This inventor holds 2 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1994-1995.
Company Filing History:
Years Active: 1994-1995
Title: Wilhelm Krummel: Innovator in Leather Retanning Technologies
Introduction
Wilhelm Krummel is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of leather processing, particularly in retanning technologies. With a total of 2 patents, his work has advanced the methods used in the leather industry.
Latest Patents
Krummel's latest patents include innovative processes for retanning chrome-tanned leather. One of his inventions involves the use of ester urethanes, which comprises applying a reaction product of glycerol monoesters, diisocyanates, and dimethylolpropionic acid to leather. This process ensures that the molar ratios of the components are carefully controlled to achieve optimal results. Another patent focuses on retanning mineral-tanned leathers using aromatic sulphonic acids and their salts, showcasing his expertise in developing effective retanning agents.
Career Highlights
Throughout his career, Wilhelm Krummel has been associated with Bayer Aktiengesellschaft, a leading company in the chemical and pharmaceutical sectors. His work has not only contributed to the company's innovations but has also set new standards in leather processing techniques.
Collaborations
Krummel has collaborated with esteemed colleagues such as Franz Schade and Henricus Slaats. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.
Conclusion
Wilhelm Krummel's contributions to the leather industry through his innovative patents and collaborations highlight his role as a key inventor in this domain. His work continues to influence the methods used in leather retanning, ensuring quality and efficiency in the industry.