This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2007.
Company Filing History:
1 out of 834,411 Years Active: 2007
Title: Innovations of Luis H Cumbal
Introduction
Luis H Cumbal is an accomplished inventor based in Quito, Ecuador. He has made significant contributions to the field of materials science, particularly in the development of advanced anion exchangers. His innovative work focuses on the selective removal of contaminating ligands from fluids, which has important implications for environmental remediation.
Latest Patents
Cumbal holds a patent for a "Hybrid anion exchanger for selective removal of contaminating ligands from fluids and method of manufacture thereof." This invention utilizes polymeric anion exchangers as host materials, where hydrated Fe(III) oxides are irreversibly dispersed within the exchanger beads. The anion exchangers possess positively charged quaternary ammonium functional groups, allowing anionic ligands such as arsenates, chromates, oxalates, phosphates, and phthalates to permeate in and out of the gel phase without being subjected to the Donnan exclusion effect. This innovative approach results in anion exchanger-supported HFO microparticles that exhibit significantly greater capacity to remove arsenic and other ligands compared to cation exchanger supports. The loading of HFO particles is achieved through a preliminary loading of the anion exchange resin with an oxidizing anion, followed by the passage of a ferrous sulfate solution through the resin. Cumbal's work has led to the development of a highly effective method for addressing water contamination issues.
Career Highlights
Throughout his career, Luis H Cumbal has demonstrated a commitment to advancing the field of environmental science through innovative research and development. His work has garnered attention for its practical applications in improving water quality and addressing environmental challenges.
Collaborations
Cumbal has collaborated with notable professionals in his field, including Arup K SenGupta. These partnerships have enhanced the impact of his research and contributed to the advancement of innovative solutions in environmental remediation.
Conclusion
Luis H Cumbal's contributions to the field of materials science and environmental remediation are noteworthy. His innovative patent for a hybrid anion exchanger showcases his dedication to addressing critical environmental issues. His work continues to inspire advancements in the field and highlights the importance of innovation in creating sustainable solutions.