Company Filing History:
2 out of 785 
1 out of 1,929 
1 out of 5,450 
Years Active: 1992-2022
Title: Innovations and Contributions of John J Lesko
Introduction
John J Lesko is a notable inventor based in Blacksburg, VA (US). He has made significant contributions to the field of materials science, particularly in the development of advanced membranes and composite materials. With a total of 3 patents, his work has implications for water desalination and composite material technology.
Latest Patents
One of his latest patents focuses on "Sulfonated poly(arylene ether) membranes with high monovalent salt rejection even in the presence of mixed salt feeds that contain multivalent salts." This invention describes water desalination membranes and methods for desalinating water. The sulfonated poly(arylene ether) polymers disclosed in this patent are designed to prevent the transport of aqueous ionic species, such as sodium and chloride ions, while allowing water to pass through. Additionally, chlorine-stable polymers and those that exhibit good performance in rejecting monovalent cations in the presence of polyvalent cations are also described.
Another significant patent involves "Composite material having carbon fibers embedded in a polymeric matrix comprising a thermoset resin." This invention details a process where carbon fibers are precoated with a sizing agent before being embedded in the resin, enhancing the properties of the composite material.
Career Highlights
Throughout his career, John J Lesko has worked with various organizations, including Virginia Tech Intellectual Properties, Inc. and the University System of Maryland. His work has been instrumental in advancing research and development in his field.
Collaborations
John has collaborated with notable colleagues such as Judy Smith Riffle and Norman Broyles, contributing to various innovative projects and research initiatives.
Conclusion
John J Lesko's contributions to the fields of materials science and engineering are noteworthy. His patents reflect a commitment to innovation and problem-solving in critical areas such as water desalination and composite materials. His work continues to influence advancements in these important technologies.