Tremelo, Belgium

Jan Willem Leenslag

This inventor holds 25 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent, primarily in Polyurethane Chemistry. Top assignees: Imperial Chemical Industries Limited, Ici Americas, Inc., Huntsman International LLC. Active years: 1989-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jan Willem Leenslag. Retrieved from https://idiyas.com/inventor/jan-willem-leenslag

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


% Patents Active = 96.0



Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 258(Granted Patents)


Location History:

  • Neerijse, BE (1989 - 1993)
  • Tremelo, BE (1993 - 2007)

Company Filing History:


Years Active: 1989-2007

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Areas of Expertise:
Polyurethane Elastomers
Flexible Polyurethane Foams
Polyisocyanate Composition
Cellular Polymers
Imino/Enamine Functionality
Reaction Injection Molding
CO2 Blown Foams
Compatibilising Agents
Polyurethane/Urea Foams
Manufacture of Foams
Foam Preparation Process
Reaction System
25 patents (USPTO):Explore Patents

Title: Jan Willem Leenslag: Innovator in Polyurethane Technologies

Introduction

Jan Willem Leenslag, based in Tremelo, Belgium, is a notable inventor with a remarkable portfolio of 25 patents. His contributions primarily focus on the development of advanced polyurethane materials, which have significant applications in various industries.

Latest Patents

Some of Jan Willem Leenslag's latest patents include innovations in polyurethane elastomers and flexible polyurethane foams. One of his patented elastomers features a polyisocyanate-based composition with a specific ratio of storage modulus at different temperatures, ensuring high performance and flexibility. Additionally, he has developed a process for creating flexible polyurethane foam that involves reacting a polyisocyanate with two different polyols, resulting in foams that maintain consistent qualities across a wide temperature range.

Career Highlights

Throughout his career, Jan has worked with esteemed companies, including Imperial Chemical Industries Limited and ICI Americas, Inc. His extensive experience in these organizations has equipped him with the expertise required to innovate and refine polyurethane technologies.

Collaborations

Jan Willem Leenslag has collaborated with esteemed professionals in the field, including Alain Parfondry and Herbert R. Gillis. Together, they have contributed to advancements in polymer science and technology, enhancing the applicability of polyurethane materials in various sectors.

Conclusion

With a robust patent portfolio and a dedication to innovation, Jan Willem Leenslag continues to make significant strides in the field of polyurethane elastomers and foams. His work not only showcases his ingenuity as an inventor but also contributes to the ongoing evolution in material sciences.

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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