Michael A Wraith

Title: Michael A Wraith: Innovator in Silver Halide Emulsions

Introduction

Michael A Wraith is a notable inventor based in Stretford, GB. He has made significant contributions to the field of photographic materials through his innovative processes. His work primarily focuses on the preparation of silver halide emulsions, which are crucial in photography.

Latest Patents

Wraith holds a patent for a "Process for the preparation of a silver halide emulsion." This process involves the preparation of silver halide emulsions containing populations of monodispersed silver halide crystals. The method includes transferring an amount of these crystals from a reaction vessel to a holding vessel, allowing for the growth of remaining crystals, and combining different populations of crystals to produce a fully sensitized and concentrated silver halide emulsion. These emulsions exhibit reduced contrast and relatively high sensitivity when used in photographic materials.

Career Highlights

Michael A Wraith is associated with Ciba-Geigy AG, where he has applied his expertise in the development of photographic materials. His innovative approach has led to advancements in the quality and sensitivity of photographic emulsions.

Collaborations

Wraith has collaborated with notable colleagues, including Andrew W Yates and Brian D Harradine. Their combined efforts have contributed to the advancements in the field of silver halide emulsions.

Conclusion

Michael A Wraith's contributions to the field of photographic materials through his innovative processes have made a lasting impact. His patent for the preparation of silver halide emulsions showcases his expertise and dedication to enhancing photographic technology.