Company Filing History:
5 out of 511 
2 out of 776 
2 out of 1,248 
Years Active: 1978-1982
Title: Filippus J Zeelen: Innovator in Steroid Chemistry
Introduction
Filippus J Zeelen is a notable inventor based in Heesch, Netherlands. He has made significant contributions to the field of steroid chemistry, holding a total of nine patents. His work focuses on the development of novel pharmacologically useful compounds.
Latest Patents
Among his latest patents, Zeelen has disclosed innovative compounds such as novel 17-amino-16-hydroxy steroids of the androstane and oestrane series. These compounds are characterized by their unique formula and include pharmaceutically acceptable non-toxic acid addition salts. Additionally, he has developed ent-16-amino-17-hydroxy-oestra-1,3,5(10)-trienes and their derivatives, which also possess significant pharmacological potential.
Career Highlights
Throughout his career, Zeelen has worked with prominent companies in the pharmaceutical industry, including Akzona Incorporated and Akzo N.V. His expertise in steroid chemistry has positioned him as a valuable asset in the development of new therapeutic agents.
Collaborations
Zeelen has collaborated with esteemed colleagues such as Marinus B Groen and Manfred Baumgarth. These partnerships have further enhanced his research and innovation in the field.
Conclusion
Filippus J Zeelen's contributions to steroid chemistry and his numerous patents underscore his role as a leading inventor in this specialized area. His work continues to influence the development of new pharmacological compounds.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.