Brian Shaughnessy

Title: Brian Shaughnessy: Innovator in Photochromic Technology

Introduction

Brian Shaughnessy is an accomplished inventor based in Kilmaine, Ireland. He has made significant contributions to the field of photochromic technology, particularly through his innovative patent. His work has implications for various applications, enhancing the functionality and versatility of photochromic articles.

Latest Patents

Brian Shaughnessy holds a patent for a photochromic article that includes a substrate and a photochromic layer formed from a curable photochromic composition. This composition consists of a polyol component that includes a polycarbonate diol, an isocyanate component that includes an unblocked polyfunctional isocyanate and/or a blocked polyfunctional isocyanate, and at least one photochromic compound. Notably, the equivalents ratio of blocked/unblocked isocyanate equivalents of the isocyanate component to hydroxyl equivalents of the polyol component is at least 5:1. The photochromic article exhibits a T(Fade Half Life) at 23° C. of less than or equal to 70 seconds, showcasing its efficiency and effectiveness.

Career Highlights

Brian Shaughnessy is currently employed at Transitions Optical, Inc., where he continues to develop innovative solutions in the field of optics. His expertise and dedication to advancing photochromic technology have positioned him as a key player in the industry.

Collaborations

Throughout his career, Brian has collaborated with notable colleagues, including Joseph D. Turpen and Elizabeth Ann Zezinka. These collaborations have contributed to the development of cutting-edge technologies and have fostered a spirit of innovation within his team.

Conclusion

Brian Shaughnessy is a notable inventor whose work in photochromic technology has made a significant impact. His patent and ongoing contributions at Transitions Optical, Inc. highlight his commitment to innovation in the field.