Waynesboro, VA, United States of America

Willem Bakker

This inventor holds 1 USPTO granted patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Willem Bakker. Retrieved from https://idiyas.com/inventor/willem-bakker-qr2pifce

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Willem Bakker: Innovator in Spandex Technology

Introduction

Willem Bakker is a notable inventor based in Waynesboro, VA (US). He has made significant contributions to the field of materials science, particularly in the development of spandex technology. His innovative approach has led to advancements that benefit various applications, especially in the textile industry.

Latest Patents

Willem Bakker holds a patent for a "Process for dry spinning spandex." This process allows for the dry spinning of segmented polyurethaneurea at impressive speeds of up to 900 meters per minute. The method involves chain-extending an isocyanate-capped polyether glycol with a specific mixture of ethylenediamine and 1,2-diaminopropane. The inclusion of 1,2-diaminopropane, which constitutes 8 to 17 mole % of the diamine mixture, results in a spandex that is particularly well-suited for women's hosiery.

Career Highlights

Willem Bakker is associated with E.I. du Pont de Nemours and Company, a leading organization in the field of chemical manufacturing. His work has not only contributed to the company's portfolio but has also set new standards in the production of high-performance textiles.

Collaborations

Throughout his career, Bakker has collaborated with esteemed colleagues, including Richard L. Dreibelbis and Nathan E. Houser. These partnerships have fostered an environment of innovation and have led to the successful development of advanced materials.

Conclusion

Willem Bakker's contributions to spandex technology exemplify the impact of innovative thinking in the textile industry. His patented process for dry spinning spandex showcases his commitment to advancing material science. His work continues to influence the production of high-quality textiles, particularly in women's hosiery.

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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