Company Filing History:
Years Active: 1981-1982
Title: Innovations and Contributions of Inventor Ralph W. Lai
Introduction
Ralph W. Lai is a notable inventor based in Lexington, MA, known for his significant contributions to the field of chemistry through his patented inventions. With a total of five patents to his name, Lai has made advancements in various processes and compounds that have applications in metal extraction and ore beneficiation.
Latest Patents
One of Lai's latest patents focuses on dioxime ion exchangers. These dioxime extractants possess a specific general formula designed to optimize the extraction processes of valuable metals such as copper, nickel, and cobalt from acid or basic aqueous solutions. The dioximes are characterized by hydrocarbon radicals that can vary significantly, providing flexibility in their applications. For instance, the preferred compounds include methyl octyl dioxime and methyl hexyl dioxime, which have demonstrated effectiveness in metal extraction.
Another notable patent relates to the beneficiation of iron ore. In this innovation, isostearic acid, a liquid isomer of stearic acid, is utilized as a flotation agent in a froth flotation process. This technique allows for the concentration of iron oxide from low-grade ores by enabling the direct flotation of iron oxide away from the remaining material, improving the efficiency of iron extraction.
Career Highlights
Throughout his career, Ralph W. Lai has worked with prominent companies, including Kennecott Corporation and Kennecott Copper Corporation. His roles in these organizations have enriched his experience in the development of chemical processes related to ore extraction and metal recovery.
Collaborations
Lai’s work has been enhanced by notable collaborations with colleagues such as John K. Litchfield and Edwin L. Owen. Their joint efforts have contributed to the successful development and patenting of several innovative processes and compounds.
Conclusion
Ralph W. Lai’s patent portfolio reflects his commitment to innovation in the field of chemistry, particularly in the extraction of metals and the beneficiation of ores. His contributions continue to impact industries reliant on efficient and effective processes for metal recovery, highlighting the importance of inventors in driving advancements in technology and engineering.