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Company Filing History:
Years Active: 1991-2025
Title: Bruce Raymond Hahn: Innovator in Rubber Technology
Introduction
Bruce Raymond Hahn, a notable inventor based in Hudson, OH, has made a significant impact in the field of rubber technology with his impressive portfolio of 51 patents. His innovative work primarily focuses on the formulation of silica reinforced rubber and methods for improving silica processing.
Latest Patents
Among Bruce's latest patents is a groundbreaking invention titled "Silica Reinforced Rubber." This invention is centered around the unexpected discovery of a specific combination of hydrophobating silanes and sulfur crosslinkable silanes that enhance performance characteristics in silica reinforced rubber formulations. The resulting formulations exhibit outstanding abrasion resistance and reduced hysteresis, while maintaining other crucial rubber properties. In particular, the sulfur cured rubber formulation comprises a rubbery polymer, sulfur, silica, hydrophobating silane, and crosslinkable silane, with a specific weight ratio that optimizes performance.
Another significant patent by Hahn is the "Method of Silica Pretreatment." This invention presents an advanced method to create pre-hydrophobated precipitated silica from rice hull ash silica. It is a renewable and highly efficient process that integrates nearly all of the silica coupling agent into the final product. This method involves several steps: dispersing silica in water, adding a phase transfer agent and a silica coupling agent, maintaining an appropriate temperature for reaction, and recovering the end product.
Career Highlights
Bruce Hahn is currently associated with The Goodyear Tire & Rubber Company, where his expertise contributes to advancements in tire technology and rubber applications. His prolific patent activity underscores his substantial role in the research and development of innovative rubber formulations.
Collaborations
Throughout his career, Bruce has collaborated with esteemed colleagues such as George Jim Papakonstantopoulos and Wen-Liang Hsu. These partnerships have enabled him to push the boundaries of rubber technology and achieve remarkable innovations.
Conclusion
Bruce Raymond Hahn’s contributions to rubber technology through his patents exemplify the spirit of innovation and relentless pursuit of excellence. As he continues to address challenges in material science, his work inspires future generations of inventors and researchers in the field.
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