Lars Harald Petander

Title: Innovations and Contributions of Lars Harald Petander

Introduction

Lars Harald Petander is a notable inventor based in Vaasa, Finland. He has made significant contributions to the field of polymer chemistry, particularly in the development of cationically modified (meth)acrylamide polymers. With a total of four patents to his name, Petander's work has had a substantial impact on various industrial applications.

Latest Patents

One of Petander's latest patents is a process for preparing a cationically modified (meth)acrylamide polymer. This invention involves the Mannich reaction, where a stable aldehyde-secondary amine adduct is prepared and stabilized for storage. The modified polymer is then used as a flocculation, retention, or dewatering agent. Another significant patent is a process for producing paper, which includes adding auxiliary agents to an aqueous fiber suspension to improve retention and dewatering. This innovative approach enhances the efficiency of the paper-making process.

Career Highlights

Throughout his career, Lars Harald Petander has worked with prominent companies such as Kemira Oy and Kemira Chemicals Oy. His experience in these organizations has allowed him to apply his expertise in polymer chemistry to real-world challenges, leading to the development of effective solutions in the industry.

Collaborations

Petander has collaborated with notable colleagues, including Sirkka L. Leppavuori and Lauri J. Teivainen. These partnerships have contributed to the advancement of research and innovation in the field of polymer chemistry.

Conclusion

Lars Harald Petander's contributions to polymer chemistry and his innovative patents demonstrate his commitment to advancing technology in industrial applications. His work continues to influence the field and inspire future innovations.