This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Stora Kopparbergs Bergslags Aktiebolag (Publ), Stora Enso Aktiebolag, Stora Kopparbergs Bergslags Aktiebolaf. Active years: 1996-2008.
Company Filing History:
3 out of 7 
1 out of 4 
1 out of 1 Years Active: 1996-2008
Title: Leif Norlander: Innovator in Paper and Paperboard Laminate Technology
Introduction
Leif Norlander is a notable inventor based in Falun, Sweden. He has made significant contributions to the field of paper and paperboard laminate technology. With a total of 6 patents to his name, Norlander has developed innovative methods that enhance the properties of paper products.
Latest Patents
Norlander's latest patents focus on the development of paper or paperboard laminates. One of his inventions describes a laminate composed of at least one bulk-promoting layer, termed the bulk layer, which consists of 40-98% cellulose fibers with a freeness value of 550-950 ml CSF. This laminate features a secondary layer with greater density, joined to the bulk layer over their opposing surfaces. The laminate achieves a bending stiffness index greater than 2.5 Nm/kg but less than 14 Nm/kg, calculated as a geometric mean value for machine and cross direction. Another patent outlines a similar laminate structure, emphasizing the importance of a thin intermediate layer with higher drainage resistance, formed together with the bulk layer.
Career Highlights
Throughout his career, Leif Norlander has worked with Stora Kopparbergs Bergslags Aktiebolag, a prominent company in the paper industry. His work has focused on improving the quality and performance of paper products through innovative laminate technologies.
Collaborations
Norlander has collaborated with notable colleagues such as Annika Karlsson and Mats Fredlund. Their combined expertise has contributed to advancements in the field of paper and paperboard laminates.
Conclusion
Leif Norlander's contributions to paper and paperboard laminate technology have established him as a key figure in the industry. His innovative patents continue to influence the development of high-performance paper products.