Joshua D Rundus

Title: **Innovative Contributions of Joshua D. Rundus in Ink Jet Technology**

Introduction

Joshua D. Rundus, an accomplished inventor located in San Dimas, CA, has made significant strides in the field of ink jet technology with a total of four patents to his name. His work focuses on developing ink jet recording media that enhances both performance and image quality, ultimately benefiting various high-speed printing applications.

Latest Patents

Rundus's most recent patent, titled "Fast drying ink jet recording medium having a humidity barrier layer," presents a groundbreaking innovation in ink jet technology. This invention comprises an ink absorbent layer situated upon a substrate, complemented by a humidity barrier layer designed to enhance the medium’s durability. The ink absorbent layer contains a blend of poly(2-ethyl-2-oxazoline), poly(vinyl pyrollidone), and a hydrophobic polymer, while the humidity barrier layer incorporates polyethylene oxide and boehmite alumina. This unique combination allows the ink jet recording medium to achieve fast drying times across varying relative humidity levels, making it particularly advantageous for high-speed printing applications.

Another notable patent by Rundus focuses on an "ink jet recording medium" featuring an ink sorptive coating. This innovation aims to improve the quality and drying time of the printed images. The ink jet medium contains a substrate with an ink sorptive layer made from a polymer or copolymer that includes polyalkyl oxazoline or polyphenyl oxazoline monomer units. Additionally, it features a hydrophilic, water-insoluble polymer containing hydroxyl groups, which collectively enhance image quality, reduce curl, and expedite the drying process.

Career Highlights

Joshua D. Rundus is currently associated with Arkwright, Inc., where he continues to pioneer advancements in ink technology. His work has not only contributed to the company’s success but also positioned him as a key figure in the research and development of innovative solutions for the ink jet printing industry.

Collaborations

Throughout his career, Rundus has collaborated with various talented professionals in the field, including Steven J. Sargeant and Shengmei Yuan. These collaborations have fostered an environment of creativity and innovation, enabling the development of cutting-edge technologies that cater to the evolving demands of the printing landscape.

Conclusion

Joshua D. Rundus stands out as a dedicated inventor whose contributions to ink jet technology have significantly enhanced the efficiency and quality of printing solutions. With his ongoing innovations and collaborative efforts, he continues to play a crucial role in shaping the future of the printing industry.