Stephanie Goldfein

Title: Stephanie Goldfein: Innovator in Polyurethane Technology

Introduction

Stephanie Goldfein is a notable inventor based in Pittsburgh, PA (US). She has made significant contributions to the field of polyurethane technology, particularly in the development of aqueous polyurethane dispersions. Her innovative work has implications for various applications, including coatings and adhesives.

Latest Patents

Goldfein holds a patent for a one-component polyurethane dispersion designed for vinyl windows and other substrates. This invention provides an aqueous polyurethane dispersion (PUD) that includes an amorphous polyester with a glass transition temperature of less than -30°C. The PUD exhibits a glass transition temperature ranging from 0°C to 20°C and a hard block content exceeding 50%. The coatings, adhesives, sealants, paints, primers, and topcoats derived from this PUD pass detergent resistance testing according to the American Architectural Manufacturers Association's standard, AAMA 615-13. They also achieve a pencil hardness of at least 3H according to ASTM D3363, making them particularly suitable for low surface energy substrates such as vinyl and other surfaces.

Career Highlights

Throughout her career, Goldfein has worked with prominent companies, including Covestro LLC and Covestro Deutschland AG. Her experience in these organizations has allowed her to refine her expertise in polyurethane technology and contribute to innovative solutions in the industry.

Collaborations

Goldfein has collaborated with notable professionals in her field, including Makoto Nakao and Lyubov K. Gindin. These collaborations have further enhanced her work and expanded the impact of her inventions.

Conclusion

Stephanie Goldfein is a pioneering inventor whose work in polyurethane technology has led to significant advancements in the industry. Her patented innovations continue to influence various applications, showcasing her expertise and commitment to innovation.