Stephen John Coughlin

Title: The Innovative Mind of Stephen John Coughlin

Introduction

Stephen John Coughlin, an accomplished inventor based in Muirhead, GB, has made significant contributions to the field of pigment compositions, particularly in inks. With three patents to his name, Coughlin's work focuses on improving the rheological properties of inks, making them more efficient for various applications.

Latest Patents

Coughlin's latest patents showcase his expertise in developing advanced pigment compositions. One notable patent details a process for the preparation of pigment compositions that enhance ink flow by treating pigments with long-chain aliphatic amines. This innovation results in millbase inks that possess improved flow viscosity, allowing for easier handling and flexible formulation for different printing projects, especially in packaging gravure printing processes.

Another significant patent involves compositions and methods that improve the rheology of pigment-based inks and paints. This invention utilizes organic pigments combined with at least two normally water-soluble colored compounds of opposing charges, specifically anionic and cationic dyes. The resulting compositions are designed to enhance the performance of non-aqueous pigment-based printing inks and paints, addressing key challenges in the industry.

Career Highlights

Coughlin's career is marked by his association with Ciba Specialty Chemicals Corporation, where he has applied his knowledge to create innovative solutions in the chemical sector. His dedication to research and development has garnered him recognition for his contributions to the field of materials science.

Collaborations

Throughout his career, Coughlin has had the opportunity to collaborate with talented individuals such as Iain Frank Fraser and Thomas Healy. These collaborations have likely enriched his work, leading to groundbreaking contributions in pigment technology.

Conclusion

Stephen John Coughlin represents the spirit of innovation in materials science. His patents not only improve the quality and efficiency of inks but also reflect his commitment to advancement in the industry. With a strong foundation of collaboration and expertise, Coughlin continues to influence the future of pigment compositions and their applications.