Andrew Calabrese

Title: **Inventor Spotlight: Andrew Calabrese from Wexford, PA**

Introduction

Andrew Calabrese is an innovative inventor based in Wexford, Pennsylvania, renowned for his contributions to the field of specialized glass technology. With a total of two patents to his name, his work primarily revolves around the development of green privacy glass and infrared and ultraviolet radiation absorbing glass compositions.

Latest Patents

One of Calabrese's latest inventions is the **Green Privacy Glass**, which presents a green-colored, infrared and ultraviolet absorbing glass article that boasts a luminous transmittance of up to 60 percent. This glass is crafted from a standard soda-lime-silica base composition, supplemented with iron, cobalt, selenium, chromium, and titanium. These elements serve as effective infrared and ultraviolet radiation absorbing materials, imparting the glass with a unique coloration characterized by a dominant wavelength in the range of approximately 480 to 565 nanometers.

Another noteworthy patent is the **Infrared and Ultraviolet Radiation Absorbing Green Glass**. This invention utilizes a similar soda-lime-silica glass base composition, enhanced with materials such as iron, cerium, chromium, and optional titanium. The glass is designed to reflect a green hue, exhibiting properties of a dominant wavelength between 500 to 565 nanometers and maintaining a low excitation purity of no more than 5%. The meticulous formulation ensures high levels of transparency and radiation absorption, with specific metrics defined for light transmittance and ultraviolet protection.

Career Highlights

Calabrese's career has been marked by significant achievements while working at prominent companies like PPG Industries, Inc. and PPG Industries Ohio, Inc. His tenure in these organizations allowed him to develop and refine his innovative glass technologies, establishing him as a recognized inventor in the field.

Collaborations

Throughout his career, Andrew has collaborated with talented colleagues, including Larry J. Shelestak and Robert B. Heithoff. These collaborations have likely contributed to the success of his inventions, enhancing the research and development processes within their respective projects.

Conclusion

Andrew Calabrese's inventive spirit and commitment to advancing glass technology have led to two significant patents that address important challenges in radiation absorption and aesthetic design. His contributions not only enhance functional material applications but also demonstrate his ingenuity as an inventor dedicated to improving everyday products. His ongoing work inspires future innovations within the glass industry and beyond.