Company Filing History:
Years Active: 1984-1994
Title: The Innovations of Lawrence G Packer
Introduction
Lawrence G Packer is a notable inventor based in Lisle, IL (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of high molecular weight polyester resins. With a total of 3 patents to his name, Packer's work has had a lasting impact on the industry.
Latest Patents
One of Packer's latest patents is a process for the manufacture of high molecular weight polyester resins. This innovative method involves reacting 2,6-naphthalene dicarboxylic acid with a molten prepolymer derived from a glycol to create a low molecular weight product. The process includes multiple steps of glycol addition to form prepolymer and polymerizing it to achieve polyester resin with midpoint glass transition temperatures above about 123°C. Another significant patent focuses on the purification of terephthalic acid, where an improved method for producing purified terephthalic acid by catalytic hydrogenation is disclosed. This method effectively controls the reduction of colored compounds during production by modulating solution hydrogen concentration during hydrogenation.
Career Highlights
Throughout his career, Lawrence G Packer has worked with prominent companies such as Amoco Corporation and Standard Oil Company (Indiana). His experience in these organizations has contributed to his expertise in polymer chemistry and innovation.
Collaborations
Packer has collaborated with notable individuals in his field, including David E James and Edward J Schlossmacher. These collaborations have likely enriched his work and led to further advancements in his research.
Conclusion
Lawrence G Packer's contributions to the field of polymer chemistry through his patents and collaborations highlight his role as an influential inventor. His innovative processes continue to shape the industry and inspire future advancements.