Company Filing History:
2 out of 6,662 
1 out of 260 
1 out of 1 Years Active: 1989-1990
Title: Norbert Munch: Innovator in Leather Processing Technologies
Introduction
Norbert Munch is a notable inventor based in Kelkheim, Germany. He has made significant contributions to the field of leather processing, particularly in the area of chrome tanning. With a total of 4 patents to his name, Munch has developed innovative methods that enhance the quality and efficiency of leather production.
Latest Patents
Munch's latest patents include a process for economy chrome tanning. This process involves pretreating the pelt with 0.5 to 2% by weight of an aldehyde- or keto-carboxylic acid before conventional tanning. The final step includes finish-tanning with a mixture of chromium(III) salt, an acid-binding agent, and an aromatic di- or tricarboxylic acid. Another significant patent focuses on rendering leather hydrophobic and oleophobic. In this method, leather is treated with a resin, quaternary ammonium compound, amine, or polymer prior to impregnation with fluoro chemicals. This approach ensures uniform effectiveness of the fluoro chemicals on the leather surface.
Career Highlights
Throughout his career, Munch has worked with prominent companies such as Hoechst Aktiengesellschaft and Cassella Aktiengesellschaft. His experience in these organizations has contributed to his expertise in leather processing technologies.
Collaborations
Munch has collaborated with notable individuals in his field, including Karlheinz Fuchs and Fritz Engelhardt. These partnerships have likely enriched his work and led to further advancements in leather technology.
Conclusion
Norbert Munch's innovative contributions to leather processing, particularly in chrome tanning and hydrophobic treatments, have established him as a key figure in the industry. His patents reflect a commitment to improving leather quality and processing efficiency.