Location History:
- Manchester, EN (1976 - 1977)
- St. Albans, GB (1990 - 2001)
Company Filing History:
Years Active: 1976-2001
Title: The Innovations of John L. Leng
Introduction
John L. Leng is a distinguished inventor based in St. Albans, GB, with a prolific portfolio of 9 patents to his name. His groundbreaking work primarily revolves around the composition and extraction of metal values, showcasing his expertise in the field of chemical engineering and material sciences.
Latest Patents
Among his latest inventions, John Leng has developed innovative compositions aimed at improving the extraction of metal values from aqueous solutions. One notable patent describes a composition that includes at least one o-hydroxyaryloxime containing at least 5 aliphatic or alicyclic carbon atoms and at least one ester with 10 to 30 carbon atoms. This composition significantly enhances the process of extracting metals, particularly copper, from aqueous solutions of metal salts. Another recent patent outlines a specific process for extracting metal using the aforementioned compositions, emphasizing their efficiency and effectiveness in various chemical applications.
Career Highlights
Throughout his impressive career, John has made significant contributions while working for reputable companies such as Imperial Chemical Industries Limited and Zeneca Limited. His roles at these organizations have allowed him to apply his innovative ideas and collaborate with fellow professionals in the industry, furthering advancements in metal extraction technologies.
Collaborations
John L. Leng has had the privilege of working alongside esteemed colleagues, including Raymond F. Dalton and Thomas Douglas Baron. These collaborations have fostered a creative environment that has contributed to the development of groundbreaking technologies and improved methodologies in the field of metal extraction.
Conclusion
John L. Leng's innovative work in metal extraction and his portfolio of patents reflect his dedication and expertise as an inventor. His collaborations and experiences with major companies have not only driven his success but also contributed to advancements in the industry. As he continues to develop new solutions, John remains a prominent figure in the realm of innovations, shaping the future of chemical engineering and material sciences.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.