Company Filing History:
10 out of 16,338 
1 out of 395 
Years Active: 1978-2006
Title: Gerfried Pruckmayr: Innovator in Polymer Chemistry
Introduction
Gerfried Pruckmayr is a notable inventor based in Media, PA (US), recognized for his contributions to polymer chemistry. With a total of 11 patents, he has made significant advancements in the field, particularly in the development of copolymers and block copolyethers.
Latest Patents
Among his latest patents is the invention of copolymers of tetrahydrofuran, ethylene oxide, and an additional cyclic ether. This copolymer features recurring constituent units derived from polymerizing tetrahydrofuran, ethylene oxide, and at least one additional cyclic ether, which can be either substituted or unsubstituted. This innovation effectively decreases the hydrophilicity imparted to the copolymer by the ethylene oxide. Another significant patent involves the creation of block copolyethers via oxonium coupling of poly(tetramethylene ether). This process entails treating poly(tetramethylene ether) glycols with acid catalysts at elevated temperatures, resulting in chain coupling and a rapid increase in molecular weight. Various alcohols, including diols and triols, can be incorporated into the poly(tetramethylene ether) glycol backbone, enhancing its properties and performance.
Career Highlights
Gerfried has worked with prominent companies such as E.I. DuPont de Nemours and Company and Invista North America S.a.r.l. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and contribute to various innovative projects.
Collaborations
Throughout his career, Gerfried has collaborated with esteemed colleagues, including Ivan M. Robinson and George E. Heinsohn. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.
Conclusion
Gerfried Pruckmayr's work in polymer chemistry has resulted in numerous patents that showcase his innovative spirit and technical expertise. His contributions continue to influence the industry and inspire future advancements in polymer science.