Company Filing History:
Years Active: 1992-1994
Title: The Innovative Contributions of William J. Andrews
Introduction
William J. Andrews is a notable inventor based in Hazelwood, MO (US). He has made significant contributions to the field of catalysis, particularly in the production of maleic anhydride. With a total of 3 patents to his name, Andrews has demonstrated a commitment to advancing chemical processes through innovative solutions.
Latest Patents
Andrews' latest patents include groundbreaking work on catalysts for the production of maleic anhydride. One of his notable inventions involves a phosphorus vanadium oxide catalyst designed for the oxidation of a C.sub.4 hydrocarbon. This catalyst features a shaped body with a volume of at least about 0.02 cc and includes a promoter selected from various elements such as Bi, Sb, Ge, Ti, Zr, La, Ce, Ni, Zn, U, Sn, and Si. The catalyst is engineered to achieve a developed surface area of at least about 28 m²/g, demonstrating impressive productivity metrics when exposed to specific gas conditions.
Another significant patent focuses on an activated porous phosphorus/vanadium oxide catalyst, which is tailored for the catalytic oxidation of hydrocarbons to produce carboxylic acid anhydrides. This catalyst boasts a B.E.T. surface area of at least about 15 m²/g and is characterized by a specific average vanadium oxidation state and pore volume. The preparation methods for this catalyst involve innovative techniques that enhance its performance and efficiency.
Career Highlights
Throughout his career, William J. Andrews has worked with prominent companies such as Monsanto Company and Huntsman Specialty Chemicals Corporation. His experience in these organizations has allowed him to refine his expertise in catalysis and chemical engineering, contributing to the development of advanced materials and processes.
Collaborations
Andrews has collaborated with notable colleagues, including Jerry R. Ebner and Timothy R. Felthouse. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of catalysis.
Conclusion
William J. Andrews stands out as a significant figure in the realm of chemical innovation. His patents and contributions to catalysis reflect a deep understanding of chemical processes and a commitment to advancing the industry. His work continues to influence the development of efficient and effective catalytic systems.
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