Company Filing History:
8 out of 2,170 
1 out of 200 
1 out of 2,342 
Years Active: 1977-2006
Title: The Innovative Path of Frederick J Antosz
Introduction
Frederick J Antosz, a prominent inventor based in Kalamazoo, MI, has significantly contributed to the field of pharmaceuticals with a total of ten patents to his name. His work primarily focuses on novel compounds and processes that are essential for pharmaceutical development.
Latest Patents
Among his latest innovations, Antosz has developed a crystal form of 17β-hydroxy-7α-(5'-methyl-2′-furyl)-pregna-4,9(11)-dien-3-one-21-carboxylic acid, γ-lactone. This invention serves as an important intermediate in the preparation of eplerenone, a notable pharmaceutical compound. Another significant patent by Antosz involves a process for preparing valuable steroid intermediates, including 9α-hydroxyandrost-4-ene-17β-ol-3-one (9α-OH testosterone) and 9α-hydroxy-3-ketobisnorchol-4-en-22-ol (9α-OH BN alcohol). These compounds are produced through microbiological conversion of steroids that have 17-alkyl side chains of 8 to 10 carbons.
Career Highlights
Frederick J Antosz has had a distinguished career working for well-respected companies such as The Upjohn Company and Pharmacia Corporation. His dedication to innovation in the pharmaceutical sector has led him to develop multiple technologies that enhance drug formulation processes and efficacy.
Collaborations
Throughout his career, Antosz has collaborated with notable colleagues, including Merle G Wovcha and John M Beaton, both of whom have also made significant contributions to the field of pharmaceuticals. These partnerships have allowed for a rich exchange of ideas and have propelled advancements that benefit the industry as a whole.
Conclusion
In conclusion, Frederick J Antosz’s inventive prowess and commitment to pharmaceutical innovation have paved the way for new advancements in drug development. With a portfolio of patents that attest to his expertise and creativity, Antosz continues to be a notable figure in the realm of scientific innovation. His contributions not only advance the field but also help in addressing critical health needs globally.