Company Filing History:
Years Active: 1980
Title: John J Evangelista: Innovator in Phthalate Diester Preparation
Introduction
John J Evangelista is a notable inventor based in New Boston, MI (US). He has made significant contributions to the field of chemical engineering, particularly in the preparation of phthalate diesters. His innovative approach has led to the development of a patented process that enhances the efficiency and sustainability of chemical production.
Latest Patents
Evangelista holds a patent for "Phthalic acid diester preparation with waste stream purification." This patent describes a continuous process for preparing phthalate diesters using phthalic acid or anhydride and a stoichiometric excess of saturated aliphatic alcohols containing 4 to 10 carbon atoms. The process involves several key steps, including the reaction of phthalic acid with alcohol, purification of the diester, and treatment of aqueous waste streams. The purification process ensures that the desired diester product is obtained while minimizing waste and environmental impact.
Career Highlights
John J Evangelista is associated with BASF Wyandotte Corporation, where he has applied his expertise in chemical processes. His work has contributed to advancements in the production of phthalate diesters, which are widely used in various applications, including plastics and coatings. Evangelista's innovative methods have not only improved production efficiency but also addressed environmental concerns related to chemical manufacturing.
Collaborations
Throughout his career, Evangelista has collaborated with esteemed colleagues, including Lee H Bergman and William M Herring. These collaborations have fostered a productive environment for innovation and have led to significant advancements in their respective fields.
Conclusion
John J Evangelista's contributions to the field of chemical engineering, particularly in the preparation of phthalate diesters, highlight his role as an influential inventor. His patented process demonstrates a commitment to innovation and sustainability in chemical production.