Goes, Netherlands

Andries Jelsma

This inventor holds 1 USPTO granted patent. Top assignee: Hoechst Aktiengesellschaft. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andries Jelsma. Retrieved from https://idiyas.com/inventor/andries-jelsma

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovative Journey of Andries Jelsma

Introduction: Andries Jelsma, an accomplished inventor based in Goes, Netherlands, has made significant contributions to the field of chemical engineering. His solitary patent showcases an innovative process for creating alkali metal phosphate solutions with minimal vanadium content, highlighting his expertise and dedication to research and development.

Latest Patents: Jelsma's patent, titled "Process for Making Alkali Metal Phosphate Solutions Containing Little Vanadium," outlines a method for producing alkali metal phosphate solutions derived from phosphoric acid that contains vanadium. This process establishes a negative redox potential in the phosphoric acid through the addition of a reductant. Following this, the acid is partially neutralized while maintaining an alkali metal-phosphorus-molar ratio between 0.85 and 1.0. The innovation lies in the meticulous process, which includes a second neutralization stage that increases the molar ratio to values between 1.9 and 2.1, allowing for the careful processing of collected precipitate.

Career Highlights: Andries Jelsma is associated with Hoechst Aktiengesellschaft, a sophisticated company that operates within the chemical sector, focusing on innovative solutions and product development. His accomplishments are marked not only by his patent but also by his commitment to advancing chemical processes that are environmentally efficient and commercially viable.

Collaborations: In his professional journey, Jelsma has collaborated with notable colleagues like Johannes-Wilhelmus Kinneging and Wouter Roos, enhancing his innovations through teamwork and shared expertise within the field. Their collective efforts have served as a catalyst for progress in their respective research areas.

Conclusion: Andries Jelsma stands as a significant figure in the realm of innovation, demonstrating how dedicated research can lead to breakthroughs in chemical processes. His contributions through patenting new methods not only reflect his ingenuity but also underline the vital role of collaboration in driving scientific advancement. Jelsma's journey continues to inspire those in the field of inventions and chemical engineering.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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