Andrew J Haddow

Title: The Innovative Contributions of Andrew J Haddow

Introduction

Andrew J Haddow is a notable inventor based in Cleveland, GB. He has made significant contributions to the field of materials science, particularly in the production of titanium dioxide and milling processes. With a total of four patents to his name, Haddow's work exemplifies innovation and efficiency in industrial applications.

Latest Patents

Haddow's latest patents include a novel process for the oxidation of titanium tetrachloride to form titanium dioxide. This process involves reacting titanium tetrachloride with oxygen at elevated pressures and temperatures above 700°C. The innovative aspect of this method is the introduction of titanium tetrachloride into the reactor at multiple points, with the first inlet being mixed with aluminum chloride and preheated to at least 450°C. This energy-efficient method eliminates the need for auxiliary heating, thus preventing impurities in the final product. Another significant patent is an improved method of milling particulate materials in a jet mill. This method allows for the material to be fed from a holding vessel under controlled pressure, enabling more energy-efficient operation of impact jet mills.

Career Highlights

Throughout his career, Andrew J Haddow has worked with Tioxide Group Services Limited and Tioxide Group, Plc. His experience in these companies has allowed him to develop and refine his innovative processes, contributing to advancements in the production of titanium dioxide and milling technologies.

Collaborations

Haddow has collaborated with various professionals in his field, including Trevor Carter, to further enhance his research and development efforts.

Conclusion

Andrew J Haddow's contributions to innovation in materials science are noteworthy. His patents reflect a commitment to energy efficiency and purity in industrial processes. His work continues to influence the field and inspire future innovations.