Taeko Kaharu

Title: Taeko Kaharu and Her Patent in Aqueous Dispersion Technology.

Introduction

Taeko Kaharu is an inventor associated with Chiba, Japan, and Kuraray Co., Ltd. Her patent work focuses on aqueous polymer dispersions and materials designed for coating and packaging applications.

Latest Patents

Kaharu is credited with 1 patent: “Aqueous dispersion, aqueous emulsion, coating agent, coated paper, multilayer structure, packing material, adhesive agent, and aqueous emulsion production method.” The invention describes an aqueous dispersion containing an ethylene-vinyl alcohol copolymer and cellulose nanofiber. It is intended to help produce films with improved water resistance, tensile elastic modulus, and stress at break, while reducing the decrease in strain at break. The copolymer’s ethylene content is specified as at least 1 mol% and less than 20 mol%.

Career Highlights

Kaharu’s listed patent reflects work on polymer and cellulose-based materials, with potential uses in coatings, coated paper, multilayer structures, packaging, and adhesives. The available information identifies her as an inventor associated with Kuraray Co., Ltd.

Collaborations

Yoriko Imaoka and Yuta Taoka are identified as Kaharu’s coworkers. The supplied information does not specify their roles in the patent or whether they collaborated on this invention.

Conclusion

Taeko Kaharu’s patent highlights a materials innovation combining an ethylene-vinyl alcohol copolymer with cellulose nanofiber to support improved film performance across coating and packaging applications.