Esko Tirronen

Title: Esko Tirronen: Innovator in Papermaking Technology

Introduction

Esko Tirronen is a notable inventor based in Espoo, Finland. He has made significant contributions to the field of papermaking through his innovative methods and solutions. With a total of 6 patents to his name, Tirronen has established himself as a key figure in the industry.

Latest Patents

One of his latest patents is a method for dissolving cationic starch, which involves creating an aqueous polyelectrolyte solution that includes a synthetic cationic polymer. This polymer has a charge density value of at least 0.1 meq/g, determined at pH 3, and the concentration of the cationic polymer in the solution exceeds 2.5 weight-%. The method allows for the dissolution of cationic starch with a degree of substitution greater than 0.1 by heating and/or mixing. Additionally, he has developed a papermaking agent that comprises 2-40 weight-% of synthetic cationic polymer and 2.5-25 weight-% cationic starch, which is in slurry form and has a viscosity of 50-20,000 mPas, measured at 25°C with a Brookfield DVI+ viscometer. Another significant patent involves processes for forming high iron content ferric chloride solutions, which includes reconstituting and transporting stable ferric chloride solutions.

Career Highlights

Throughout his career, Esko Tirronen has worked with prominent companies such as Kemira Oyj and Taminco Finland. His work has focused on enhancing the efficiency and effectiveness of papermaking processes through innovative chemical solutions.

Collaborations

Tirronen has collaborated with notable colleagues, including Jukka Hietala and Kari Saari, contributing to advancements in their respective fields.

Conclusion

Esko Tirronen's contributions to papermaking technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to impact the industry positively.