Location History:
- Nodinge, SE (1998)
- Nódinge, SE (2007)
- Nödinge, SE (2010 - 2014)
Company Filing History:
Years Active: 1998-2014
Title: Innovator Maj-Lis Dahlgren: A Pioneer in Silica-based Sols
Introduction
Maj-Lis Dahlgren, an accomplished inventor based in Nödinge, Sweden, has made significant strides in the field of materials science through her innovative work on silica-based sols. With a notable portfolio comprising five patents, Dahlgren is recognized for her contributions to enhancing industrial processes, particularly in the paper production sector.
Latest Patents
Maj-Lis Dahlgren's recent patents focus on developing advanced silica-based sols. One of her key inventions details an aqueous sol that contains silica-based particles, achieving a specific surface area of at least 115 m²/g. This sol maintains a pH of at least 10.5 and an S-value ranging from 10 to 45%. Another notable patent also revolves around similar silica-based sols, which emphasizes an even higher specific surface area exceeding 550 m²/g but less than 1000 m²/g. These sols are predominantly free of aluminum, underlining their application as effective drainage and retention aids in the paper production process, whereby they are combined with cellulosic fibers and charged organic polymers.
Career Highlights
Maj-Lis Dahlgren serves as an inventor at Akzo Nobel N.V., a global leader in paints and coatings, as well as specialty chemicals. Her work aligns with the company’s commitment to innovation in sustainability and efficient resource management. With five patents to her name, Dahlgren has proven to be an influential figure in developing new materials that have practical applications in various industries.
Collaborations
Throughout her career, Dahlgren has collaborated with several co-inventors, including notable professionals like Michael Persson and Marek T Tokarz. These collaborations have enriched her research and development efforts, combining different expertise to further innovate silica-based solutions.
Conclusion
Maj-Lis Dahlgren stands out as a leading inventor in her field, with her groundbreaking work on silica-based sols transforming industrial processes, especially in paper production. Her inventive spirit and collaborations continue to drive advancements in materials science, reinforcing the importance of innovation in addressing contemporary challenges.