This inventor holds 3 USPTO granted patents. Top assignee: Bridgestone Corporation. Active years: 1995-1996.
Company Filing History:
Years Active: 1995-1996
Title: Roy M Freeman: Innovator in Rubber Technology
Introduction
Roy M Freeman is a notable inventor based in Akron, OH (US), recognized for his contributions to rubber technology. He holds a total of 3 patents, showcasing his innovative approach to developing advanced materials for various applications.
Latest Patents
One of his latest patents is focused on a high modulus low hysteresis rubber compound specifically designed for pneumatic tires. This sulfur-vulcanizable rubber compound is devoid of peroxide components and exhibits high modulus and low hysteresis properties after vulcanization. The formulation includes approximately 25 to 55 parts by weight of polyisoprene and 75 to 45 parts by weight of a diene polymer, which can be homopolymers of conjugated diene monomers or copolymers with monoolefin monomers. Additionally, the compound contains 50 to 70 parts by weight of a reinforcing filler and at least 4 parts by weight of a curative, such as sulfur. This innovative rubber compound is designed to enhance the performance of pneumatic tires and structural components, providing run-flat operation and improved durability.
Career Highlights
Roy M Freeman has made significant strides in the field of rubber technology during his career. He is currently associated with Bridgestone Corporation, a leading company in tire manufacturing and rubber products. His work has contributed to advancements in tire performance and safety.
Collaborations
Throughout his career, Freeman has collaborated with esteemed colleagues, including William L Hergenrother and Frederick J Ravagnani. These partnerships have fostered innovation and the development of cutting-edge rubber technologies.
Conclusion
Roy M Freeman's contributions to rubber technology, particularly in the development of high-performance compounds for pneumatic tires, highlight his role as a key innovator in the industry. His work continues to influence advancements in tire safety and performance.