Location History:
- Kirkniemi, FI (1999 - 2003)
- Lohja as., FI (2000 - 2013)
Company Filing History:
4 out of 21 
3 out of 3 
1 out of 2 Years Active: 1999-2013
Introduction
Petri Silenius is a distinguished inventor based in Lohja, Finland, known for his significant contributions to the field of paper and board manufacturing. With a total of 11 patents, Silenius has developed innovative methods that enhance the quality and efficiency of paper production. His work is a testament to the intersection of technology and traditional manufacturing processes.
Latest Patents
Among his latest patents are notable inventions that focus on improving the properties of paper and board products. The first is the "Method for manufacturing paper and board," which involves the use of filler that maintains air permeability regardless of the filler amount. This innovative method incorporates cellulose or lignocellulose fibrils combined with light-scattering material particles, making it a cutting-edge development in the field.
Another significant patent is the "Method of producing a coated fibrous web." This invention introduces a novel process for coating a fibrous web with a coating color that includes calcium oxalate as a pigment. This specific method enables high gloss levels to be achieved using online calendering, thus eliminating the need for separate offline calendering in the production line of matte surface papers.
Career Highlights
Throughout his career, Petri Silenius has been associated with prominent companies such as M-real Oyj and Metsä-Sera. His work in these organizations has not only honed his skills as an inventor but also advanced the technologies used in the paper manufacturing industry.
Collaborations
Silenius has collaborated with notable individuals like Markku Leskela and Markku Leskelä, contributing to the exchange of innovative ideas and enhancing the outcomes of their collective work. These partnerships have helped foster a collaborative environment that encourages continued innovation in the field.
Conclusion
Petri Silenius exemplifies the spirit of innovation within the paper and board manufacturing industry. Through his eleven patents, he has made substantial advancements that enhance product quality and production processes. His continued work and collaboration with esteemed colleagues illustrate the significance of teamwork in driving innovation forward.