Company Filing History:
Years Active: 2000-2001
Title: Michael Francis Doherty: Innovator in Carbonate Ester Production
Introduction
Michael Francis Doherty is a notable inventor based in Montague, Massachusetts. He has made significant contributions to the field of chemical engineering, particularly in the production and separation of carbonate esters. With a total of two patents to his name, Doherty's work has implications for various industrial applications.
Latest Patents
Doherty's latest patents include a "Method of Separating Dimethyl Carbonate and Methanol" and a "Process for Continuous Production of Carbonate Esters." The first patent describes a method for separating methanol and dimethyl carbonate in a distillation column through extractive distillation. This process involves the use of an extractive distillation agent that modifies the azeotropic behavior of the dimethyl carbonate/methanol mixture. A vapor side stream is removed from the distillation column to enhance efficiency. The second patent outlines a method for the continuous production of diaryl carbonate esters. This process involves the reaction of a dialkyl carbonate and an aromatic alcohol in an extractive/reactive distillation column, utilizing a transesterification catalyst. The introduction of three reactant streams into the column allows for the efficient recovery of diaryl carbonate esters.
Career Highlights
Doherty is currently employed at General Electric Company, where he continues to innovate in the field of chemical processes. His work has contributed to advancements in the production of carbonate esters, which are essential in various applications, including pharmaceuticals and plastics.
Collaborations
Some of his notable coworkers include Michael Francis Malone and Martin H Oyevaar. Their collaborative efforts have furthered research and development in their respective fields.
Conclusion
Michael Francis Doherty's contributions to the field of chemical engineering, particularly through his innovative patents, highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future advancements in carbonate ester production.