Hans M Larsson

Title: Innovations in Papermaking by Hans M Larsson

Introduction

Hans M Larsson is a notable inventor based in Gothenburg, Sweden. He has made significant contributions to the field of papermaking, holding two patents that enhance the efficiency and quality of paper production. His work focuses on innovative methods that improve the properties of paper and address environmental concerns.

Latest Patents

Larsson's latest patents include "Papermaking and products made thereby" and "Papermaking." In the first patent, he introduces a binder comprising colloidal silicic acid and cationic starch, which is added to the papermaking stock to improve paper quality and retention of stock components. This binder also helps reduce pollution problems and recover values from white water. The cationic starch has a degree of substitution of not less than 0.01, with a weight ratio of cationic starch to SiO.sub.2 ranging from 1:1 to 25:1. His second patent outlines a papermaking process where an aqueous stock containing cellulosic pulp is formed and dried. The method involves a specific sequence of adding colloidal silicic acid and cationic starch to enhance sheet properties and improve retention of filler and fines.

Career Highlights

Hans M Larsson works at Eka Aktiebolag, a company known for its innovations in the chemical industry, particularly in papermaking. His expertise in this field has led to advancements that benefit both manufacturers and the environment.

Collaborations

Some of his notable coworkers include Per G Batelson and Hans E Johansson, who have collaborated with him on various projects related to papermaking technologies.

Conclusion

Hans M Larsson's contributions to the papermaking industry through his innovative patents demonstrate his commitment to improving both product quality and environmental sustainability. His work continues to influence the field and inspire future innovations.