Location History:
- Domsjoverken, SE (1976)
- Domsjo, SE (1977)
Company Filing History:
Years Active: 1976-1977
Title: Innovations of Leif Ake Smedman
Introduction
Leif Ake Smedman is a notable inventor based in Domsjoverken, Sweden. He has made significant contributions to the field of lignocellulosic material processing. With a total of two patents to his name, Smedman has focused on improving the efficiency and selectivity of delignification processes.
Latest Patents
Smedman's latest patents include a process for the delignification of lignocellulosic material. This innovative method enhances the selectivity of delignification in the presence of oxygen gas and alkali. It maintains a carbon monoxide content in the gas phase within a range of about 1% to about 12% by volume. The process involves withdrawing carbon monoxide and oxygen gas from the delignification, followed by separating and recycling the withdrawn oxygen gas. Another patent focuses on pulping lignocellulosic material with oxygen in two stages. This process aims to produce cellulose pulp of high brightness by pulping lignocellulosic material, such as wood, under superatmospheric pressure in two stages, with specific pH levels.
Career Highlights
Leif Ake Smedman is associated with Mo Och Domsjo Aktiebolag, where he has applied his expertise in lignocellulosic processing. His work has contributed to advancements in the production of cellulose pulp, which is essential for various applications in the paper and packaging industries.
Collaborations
Smedman has collaborated with notable coworkers, including Hans Olof Samuelson and Allan Geoffrey Jamieson. Their combined efforts have furthered research and development in the field of lignocellulosic material processing.
Conclusion
Leif Ake Smedman is a distinguished inventor whose work in lignocellulosic material processing has led to innovative patents that enhance the efficiency of delignification processes. His contributions continue to impact the industry positively.