Company Filing History:
Years Active: 1976-1977
Title: Siegfried Petersen: Innovator in Pharmaceutical Chemistry
Introduction
Siegfried Petersen is a notable inventor based in Leverkusen, Germany. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the development of analgesic and antibacterial agents. With a total of 4 patents to his name, Petersen's work has had a considerable impact on medical science.
Latest Patents
Petersen's latest patents include innovative compounds such as 3-aminoindazole-1 and 2-carboxylic acid derivatives. These compounds, which bear a carbo(lower alkoxy), lower alkylamide, or di(lower alkyl)amide group, are recognized for their analgesic, anti-inflammatory, and antipyretic properties. A typical embodiment of this invention is the 3-amino-6-chloroindazole-1-carboxylic acid ethyl ester, which is prepared through the treatment of the appropriate 3-aminoindazole with a derivative of carbonic acid or via thermal isomerization. Another significant patent involves the production of 7-acylamino-desacetoxy-cephalosporanic acid esters. These esters are produced by heating a sulfoxide of 6-acylaminopenicillanic acid ester in the presence of a phenol catalyst, resulting in intermediates useful for preparing desacetoxy-cephalosporin derivatives with antibacterial activity.
Career Highlights
Petersen is currently associated with Bayer Aktiengesellschaft, a leading global pharmaceutical and life sciences company. His work at Bayer has allowed him to focus on innovative solutions that address pressing health challenges. His contributions have been instrumental in advancing the company's research and development efforts.
Collaborations
Petersen has collaborated with several esteemed colleagues, including Uwe Petersen and Karl Heinrich Mayer. These collaborations have fostered a productive environment for innovation and have led to the successful development of various pharmaceutical compounds.
Conclusion
Siegfried Petersen's work exemplifies the spirit of innovation in pharmaceutical chemistry. His patents and collaborations have significantly contributed to advancements in medical science, showcasing the importance of research and development in improving health outcomes.