This inventor holds 5 USPTO granted patents. Top assignees: Gist-Brocades N.v., Shell Internationale Research Maatschappij, B.v.. Active years: 1982-1994.
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