This inventor holds 5 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1977-1988.
Company Filing History:
Years Active: 1977-1988
Title: The Innovations of Hans-Lothar Dorsch
Introduction
Hans-Lothar Dorsch is a notable inventor based in Cologne, Germany. He has made significant contributions to the field of dye chemistry, holding a total of 5 patents. His work has been instrumental in developing new cationic dyestuffs that have various applications in the textile industry.
Latest Patents
Among his latest patents is a process for preparing cationic hydrazone dyestuffs. This innovation involves cationic hydrazone dyestuffs of the general formula, where R1 can represent hydrogen, C1-C4 alkyl, C1-C4 alkoxy, nitro, or halogen. Another significant patent is related to thiazolediazacyanine dyestuffs, which are cationic dyestuffs characterized by a formula where R1 represents a lower alkyl, alkenyl, or hydroxyalkyl radical.
Career Highlights
Hans-Lothar Dorsch is associated with Bayer Aktiengesellschaft, a leading global company in the pharmaceutical and life sciences sector. His work at Bayer has allowed him to focus on innovative solutions in dye chemistry, contributing to the company's reputation for excellence in research and development.
Collaborations
Throughout his career, Dorsch has collaborated with esteemed colleagues such as Roderich Raue and Karl H Hermann. These collaborations have fostered a creative environment that has led to numerous advancements in their field.
Conclusion
Hans-Lothar Dorsch's contributions to dye chemistry through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in scientific research.