This inventor holds 3 USPTO granted patents. Top assignee: Dynamit Nobel Aktiengesellschaft. Active years: 1976-1984.
Location History:
- Bonn-Bad Godesberg, DE (1976 - 1978)
- Bonn, DE (1984)
Company Filing History:
Years Active: 1976-1984
Title: The Innovative Contributions of Fritz Englander
Introduction
Fritz Englander is a notable inventor based in Bonn, Germany. He has made significant contributions to the field of chemistry, particularly in the preparation of valuable chemical intermediates. With a total of 3 patents to his name, Englander's work has had a lasting impact on various industries.
Latest Patents
Englander’s latest patents include a method of preparing terephthalic aldehyde and isophthalic aldehyde. This method involves chlorinating the side chain of p-xylene or m-xylene to a chlorination degree of 2.5 to 3.5. The so-chlorinated product is then contacted with hexamethylenetetramine in aqueous solution at elevated temperatures to obtain the corresponding aldehyde. Another significant patent is the method of preparing phthalide through hydrogenolysis of 3-chlorophthalide in the presence of a noble metal catalyst. This process is carried out in the absence of HCl acceptor, resulting in phthalide, which serves as a valuable chemical intermediate for the manufacture of dyes, plant protecting agents, and pharmaceuticals.
Career Highlights
Fritz Englander is currently associated with Dynamit Nobel Aktiengesellschaft, a company known for its innovative chemical solutions. His work at the company has allowed him to explore and develop methods that enhance the efficiency and effectiveness of chemical production.
Collaborations
Englander has collaborated with esteemed colleagues such as Klaus-Dieter Steffen and Jurgen Amort. These collaborations have fostered an environment of innovation and have contributed to the advancement of their respective fields.
Conclusion
Fritz Englander’s contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His innovative methods continue to influence the production of essential chemical intermediates.