Location History:
- Porz-Wahn, DE (1977)
- Kolen, DE (1998)
- Koln, DE (1995 - 2000)
- Cologne, DE (1984 - 2004)
Company Filing History:
14 out of 580 
7 out of 658 
4 out of 1,678 Years Active: 1977-2004
Title: The Innovative Mind of Marcel Feld in Cologne, Germany
Introduction
Marcel Feld is a prominent inventor based in Cologne, Germany, known for his significant contributions to the field of chemistry. With a remarkable portfolio of 28 patents, Feld has made strides in developing processes and compounds that have substantial applications, particularly in the pharmaceutical and agrochemical industries.
Latest Patents
Among his noteworthy contributions, Feld holds a patent for a process of preparing cyclopropanecarboxylates of lower alcohols. This process involves the esterification of cyclopropanecarboxylic acids with lower alcohols, utilizing an acid catalyst and maintaining a considerable stoichiometric excess of the acid. The reaction takes place at temperatures ranging from 100 to 200 °C, allowing for the distillation of the cyclopropanecarboxylate along with the generated water and minor alcohols. These cyclopropanecarboxylates serve as valuable intermediates in various sectors, enhancing the efficacy and safety of pharmaceutical and agricultural products. Additionally, he has worked on the synthesis of enantiomerically enriched malonic acid monoesters that are substituted by a tertiary hydrocarbon radical, further showcasing his innovative prowess.
Career Highlights
Feld's career includes significant roles at prestigious companies, including Hüls Aktiengesellschaft and Dynamit Nobel Aktiengesellschaft. His work in these organizations has contributed to the advancement of chemical processes and product development. Marcel Feld has consistently demonstrated a commitment to innovation, allowing him to secure a diverse array of patents that address complex challenges within his field.
Collaborations
Throughout his career, Marcel has collaborated with esteemed colleagues, including Wolfgang Kleemiss and Manfred Kaufhold. These partnerships have not only enhanced his own work but have also facilitated the development of groundbreaking solutions in their respective areas of expertise.
Conclusion
Marcel Feld stands out as a notable inventor whose work has significantly impacted the field of chemistry. With his impressive portfolio and collaborative spirit, he continues to push the boundaries of innovation, contributing to advancements that benefit various industries. As developments in chemistry evolve, Feld's contributions remain integral to the foundation of future innovations.