David Michael Dardaris

Title: David Michael Dardaris: Innovator in Ester-Substituted Diaryl Carbonates

Introduction

David Michael Dardaris is a notable inventor based in Ballston Spa, NY (US). He has made significant contributions to the field of chemistry, particularly in the preparation of ester-substituted diaryl carbonates. His innovative methods have the potential to enhance industrial processes and improve product quality.

Latest Patents

Dardaris holds a patent for a method of preparing ester-substituted diaryl carbonates. This patent describes an improved method that involves reacting phosgene with recycle streams of ester-substituted phenols. The process utilizes a tetraalkyl ammonium hydroxide catalyst, a tetraalkyl phosphonium hydroxide catalyst, or both. A key improvement in this method is the treatment of the recycle stream to reduce the concentration of trialkyl amines or trialkyl phosphines prior to the reaction with phosgene. This innovation aims to streamline the production process and enhance the efficiency of creating ester-substituted diaryl carbonates.

Career Highlights

Dardaris is associated with Sabic Innovative Plastics IP B.V., where he applies his expertise in chemical processes. His work has contributed to advancements in the field and has positioned him as a valuable asset to his company.

Collaborations

Throughout his career, Dardaris has collaborated with notable colleagues, including Paul William Buckley and Patrick Joseph McCloskey. These collaborations have fostered a productive environment for innovation and development in their respective fields.

Conclusion

David Michael Dardaris is a distinguished inventor whose work in the preparation of ester-substituted diaryl carbonates showcases his innovative spirit and dedication to advancing chemical processes. His contributions continue to impact the industry positively.