This inventor holds 2 USPTO granted patents. Top assignee: Ceskoslovenska Akademie Ved. Active years: 1976-1978.
Company Filing History:
Years Active: 1976-1978
Title: Josef Exner: Innovator in Biologically Active Substances
Introduction
Josef Exner is a notable inventor based in Prague, Czech Republic. He has made significant contributions to the field of biologically active substances, particularly through his innovative patents. With a total of 2 patents, Exner's work focuses on the development of compounds that enhance the release of biologically active materials.
Latest Patents
Exner's latest patents include the preparation of biologically active substances bearing -NH.sub.2 groups in polymeric form. This invention is designed for the protracted release of biologically active compounds through enzymatic cleavage within the organism. The active compound is bonded to the carboxylic group of various L-amino acids, such as β-phenylalanine and lysine, which are copolymerized with hydrophilic monomers. This copolymerization results in a biologically active substance that can be enzymatically released, allowing for controlled regulation based on the size of the side chain carrying the L-amino acid. Another significant patent is for a new compound, 1,4-diacyloxy-2,3-butanediol, which serves as a crosslinking agent in the preparation of hydrophilic polymeric gels.
Career Highlights
Exner is affiliated with the Czech Academy of Sciences, where he continues to advance research in his field. His work has been instrumental in developing new materials that have potential applications in various biomedical fields.
Collaborations
Some of his notable coworkers include Jiri Labsky and Jaroslav Drobnik, who have contributed to his research endeavors.
Conclusion
Josef Exner's innovative work in the field of biologically active substances showcases his commitment to advancing scientific knowledge and practical applications. His patents reflect a deep understanding of polymer chemistry and its potential in medicine.