Location History:
- Munich, DE (2000 - 2001)
- München, DE (2001)
Company Filing History:
2 out of 163 
1 out of 2 
4 out of 832,718 Years Active: 2000-2001
Title: The Innovative Contributions of Johannes Freudenreich
Introduction
Johannes Freudenreich is a notable inventor based in Munich, Germany. He has made significant contributions to the field of chemistry, particularly in the preparation of aldehydes and ketones. With a total of 7 patents to his name, Freudenreich's work has had a considerable impact on various industrial applications.
Latest Patents
Freudenreich's latest patents include a process for the preparation of aldehydes and ketones. This innovative process involves reacting vinyl-, alkynyl-, aryl-, and heteroarylmethyl and -methylene compounds with the aid of a mediator and an oxidant. The mediator is selected from a group of aliphatic, heterocyclic, or aromatic NO or NOH containing compounds. Another significant patent is a multi-component system for modifying, degrading, or bleaching lignin and lignin-containing materials. This system includes at least one oxidation catalyst, a suitable oxidizing agent, and a mediator chosen from N-aryl-N-hydroxyamides.
Career Highlights
Throughout his career, Freudenreich has worked with various companies, including Consortium für Elektrochemische Industrie GmbH. His expertise in chemical processes has led to advancements in the industry, showcasing his innovative spirit and dedication to research.
Collaborations
Freudenreich has collaborated with notable colleagues such as Elke Fritz-Langhals and Jürgen Stohrer. These partnerships have further enriched his work and contributed to the development of his patented technologies.
Conclusion
Johannes Freudenreich's contributions to the field of chemistry through his patents and collaborations highlight his role as an influential inventor. His innovative processes continue to shape the industry and inspire future advancements.