Abdisamed Sheik-Qasim

Title: The Innovative Journey of Abdisamed Sheik-Qasim

Introduction

Abdisamed Sheik-Qasim is a prominent inventor based in Etobicoke, Canada, recognized for his significant contributions to the field of toner compositions and processes. With a total of 12 patents to his name, Sheik-Qasim's work has made a notable impact, especially in enhancing the efficiency and quality of toner products in the printing industry.

Latest Patents

Among his most recent innovations, Abdisamed Sheik-Qasim has developed two key patents that stand out. The first is titled "Toner Compositions Comprising Crystalline Polyester and Wax." This invention outlines a hybrid toner that consists of a core made from at least one amorphous polyester resin, one crystalline polyester resin, and a styrene/acrylate resin. The toner also features a shell comprising a styrene/acrylate resin, wax, and optionally a pigment dispersion. Notably, the first modulated differential calorimetry scan of this hybrid toner reveals at least two melting point peaks below 80°C, with the difference between these peaks being 15°C or less.

The second patent, "Toner Processes," presents a method for preparing toner particles. This process includes aggregating a mixture of resins, an optional pigment, and an optional wax to form aggregated particles. It then involves freezing the aggregation of these particles by adjusting the pH and subsequently coalescing them to create toner particles, which are ultimately recovered for use.

Career Highlights

Abdisamed Sheik-Qasim has made significant strides in his career while working at Xerox Corporation. His innovative spirit and expertise have positioned him as a valuable asset in the company, contributing to the advancement of toner technology and processes that benefit various printing applications.

Collaborations

Throughout his career, Sheik-Qasim has collaborated with colleagues such as Melanie Lynn Davis and Allan K. Chen. These partnerships have fostered an environment of innovation and development, enabling the exploration of new ideas and technologies within the toner industry.

Conclusion

Abdisamed Sheik-Qasim's contributions to the field of toner innovations are notable, showcasing his commitment to advancing technology in the printing industry. With a portfolio of 12 patents and collaborative efforts with skilled colleagues, Sheik-Qasim continues to pave the way for future innovations in toner compositions and processes.