Amsterdam, Netherlands

Martien Krijger

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Shell Oil Comapny. Active years: 2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Martien Krijger. Retrieved from https://idiyas.com/inventor/martien-krijger

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents

Title: Martien Krijger: Innovator in Polymer Polyols

Introduction

Martien Krijger is a notable inventor based in Amsterdam, Netherlands. He has made significant contributions to the field of polymer chemistry, particularly in the preparation of polymer polyols. His innovative approach has led to the development of a patented process that enhances the efficiency of polymer production.

Latest Patents

Krijger holds a patent for a "Process for preparing polymer polyols." This invention involves a detailed method for the batch or semi-batch preparation of polymer polyols. The process includes several steps: preparing a seed by polymerizing in a base polyol at least one ethylenically unsaturated monomer, adding additional monomers, and polymerizing the resulting mixture. This method is designed to optimize the production of polymer polyols, which are essential in various applications.

Career Highlights

Throughout his career, Martien Krijger has worked with prominent companies such as Shell Oil Company and Shell Internationale Research Maatschappij B.V. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and contribute to significant advancements in the field.

Collaborations

Krijger has collaborated with notable colleagues, including Willem Karzijn and Martinus Johannes Maria Lelieveld. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Martien Krijger's contributions to the field of polymer polyols through his patented process exemplify his innovative spirit and dedication to advancing polymer chemistry. His work continues to influence the industry and inspire future innovations.

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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