Location History:
- Lisle, IL (US) (2000)
- Shoreview, MN (US) (2000 - 2007)
Company Filing History:
5 out of 1,167 
2 out of 286 
1 out of 1 
Years Active: 2000-2007
Title: **Innovator Spotlight: Steven John Severtson**
Introduction
Steven John Severtson, a notable inventor based in Shoreview, MN, has made significant contributions to the chemical pulping industry. With a remarkable portfolio of nine patents, he has focused primarily on methods and compositions that inhibit calcium salt scale formation during chemical processes.
Latest Patents
Two of his latest patents illustrate his innovative approach to overcoming challenges in the kraft pulping process. The first patent outlines a *method for inhibiting calcium salt scale*, emphasizing the use of selected phosphonates or phosphonate blends. These compositions are specifically designed to be combined with black liquor recovered from the digester before the pulping process. The second patent similarly details a *method for inhibiting calcium salt scale*, but this time focuses on the integration of these phosphonates in the aqueous digester composition during the digestion stage. Both patents aim to improve efficiency and effectiveness in chemical pulp processes.
Career Highlights
Throughout his career, Steven has gathered valuable experience in prominent companies such as Nalco Chemical Company and Solutia Incorporated. His work in these organizations has contributed to the development of innovative solutions within the pulping industry, showcasing his dedication to advancing chemical processing technology.
Collaborations
Steven has collaborated with notable colleagues in his field, including Jacob Owen Thompson and Sheldon Phillip Verrett. These partnerships highlight the importance of teamwork and shared knowledge in the invention process, leading to better solutions and enhanced innovation.
Conclusion
Steven John Severtson's inventive contributions to chemical pulping are noteworthy. His nine patents represent significant advancements in the inhibition of calcium salt scale formation, primarily utilized in the kraft pulping process. Through his career and collaborations, he continues to inspire innovation and progress within the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.