Company Filing History:
Years Active: 2010-2011
Title: Rienk Hettema: Innovator in Polyurethane Technology
Introduction
Rienk Hettema is a notable inventor based in Sassenheim, Netherlands. He has made significant contributions to the field of polyurethane technology, holding a total of 2 patents. His work focuses on developing innovative materials that enhance the performance and application of dispersant resins.
Latest Patents
Hettema's latest patents include a polyurethane dispersant resin and a solid pigment preparation. The polyurethane dispersant resin features a polyurethane backbone with pendant hydrophilic polyalkylene oxide-based side groups. These side groups are covalently bonded to the backbone, with a polyalkylene oxide content of at least 45% by weight. Additionally, this resin incorporates pendant hydrophobic side groups, also linked via covalent bonds. His second patent, the pigment preparation, consists of at least 35% by weight of pigments and a maximum of 65% by weight of a dispersant resin. This dispersant resin has a polyester backbone with at least one pendent hydrophilic polyalkylene oxide monoalkylether group, containing 30 to 80% by weight of alkylene oxide units and a number average molecular weight ranging from 1,000 to 150,000.
Career Highlights
Rienk Hettema is associated with Akzo Nobel Coatings International B.V., a leading company in the coatings industry. His work at Akzo Nobel has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in coating technologies.
Collaborations
Throughout his career, Hettema has collaborated with notable colleagues, including Hendrik Meijer and Roelof Buter. These collaborations have fostered a creative environment that encourages the development of cutting-edge solutions in the field of coatings.
Conclusion
Rienk Hettema's contributions to polyurethane technology and his innovative patents highlight his role as a significant inventor in the coatings industry. His work continues to influence advancements in material science and application.