymers.

Career Highlights

Hanna-Leena Rönkkö is currently employed at Borealis AG, a leading company in the field of polyolefins. Her work at Borealis has allowed her to focus on innovative solutions in catalysis and polymer production.

Collaborations

Hanna-Leena has collaborated with notable colleagues such as Peter Denifl and Timo Leinonen, contributing to advancements in their shared field of expertise.

Conclusion

Hanna-Leena Rönkkö's contributions to catalysis and polymer production through her innovative patents highlight her role as a significant inventor in her field. Her work continues to influence the development of new materials and processes in the industry.