This inventor holds 6 USPTO granted patents. Top assignee: Hfm International, Inc.. Active years: 1998-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1998-2000
Title: Wiston Lamshing: Innovator in Chemical Purification
Introduction
Wiston Lamshing is a notable inventor based in Katy, TX (US). He has made significant contributions to the field of chemical purification, holding a total of 6 patents. His work focuses on methods for purifying important chemical compounds, which are essential in various industrial applications.
Latest Patents
One of his latest patents is titled "Method for purifying isophthalic acid prepared from metaxylene." This invention discloses a method for preparing isophthalic acid from metaxylene, particularly focusing on purifying crude isophthalic acid produced during this process. The method involves several steps, including filtering the dispersion to form a crude IPA filter cake, dissolving the filter cake in a selective crystallization solvent, and crystallizing purified IPA by adjusting the temperature or pressure. The preferred solvent for this process is N-methyl pyrrolidone.
Another significant patent is the "Apparatus for preparing purified terephthalic acid." This invention provides a method and apparatus for purifying crude terephthalic acid from a liquid dispersion containing various impurities. The process includes filtering the dispersion, dissolving the filter cake in a selective crystallization solvent, and crystallizing purified terephthalic acid. The invention emphasizes the use of a non-aqueous, non-corrosive solvent, also preferably N-methyl pyrrolidone, to achieve high purity levels economically.
Career Highlights
Wiston Lamshing is currently associated with HFM International, Inc., where he applies his expertise in chemical processes. His innovative approaches have contributed to advancements in the purification of chemical compounds, making significant impacts in the industry.
Collaborations
He has collaborated with notable colleagues, including Fu-Ming Lee and Randi W Wytcherley, to further enhance the research and development of purification methods.
Conclusion
Wiston Lamshing's contributions to chemical purification through his innovative patents demonstrate his commitment to advancing industrial processes. His work continues to influence the field and improve the efficiency of chemical production.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile