William E Hollar

Title: The Innovations of William E. Hollar

Introduction

William E. Hollar is a notable inventor based in Mount Vernon, IN (US). He has made significant contributions to the field of chemical engineering, particularly in the development of flame retardant materials and the production of high-purity phosgene. With a total of 7 patents to his name, Hollar's work has had a considerable impact on various industries.

Latest Patents

Hollar's latest patents include a process for the manufacture of flame retardant polycarbonate particles. This innovative process involves combining a first solution containing polycarbonate and a phosphorus-containing flame retardant with an organic solvent. It also includes a second solution with a surfactant and an aqueous solvent that is substantially immiscible with the organic solvent. The process is designed to create an emulsion, from which an aqueous slurry containing polycarbonate particles is derived.

Another significant patent is a method and apparatus for producing high purity phosgene. This method utilizes a tube reactor where a feed of carbon monoxide and chlorine is introduced. A particulate catalyst is used within the reactor, and a thermally conductive material contacts the catalyst to produce phosgene with minimal carbon tetrachloride contamination.

Career Highlights

Throughout his career, Hollar has worked with prominent companies such as Sabic Global Technologies B.V. and SHPP Global Technologies B.V. His experience in these organizations has allowed him to refine his expertise in chemical processes and material development.

Collaborations

Hollar has collaborated with notable professionals in his field, including Pankaj Singh Gautam and Zeljko Kuzeljevic. These collaborations have contributed to the advancement of his research and innovations.

Conclusion

William E. Hollar's contributions to the field of chemical engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of flame retardant materials and chemical production processes.