Company Filing History:
Years Active: 1990
Title: The Innovative Contributions of Hans Hallgren
Introduction
Hans Hallgren is a notable inventor based in Stockholm, Sweden. He has made significant contributions to the field of paper production through his innovative patent. His work focuses on improving the retention process in the manufacture of paper, showcasing his expertise and dedication to advancing technology in this area.
Latest Patents
Hans Hallgren holds a patent related to paper production. The patent describes a process for obtaining retention in the manufacture of paper by adding a cationic, high polymer polysaccharide during the preparation of paper pulp. Additionally, it involves the use of an anionic aluminum compound or a combination of an aluminum salt and an alkali or acid to form such an anionic aluminum compound immediately prior to the head box. This process ensures that the pH before the head box is maintained at a level between 7 and 8. This innovative approach has the potential to enhance the efficiency and quality of paper production.
Career Highlights
Throughout his career, Hans Hallgren has been associated with Stfi, where he has applied his knowledge and skills to develop new methods in paper manufacturing. His dedication to innovation has led to the successful patenting of his process, marking a significant achievement in his professional journey.
Collaborations
Hans has worked alongside talented individuals such as Tom Lindstrom and Fritz Hedborg. Their collaboration has likely contributed to the development and refinement of his innovative ideas in the field of paper production.
Conclusion
Hans Hallgren's contributions to the paper production industry through his innovative patent demonstrate his commitment to advancing technology in this field. His work not only enhances the manufacturing process but also reflects the importance of innovation in driving progress.