Janelle Smiley-Wiens

Title: Janelle Smiley-Wiens: Innovator in Polymerization Catalysts

Introduction

Janelle Smiley-Wiens is a prominent inventor based in Calgary, Canada. She has made significant contributions to the field of polymerization catalysts, holding a total of 6 patents. Her work focuses on the development of advanced materials that enhance the efficiency of chemical processes.

Latest Patents

Among her latest patents is the invention of cyclopentadienyl/adamantyl phosphinimine zirconium and hafnium complexes. This patent describes zirconium and hafnium complexes that incorporate a cyclopentadienyl ligand, an adamantyl-phosphinimine ligand, and at least one additional ligand. The application of these complexes, in conjunction with an activator, serves as an effective olefin polymerization catalyst, particularly for the copolymerization of ethylene with alpha olefins such as 1-butene, 1-hexene, or 1-octene. Another notable patent involves a one-pot synthetic method for creating a bridged cyclopentadienyl/fluorenyl type ligand and the corresponding ansa metallocene polymerization catalyst. This innovative method allows for the preparation of a cyclopentadienide/fluorenide dianion, which is then reacted with a Group IV transition metal chloride to yield a metallocene polymerization catalyst in good yields.

Career Highlights

Janelle has worked with notable companies in the chemical industry, including Nova Chemicals. Her experience in these organizations has allowed her to refine her expertise in polymerization and catalyst development.

Collaborations

Throughout her career, Janelle has collaborated with esteemed colleagues such as P Scott Chisholm and Darryl Morrison. These partnerships have contributed to her innovative work and advancements in the field.

Conclusion

Janelle Smiley-Wiens is a trailblazer in the realm of polymerization catalysts, with a strong portfolio of patents that reflect her innovative spirit and dedication to advancing chemical processes. Her contributions continue to influence the industry and inspire future innovations.