Leif-Göran Ståhlgren

Title: Leif-Göran Ståhlgren: Innovator in Bitumen-Aggregate Mix Technology

Introduction

Leif-Göran Ståhlgren is a notable inventor based in Enskede Gård, Sweden. He has made significant contributions to the field of road construction through his innovative work on bitumen-aggregate mixes. His expertise and creativity have led to the development of a unique process that enhances the quality and efficiency of road pavement.

Latest Patents

Ståhlgren holds a patent for a "Process for the manufacture of a bitumen-aggregate mix suitable for road pavement." This invention relates to an aqueous quick-setting bitumen-aggregate mix that is ideal for cold pavement applications, including roads, parking places, and sidewalks. The process involves mixing a mineral aggregate with water, a de-emulsifier containing hydraulic cement, and a cationic oil-in-water bitumen emulsion. The emulsifier used in this process is a salt of a tertiary diamine and phosphoric acid, which contributes to the effectiveness of the mix.

Career Highlights

Throughout his career, Ståhlgren has been associated with Akzo Nobel N.V., a leading company in the field of specialty chemicals. His work has focused on developing innovative solutions that improve the performance and sustainability of construction materials. His patent reflects his commitment to advancing technology in road construction.

Collaborations

Ståhlgren has collaborated with several professionals in his field, including Bengt-Arne Thorstensson and Keith Shaw. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Leif-Göran Ståhlgren's contributions to the field of bitumen-aggregate mix technology demonstrate his innovative spirit and dedication to improving road construction methods. His patent showcases the potential for advancements in this area, paving the way for more efficient and sustainable infrastructure solutions.