Company Filing History:
Years Active: 2011-2018
Title: Innovations of John Joseph Kraseski
Introduction
John Joseph Kraseski is a notable inventor based in Lexington, KY (US). He has made significant contributions to the field of toner formulations, holding a total of 9 patents. His work focuses on improving the quality and performance of toner used in electrophotographic printers.
Latest Patents
One of his latest patents is titled "Toner formulation having a silane surface treated on its outer surface and method of preparing the same." This invention describes a chemically prepared toner composition that includes a core made of a first polymer binder, a colorant, and a release agent. A shell is formed around the core, which consists of a second polymer binder. The invention also incorporates a borax coupling agent between the core and the shell, along with an alkoxysilane hydrocarbon that is bonded to the outer surface of the shell through a hydrolytic deposition process. This innovative surface treatment enhances charge stability in hot and humid environments, ultimately improving toner quality by reducing dusting, fuming, and the generation of ultra-fine particles.
Another significant patent by Kraseski is a method for producing core shell toner for electrophotography. This method involves surface treating the outer surface of a core shell toner particle with an alkoxysilane hydrocarbon using a hydrolytic deposition process after the toner particle is fully formed. This technique results in the effective bonding of the alkoxysilane to the outer surface, enhancing the toner’s performance. In an alternative method, the toner is treated with an alkoxysilane solution and then fused to create toner particles. The treated toner can also be mixed with magnetic carrier beads to form a developer mix for dual component development in electrophotographic printers.
Career Highlights
John Joseph Kraseski is currently employed at Lexmark International, Inc., where he continues to innovate in the field of toner technology. His work has significantly impacted the efficiency and effectiveness of printing solutions.
Collaborations
Throughout his career, Kraseski has collaborated with notable colleagues, including Jing X Sun and Michael James Bensing. Their combined expertise has contributed to advancements in toner formulations and electrophotographic technologies.
Conclusion
John Joseph Kraseski's contributions to toner technology through his innovative patents have greatly enhanced the quality and performance of printing solutions. His work continues to
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