Sittard, Netherlands

Tjay Tjien Tjioe

This inventor holds 11 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 1 EPO patent. Top assignees: Dsm N.v., Dsm IP Assets B.v.. Active years: 2000-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tjay Tjien Tjioe. Retrieved from https://idiyas.com/inventor/tjay-tjien-tjioe

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

USPTO Granted Patents = 11 

% Patents Active = 72.7

 

 

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 2000-2009

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11 patents (USPTO):Explore Patents

Title: Tjay Tjien Tjioe: Innovator in Melamine and Urea Processes

Introduction

Tjay Tjien Tjioe is a notable inventor based in Sittard, Netherlands. He has made significant contributions to the field of chemical engineering, particularly in the preparation of melamine and the enhancement of urea plant capacities. With a total of 11 patents to his name, Tjay has established himself as a key figure in his industry.

Latest Patents

Among his latest patents is a process for the preparation of melamine. This innovative method involves a first mixing step where at least two melamine-containing flows, originating from different processes, are brought into contact to form a mixture. In one embodiment, one flow contains melamine from a low-pressure gas-phase process, while the other contains melamine from a high-pressure liquid-phase process. Another significant patent focuses on increasing the capacity of a urea plant. This process includes a compression section, a high-pressure synthesis section, and a urea recovery section. The capacity is enhanced by installing a melamine plant, allowing for the integration of urea melt and residual gases back into the urea plant's processes.

Career Highlights

Tjay Tjien Tjioe has worked with prominent companies such as DSM N.V. and DSM IP Assets B.V. His experience in these organizations has allowed him to develop and refine his innovative processes, contributing to advancements in chemical manufacturing.

Collaborations

Throughout his career, Tjay has collaborated with notable colleagues, including Hubertus J. M. Slangen and Eric Grolman. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tjay Tjien Tjioe's contributions to the fields of melamine and urea processing highlight his role as a leading inventor. His patents reflect a commitment to advancing chemical engineering practices, making a lasting impact on the industry.

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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