This inventor holds 2 USPTO granted patents. Top assignee: North Carolina State University. Active years: 1997-1999.
Company Filing History:
Years Active: 1997-1999
Title: Innovations by Joanna E Roberts
Introduction
Joanna E Roberts is an accomplished inventor based in Charlotte, NC (US). She has made significant contributions to the field of pulp and paper manufacturing through her innovative methods. With a total of 2 patents, her work focuses on improving the efficiency of processes used in the industry.
Latest Patents
Joanna's latest patents include a method of reducing the viscosity of black liquor using thiocyanate salt. This method involves collecting black liquor from a digester, concentrating it, and adding a salt to reduce its viscosity. The preferred salts for this process are thiocyanate salts. Following this, the black liquor is oxidized to produce green liquor, and a causticizer is added to create white liquor containing sodium-based salts for recycling back to the digester.
Career Highlights
Joanna E Roberts is affiliated with North Carolina State University, where she continues to advance her research and innovations. Her work has been instrumental in enhancing the sustainability of pulp and paper manufacturing processes.
Collaborations
Some of her notable coworkers include Richard J Spontak and Saad A Khan, who have collaborated with her on various projects.
Conclusion
Joanna E Roberts exemplifies the spirit of innovation in the pulp and paper industry, with her patented methods contributing to more sustainable practices. Her work not only showcases her expertise but also highlights the importance of research and development in advancing industrial processes.