Company Filing History:
Years Active: 1984
Title: Siegfried N/o/ Etzel: Innovator in Waste Paper De-Inking Technology
Introduction
Siegfried N/o/ Etzel is a notable inventor based in Wilhelmsfeld, Germany. He has made significant contributions to the field of waste paper recycling, particularly through his innovative processes and compositions for de-inking waste paper. His work has implications for both environmental sustainability and the paper industry.
Latest Patents
Siegfried N/o/ Etzel holds 1 patent for his invention titled "Process of and composition for de-inking waste paper as well as paper." This novel and economical process involves subjecting waste paper to a flotation de-inking process. The addition of specific phosphonic acid compounds to the de-inking bath considerably increases the degree of whiteness of the reclaimed paper. Furthermore, hydroxy carboxylic acids, amino carboxylic acids, polycarboxylic acids, and magnesium sulfate may also be incorporated into the de-inking bath containing the phosphonic acids.
Career Highlights
Siegfried N/o/ Etzel is associated with Benckiser-Knapsack GmbH, where he has applied his expertise in developing innovative solutions for waste paper recycling. His work has been instrumental in advancing the efficiency and effectiveness of de-inking processes.
Collaborations
Throughout his career, Siegfried has collaborated with notable colleagues, including Margarete Scholl and Heinz Ballreich. These collaborations have contributed to the development and refinement of his innovative processes.
Conclusion
Siegfried N/o/ Etzel's contributions to the field of waste paper de-inking technology highlight his commitment to innovation and sustainability. His patented processes not only enhance the quality of reclaimed paper but also promote environmentally friendly practices in the paper industry.