Location History:
- Battenberg/Pfalz, DE (1992)
- Battenberg, DE (1989 - 1995)
- Battenberg/Pflaz, DE (1995)
Company Filing History:
9 out of 140 
1 out of 10 Years Active: 1989-1995
Title: The Innovations of Hans W Kleffner
Introduction
Hans W Kleffner is a notable inventor based in Battenberg, Germany. He has made significant contributions to the field of chemistry and food science, holding a total of 10 patents. His work focuses on innovative food products and chemical processes that have practical applications in various industries.
Latest Patents
Among his latest patents is a food product that contains an effective amount of a water-soluble alkali metal or ammonium huminate. This product is synthetically produced by the oxidation of multi-valent phenolic compounds, which is sufficient to protect the gastric and intestinal regions of warm-blooded animals. Another significant patent involves the preparation of isomer-free 2,5-dichloropyridine. This process includes alkoxylating 2-chloropyridine or 2-bromo-pyridine in the presence of a base at elevated temperatures, followed by chlorination with gaseous chlorine and further treatment to yield a high-purity product.
Career Highlights
Kleffner has worked with prominent companies such as Ruetgerswerke Aktiengesellschaft, where he contributed to various innovative projects. His expertise in chemical processes has been instrumental in advancing the company's research and development efforts.
Collaborations
Throughout his career, Hans W Kleffner has collaborated with notable colleagues, including Winfried Orth and Wolfgang Weiss. These partnerships have fostered a creative environment that has led to numerous advancements in their respective fields.
Conclusion
Hans W Kleffner's contributions to innovation in food products and chemical processes highlight his importance as an inventor. His patents reflect a commitment to improving health and safety in food consumption, showcasing the impact of his work on both industry and society.