Company Filing History:
Years Active: 1984-1988
Title: The Innovations of Richard Hatfield, Jr.
Introduction
Richard Hatfield, Jr. is a notable inventor based in Pasadena, TX (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of processes for polymeric materials. With a total of 2 patents to his name, his work has had a lasting impact on the industry.
Latest Patents
Hatfield's latest patents include a process for polymeric MDA and a process for polyisocyanates. The first patent describes an improvement in preparing polymethylene polyphenyl polyamines by condensing aniline and formaldehyde in the presence of an acid catalyst. This improvement involves adding a minor proportion of a polyamine mixture to an intermediate stage of the condensation reaction. The result is a product with substantially reduced color, which enhances the quality of polyurethane products derived from it. The second patent focuses on the addition of controlled amounts of water to the reaction mixture produced by phosgenation of polymethylene polyphenyl polyamines. This process yields polyisocyanates with significantly improved properties, including lighter color and reduced viscosity, without introducing undesirable by-products.
Career Highlights
Throughout his career, Richard Hatfield, Jr. has worked with prominent companies such as The Upjohn Company and The Dow Chemical Company. His expertise in polymer chemistry has allowed him to contribute to various innovative projects and advancements in the field.
Collaborations
Some of his notable coworkers include Howard R. Steele and Nirad N. Shah. Their collaborations have further enriched the research and development efforts in polymer science.
Conclusion
Richard Hatfield, Jr. is a distinguished inventor whose work in polymer chemistry has led to significant advancements in the industry. His patents reflect a commitment to innovation and improvement in the processes of polymeric materials.