Charleston, WV, United States of America

John E Sawyer

USPTO Granted Patents = 3 

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2015-2017

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3 patents (USPTO):Explore Patents

Title: The Innovative Journey of John E. Sawyer

Introduction

John E. Sawyer, based in Charleston, WV, is an accomplished inventor with a remarkable portfolio of three patents. His work primarily focuses on sustainable chemical processes, contributing significantly to the development of renewable resources in the production of acrylic acids and acrylate esters. Sawyer's innovative approaches highlight the potential of environmentally friendly practices in chemical manufacturing.

Latest Patents

John E. Sawyer's latest patents showcase his expertise in creating technical-grade acrylic acid derived from renewable resources. His first patent involves a process to produce acrylic acid and acrylate esters from lactide using a base catalyst system. This innovative method utilizes the reaction of lactide with methyl acetate to form methyl 2-acetoxypropionate, which is subsequently pyrolyzed to yield methyl acrylate and acetic acid. This efficient process ultimately results in a 'green' acrylic acid and/or methyl acrylate ester.

In another significant patent, Sawyer developed a method for producing acrylic acid from lactide using a homogeneous nickel catalyst system. This process reacts lactide with acetic acid to form 2-acetoxypropionic acid, which is then pyrolyzed to produce acrylic acid and acetic acid. The process, requiring careful distillation and purification, culminates in the generation of renewable acrylic acid and methyl acrylate esters, reinforcing Sawyer's commitment to sustainable innovation.

Career Highlights

Throughout his career, John E. Sawyer has made significant contributions in the field of polymer chemistry, particularly through his association with SGA Polymers, LLC. His expertise in chemical processing and sustainable practices has propelled him into a position of respect within the industry.

Collaborations

Sawyer has worked alongside notable colleagues such as Olan Stanley Fruchey and Thomas A. Malisezewski, which has further enriched his professional journey. These collaborations have fostered an environment of innovation, leading to groundbreaking approaches in developing renewable chemical processes.

Conclusion

John E. Sawyer stands out as a pioneering inventor whose work profoundly impacts the field of sustainable chemistry. His innovative patents not only contribute to the production of eco-friendly acrylic acids but also serve as a testament to the potential of renewable resources. As he continues to explore new frontiers in the chemical industry, Sawyer remains a key figure in the advancement of environmentally responsible processes.

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