David L Oldroyd

Title: David L Oldroyd: Innovator in Lignosulfonate Processing

Introduction

David L Oldroyd is a notable inventor based in Toronto, Canada. He has made significant contributions to the field of lignosulfonate processing, particularly through his innovative methods that enhance the properties of lignosulfonates. His work is characterized by a focus on reducing air entrainment and viscosity in lignosulfonate compositions.

Latest Patents

David L Oldroyd holds a patent for a process titled "Process for preparing low air entraining, low viscosity lignosulfonates." This method involves several key steps: applying heat to the crude lignosulfonate composition to reduce sugar levels, mixing the composition with a source of trivalent ion to complex air entraining fatty acids and resin acids, and lowering the temperature to prevent viscosity buildup. This innovative approach has the potential to improve the efficiency and effectiveness of lignosulfonate applications.

Career Highlights

Throughout his career, David has demonstrated a commitment to advancing the science of lignosulfonates. His patent reflects his expertise and innovative thinking in this specialized area. He is associated with Borregaard AS, a company known for its focus on sustainable bioproducts and solutions.

Collaborations

David has worked alongside talented colleagues, including Martin Andresen and Guro Elise Fredheim. Their collaborative efforts contribute to the ongoing development and refinement of lignosulfonate processing techniques.

Conclusion

David L Oldroyd is a distinguished inventor whose work in lignosulfonate processing has made a significant impact in the field. His innovative methods and dedication to research continue to influence the industry positively.