Tore Dreng

Title: Innovations of Tore Dreng in Polyethylene Technology

Introduction

Tore Dreng is a notable inventor based in Larvik, Norway, recognized for his contributions to the field of polyethylene technology. With a total of seven patents to his name, Dreng has made significant advancements in the preparation and application of multimodal polyethylene, particularly for pipe manufacturing.

Latest Patents

One of Dreng's latest patents focuses on a process for the preparation of multimodal polyethylene. This innovative process involves polymerizing ethylene and optionally an α-olefin comonomer in two distinct stages. The first stage produces a first ethylene polymer, while the second stage polymerizes ethylene in the presence of the first polymer. This method utilizes an unsupported metallocene catalyst, resulting in a multimodal polyethylene with a molecular weight of at least 50,000 g/mol and a bulk density of at least 250 g/dm. The patent also outlines a process for extruding this multimodal polyethylene to create durable pipes.

Career Highlights

Throughout his career, Tore Dreng has worked with prominent companies in the industry, including Borealis Technology Oy and Norner Verdandi AS. His experience in these organizations has contributed to his expertise in polymer technology and innovation.

Collaborations

Dreng has collaborated with several professionals in his field, including Jarmo Lindroos and Vidar Almquist. These partnerships have likely enhanced his research and development efforts, leading to successful patent applications.

Conclusion

Tore Dreng's work in polyethylene technology exemplifies the impact of innovation in material science. His patents not only advance the field but also contribute to the development of more efficient and durable products.