Stephen J Havens

Title: Celebrating the Innovations of Stephen J Havens

Introduction

Stephen J Havens is an accomplished inventor based in Knoxville, TN, who has made significant contributions to the field of epoxy resin systems. With a total of two patents to his name, Havens has focused his innovations on enhancing the properties and applications of epoxy resins through high energy processes.

Latest Patents

Havens' latest patents showcase his expertise in the application of high energy electron beam curing techniques. His first patent details a method for curing a mixture of epoxy resins, including a semi-solid triglycidyl ether of tris (hydroxyphenyl) methane and a low viscosity bisphenol A glycidyl ether. Utilizing electron beams with a dosage ranging from about 50 to about 150 kGy, this innovation leads to the formation of a cross-linked epoxy resin polymer.

In his second patent, Havens explores a toughened epoxy resin system that can be cured using high energy ionizing radiation, including electron beam radiation, X-ray radiation, and gamma radiation. This inventive method incorporates an epoxy resin, a cationic initiator, and various toughening agents, allowing for compositions with high glass transition temperatures, excellent mechanical properties, and notable toughness comparable to thermally cured epoxies.

Career Highlights

Stephen J Havens is currently affiliated with Lockheed Martin Energy Systems, Inc., where he applies his innovative ideas to significant projects in energy systems. His work reflects a dedication to advancing materials technology, particularly in areas that improve the performance and application of epoxy resins.

Collaborations

Throughout his career, Havens has collaborated with several esteemed colleagues, including Christopher James Janke and George F Dorsey. These partnerships have contributed to the development of impactful innovations within the realm of high energy materials technology.

Conclusion

Stephen J Havens stands out as an inventive force in the field of epoxy resins. His patents reflect not only his technical expertise but also his commitment to enhancing material properties through innovative applications of radiation curing techniques. The impact of his work continues to resonate within the industry, paving the way for future advancements in resin technology.