Joan E Sudbury-Holtschlag

Title: Joan E Sudbury-Holtschlag: Innovator in Lithography and Polyurethane Foam Technologies

Introduction

Joan E Sudbury-Holtschlag is a notable inventor based in Saginaw, MI (US). She has made significant contributions to the fields of lithography and polyurethane foam technologies. With a total of 4 patents to her name, her work has had a considerable impact on various industrial applications.

Latest Patents

One of her latest patents involves lithography processes using phase change compositions. This innovative method includes several steps, such as filling a mold with a phase change composition at a temperature above its phase change temperature, hardening the composition to form a patterned feature, and separating the mold from the feature. Additionally, the process may involve etching and cleaning the mold, allowing for reuse. Another significant patent focuses on silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents. This method entails reacting a polyisocyanate and a polyol in the presence of a urethane catalyst, a blowing agent, and a silicone surfactant, which enhances the foam's properties.

Career Highlights

Throughout her career, Joan has worked with prominent companies such as Dow Corning Corporation and Air Products and Chemicals, Inc. Her experience in these organizations has allowed her to develop and refine her innovative techniques in material science.

Collaborations

Joan has collaborated with talented individuals in her field, including Gary E LeGrow and Wei Chen. These partnerships have contributed to her success and the advancement of her inventions.

Conclusion

Joan E Sudbury-Holtschlag is a pioneering inventor whose work in lithography and polyurethane foam technologies continues to influence the industry. Her patents reflect her commitment to innovation and excellence in her field.