Company Filing History:
Years Active: 2006-2013
Title: The Innovations of David E Severeid
Introduction
David E Severeid is an accomplished inventor based in Puyallup, WA (US). He has made significant contributions to the field of lignocellulosic biomass processing, holding a total of 2 patents. His work focuses on environmentally friendly methods for fractionating biomass materials, which are crucial for sustainable resource management.
Latest Patents
One of his latest patents is titled "Fractionation of lignocellulosic material using ionic liquids." This innovative process involves dissolving lignocellulosic materials in ionic liquids, allowing for the separation of cellulose-enriched and lignin-enriched fractions. The cellulose-enriched fraction boasts a glucose content that is approximately 10 percentage points higher than that of the original biomass. Additionally, the lignin-enriched fraction contains a lignin content that is 5 percentage points greater than the original material. Importantly, the techniques employed do not utilize environmentally harmful solvents, making this method a sustainable option for biomass processing.
Another notable patent is the "Apparatus for making carboxylated pulp fibers." This invention utilizes the wood pulp bleach plant to carboxylate wood pulp, enhancing its properties for various applications. This innovative apparatus represents a significant advancement in the processing of wood pulp.
Career Highlights
David has worked with prominent companies in the industry, including Weyerhaeuser Company Limited and Weyerhaeuser NR Company. His experience in these organizations has allowed him to develop and refine his innovative techniques in biomass processing.
Collaborations
Throughout his career, David has collaborated with notable individuals such as Richard A Jewell and Joseph Lincoln Komen. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
David E Severeid is a pioneering inventor whose work in lignocellulosic biomass processing has the potential to impact sustainable resource management significantly. His innovative patents reflect a commitment to environmentally friendly practices in the industry.