This inventor holds 4 USPTO granted patents. Top assignees: Allnew Chemical Technology Company, Other. Active years: 1990-2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Taipei City, TW (2006)
- Taipei, TW (1990 - 2021)
Company Filing History:
1 out of 5 
3 out of 834,513 Years Active: 1990-2021
Title: Innovations of John K Lee in Cementitious Materials
Introduction
John K Lee is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of cementitious materials, focusing on enhancing their properties through innovative methods. With a total of 4 patents, his work has garnered attention for its practical applications and environmental benefits.
Latest Patents
One of John K Lee's latest patents involves producing cementitious materials with improved hydrophobicity and strength using reclaimed waste substances. This hydrophobic admixture is designed for cement paste, mortar, and concrete. It includes solid polymer particles coated with a hydrophobic agent and surfactant. These solid polymer particles adhere to the exterior surfaces of hydrated cement particles within the cement matrix. They effectively deliver the hydrophobic agent into the hydrophilic cement matrix, ensuring uniform distribution throughout. The solid polymer particles can be derived from crumb rubber particles, recycled plastics, and similar materials. The hydrophobic liquid agent is sourced from waste lubricant oil, spent motor oil, base oil, and vegetable oil, among others. Additionally, fine particles such as activated carbon and silica fume can be used to fill large pores or cracks in the cementitious matrix. The resulting cured materials exhibit high contact angles and impressive compressive strengths.
Career Highlights
Throughout his career, John K Lee has worked with various companies, including Allnew Chemical Technology Company. His expertise in the field has allowed him to develop innovative solutions that address both performance and sustainability in construction materials.
Collaborations
John K Lee has collaborated with notable individuals in his field, including Maw-Tien Lee and Zih-Yao Shen. These partnerships have contributed to the advancement of his research and the successful implementation of his inventions.
Conclusion
John K Lee's contributions to the field of cementitious materials demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of material science and a dedication to improving construction practices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile