Company Filing History:
4 out of 236 
1 out of 154 
Years Active: 1982-1994
Title: The Innovative Contributions of Everardus J Leenderts
Introduction
Everardus J Leenderts is a notable inventor based in Rhoon, Netherlands. He has made significant contributions to the field of pharmaceuticals, particularly in the development of cephalosporin compounds. With a total of five patents to his name, Leenderts has demonstrated a commitment to innovation and research.
Latest Patents
Leenderts' latest patents include groundbreaking work on cephem derivatives. These compounds are characterized by a cephalosporin structure that is substituted in the 7-position with a (cyclo)alkylideneammonio group. This innovation is particularly useful as intermediates in pharmaceutical applications. Another significant patent involves the preparation of 7-beta-amino-3-substituted methyl-3-cephem-4-carboxylic acid derivatives. This includes new intermediates that comprise 7-beta-(cyclo)alkylideneammonio-3-halomethyl-3-cephem-4-carboxylic acid derivatives, showcasing his expertise in chemical synthesis.
Career Highlights
Throughout his career, Leenderts has worked with prominent companies such as Gist-Brocades N.V. and Shell Internationale Research Maatschappij B.V. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in pharmaceutical research.
Collaborations
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.