Jill Louise Johnson

Title: Jill Louise Johnson: Innovator in Phthalocyanine Compounds

Introduction

Jill Louise Johnson is a prominent inventor based in Grangemouth, GB. She has made significant contributions to the field of dye chemistry, particularly through her innovative processes for preparing phthalocyanine compounds. Her work has implications in various applications, including inks and printing technologies.

Latest Patents

Jill holds a patent for a process for preparing a mixture of copper phthalocyanine dyes. This process involves chlorosulphonating a copper phthalocyanine compound using a chlorosulphonating agent and condensing the product with ammonia. The resulting mixture of dyes has specific formulas and can be further modified by exchanging cations. The patent also covers the dyes obtainable from this process, compositions and inks that include these dyes, and the ink-jet printer cartridges containing these inks.

Career Highlights

Jill Louise Johnson is associated with Fujifilm Imaging Colorants, Inc., where she has been instrumental in advancing dye technology. Her expertise in the field has led to the development of innovative products that enhance the quality and efficiency of printing processes.

Collaborations

Jill has collaborated with notable colleagues, including Colin Dick Robertson and Prakash Patel. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Jill Louise Johnson's contributions to the field of phthalocyanine compounds exemplify her dedication to innovation in dye chemistry. Her work continues to influence the industry and pave the way for future advancements in printing technologies.