Company Filing History:
7 out of 394 
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1 out of 18 Years Active: 2019-2022
Title: Jesper Gabriel Van Berkel: Innovator in Polyester Film Technology
Introduction
Jesper Gabriel Van Berkel is a prominent inventor based in Amsterdam, Netherlands. He has made significant contributions to the field of polyester film technology, holding a total of seven patents. His innovative methods have paved the way for advancements in industrial and packaging applications.
Latest Patents
One of his latest patents is a method for producing polyester film that incorporates a furandicarboxylate unit. This method involves several steps, including feeding a polyester resin into an extruder, extruding the molten resin at temperatures between 250 to 310°C, and applying an electrostatic method to attach the molten resin sheet to a cooling roll. The resulting unstretched sheet is then biaxially stretched. The polyester resin used in this process is a polyethylene furandicarboxylate resin, which is composed of furandicarboxylic acid and ethylene glycol. Additionally, the resin must meet specific criteria, including an intrinsic viscosity of 0.50 dL/g or more and a melt specific resistance value at 250°C of 3.0×10⁻⁹Ω·cm or less.
Another notable patent is for a layered polyester film that boasts excellent mechanical properties, transparency, heat resistance, and gas barrier properties. This film includes a biaxially oriented polyester film made primarily from furandicarboxylic acid and ethylene glycol, with a covering layer formed on at least one surface. The film's thickness ranges from 1 μm to 300 μm, and it has a plane orientation coefficient of not less than 0.100 and not more than 0.200.
Career Highlights
Throughout his career, Jesper has worked with notable companies such as Toyobo Co., Ltd. and Furanix Technologies B.V. His work has significantly impacted the development of polyester films, enhancing their applications in various industries.
Collaborations
Jesper has collaborated with esteemed colleagues, including Jun Inagaki and Yukihiro Numata. These partnerships have further enriched his innovative endeavors and contributed to the advancement of polyester film technology.
Conclusion
Jesper Gabriel Van Berkel is a distinguished inventor whose work in polyester film technology has led to significant advancements in the field. His innovative methods and collaborations continue to influence industrial and packaging applications, showcasing the importance of his
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