Company Filing History:
1 out of 242 
1 out of 20 Years Active: 1983-1987
Title: Zdenek Matejka: Innovator in Heavy Metal Separation Technologies
Introduction
Zdenek Matejka is a notable inventor based in Prague, Czech Republic. He has made significant contributions to the field of environmental technology, particularly in the separation of heavy metals from complex-forming substances. With a total of 2 patents, his work addresses critical issues in waste management and industrial processes.
Latest Patents
Matejka's latest patents include a method for separating heavy metals from complex-forming substances of aminocarboxylic acid type in aqueous solutions. This innovative method involves contacting a solution containing heavy metals in complex form with an ion exchanger that has polyethyleneimine active groups. The process allows for the displacement of free non-complexed heavy metal cations using an acid solution, followed by regeneration of the ion exchanger with an alkali hydroxide solution. This method is particularly applicable in treating wastewater from electroless copper plating processes and purifying solutions in nuclear power stations.
Another significant patent by Matejka is related to polymeric polydonor complexons. These complexons, which have more than six sites in a structural unit, are synthesized through a reaction involving a polymeric compound and a dianhydride. The resulting complexons have potential applications in various chemical processes.
Career Highlights
Throughout his career, Zdenek Matejka has worked with esteemed institutions such as the Czech Academy of Sciences and the University of Chemistry and Technology in Prague. His research has focused on developing innovative solutions for environmental challenges, particularly in the field of hydrometallurgy.
Collaborations
Matejka has collaborated with notable colleagues, including Jaroslav Kahovec and Josef Tomasek. Their joint efforts have contributed to advancements in the understanding and application of complexons in various industrial processes.
Conclusion
Zdenek Matejka's contributions to the field of heavy metal separation technologies highlight his innovative spirit and commitment to addressing environmental issues. His patents reflect a deep understanding of chemical processes and their applications in industry.