James W Chapman

Title: The Innovations of James W. Chapman

Introduction

James W. Chapman is an accomplished inventor based in Penn Hills, PA (US). He has made significant contributions to the field of materials science, particularly in the development of casting compositions. His innovative work has led to the creation of a unique fluid casting composition that incorporates low expansion glass filler.

Latest Patents

Chapman holds a patent for a fluid casting composition containing low expansion glass filler. This invention is characterized by a fluid, filled, resinous casting composition that has a viscosity below about 20,000 cp at 100°C. The composition is made from liquid resin, a resin curing agent, and up to 85 weight percent of a glassy filler. The glassy filler comprises approximately 50 to 60 weight percent of SiO₂, 12 to 22 weight percent of Al₂O₃, 5 to 15 weight percent of B₂O₃, 4 to 14 weight percent of MgO, and 2.5 to 12.5 weight percent of CaO. This innovative approach enhances the performance and application of casting materials.

Career Highlights

James W. Chapman is associated with Westinghouse Electric Corporation, where he has contributed to various projects and innovations. His work at this esteemed company has allowed him to apply his expertise in materials science and engineering.

Collaborations

Chapman has collaborated with fellow inventor James R. Gamble, working together to advance their research and development efforts in the field of casting compositions.

Conclusion

James W. Chapman is a notable inventor whose work has significantly impacted the materials science industry. His innovative patent for a fluid casting composition demonstrates his commitment to advancing technology and improving industrial applications.