This inventor holds 1 USPTO granted patent. Top assignee: Cassella Aktiengesellschaft. Active years: 1984.
Company Filing History:
Years Active: 1984
Title: The Innovations of Hans-J Weyer
Introduction
Hans-J Weyer is a notable inventor based in Frankfurt, Germany. He has made significant contributions to the field of dye chemistry, particularly in the development of water-insoluble azo dyestuffs. His work has implications for dyeing and printing synthetic hydrophobic fiber materials.
Latest Patents
Hans-J Weyer holds a patent for "Water-insoluble azo dyestuffs, processes for their manufacture and their applications." This patent focuses on the production of azo coupling compounds that are suitable for dyeing and printing synthetic materials. The formula described in the patent includes various moieties such as unsubstituted or substituted phenyl, thiazole, isothiazole, benzthiazole, thiadiazole, benzisothiazole, or thiophene, which are free from ionic moieties.
Career Highlights
Weyer is associated with Cassella Aktiengesellschaft, a company known for its innovations in chemical manufacturing. His work has contributed to advancements in dye technology, enhancing the quality and applicability of synthetic dyes in various industries.
Collaborations
Throughout his career, Hans-J Weyer has collaborated with notable colleagues, including Uwe Kosubek and Horst Tappe. These collaborations have fostered a productive environment for innovation and development in the field of dye chemistry.
Conclusion
Hans-J Weyer is a distinguished inventor whose work in azo dyestuffs has paved the way for advancements in dyeing synthetic materials. His contributions continue to influence the industry and inspire future innovations.