Location History:
- Somerset, NJ (US) (1996 - 2006)
- Bartlesville, OK (US) (2013 - 2021)
- North Olmsted, OH (US) (2016 - 2021)
Company Filing History:
22 out of 1,151 
3 out of 822 
1 out of 27 Years Active: 1996-2021
Title: Guylaine St Jean: Innovator in Polyolefin Technologies
Introduction
Guylaine St Jean, based in Bartlesville, OK, is an accomplished inventor with an impressive portfolio of 23 patents. His work primarily focuses on innovations in polymer chemistry, particularly polyolefins, which are crucial in various industrial applications.
Latest Patents
Among St Jean's latest patents is a novel formulation for medium density polyethylene compositions. This invention features an ethylene alpha-olefin copolymer characterized by a density ranging from 0.910 g/cc to 0.940 g/cc, a weight average molecular weight spanning from about 150,000 g/mol to about 300,000 g/mol, and precise melt index parameters. The resultant polymer composition yields a 1 mil blown film exhibiting exceptional Dart Impact strength exceeding 175 g/mil and robust tear strengths in both machine and transverse directions.
Another significant innovation from St Jean is the development of low-density polyolefin resins utilizing dual metallocene catalyst systems. These polymers demonstrate not only low densities and high molecular weights but also an advantageous broad molecular weight distribution. The unique design of the polymers, where the long chain branches predominantly reside in the lower molecular weight component, greatly enhances the impact and puncture resistance of films produced from them.
Career Highlights
St Jean has had a noteworthy career, contributing significantly to the field of polymer science while working with respected organizations such as Chevron Phillips Chemical Company LP and Chevron Phillips Chemical Company, LP. His expertise and innovations have positioned him as a valuable asset in the chemical engineering sector.
Collaborations
Throughout his career, Guylaine has collaborated with esteemed colleagues, including Qing R. Yang and Ashish M. Sukhadia. These partnerships have not only enriched his professional journey but also contributed to advancements in polymer technologies.
Conclusion
Guylaine St Jean exemplifies innovation in polyolefin development through his extensive patent portfolio and professional collaborations. His contributions are instrumental in advancing polymer science and its applications within the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.