Gerard R Sirand-Rey

Title: Innovations of Gerard R Sirand-Rey

Introduction

Gerard R Sirand-Rey is a notable inventor based in Chalon sur Saone, France. He has made significant contributions to the field of development compositions and measuring devices, holding a total of 4 patents. His work primarily focuses on enhancing the efficiency and accuracy of developing agents used in various applications.

Latest Patents

One of his latest patents is an "Automatic measuring device for the concentration of a developing agent." This innovative device features a voltage generator that produces voltage ramps to feed a three-electrode cell. It includes a potentiostat to maintain a constant potential difference between two electrodes and a peak detector to identify the maximum current flowing in the cell, which corresponds to the concentration of the developing agent. Additionally, a display unit shows the maximum current for easy monitoring.

Another significant patent is the "Method for controlling the activity of an inorganic development." This method involves measuring variations in optical density difference of a development composition that contains an organometallic complex as a developing agent. The method allows for the regeneration of the development composition through an electrolysis current, enhancing its usability. A device associated with this method includes two light-emitting diodes of different wavelengths, with photodiodes to receive the transmitted light.

Career Highlights

Gerard R Sirand-Rey is currently associated with Eastman Kodak Company, where he applies his expertise in developing innovative solutions. His work has contributed to advancements in the field of photography and imaging technologies.

Collaborations

Throughout his career, Gerard has collaborated with notable professionals, including Guy Claude Travot and Claude G Goumont. These collaborations have fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Gerard R Sirand-Rey is a distinguished inventor whose contributions to the field of development compositions and measuring devices have made a significant impact. His innovative patents and collaborations reflect his commitment to advancing technology in his area of expertise.