This inventor holds 2 USPTO granted patents. Top assignees: Degussa Aktiengesellschaft, Forschungszentrum Juelich Gmbh. Active years: 1994-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Bonn, DE (1994)
- Frankfurt-am-Main, DE (1999)
Company Filing History:
2 out of 1,694 
1 out of 205 
Years Active: 1994-1999
Title: Innovations of Andreas Fischer
Introduction
Andreas Fischer is a notable inventor based in Bonn, Germany. He has made significant contributions to the field of membrane fuel cells and peptide synthesis. With a total of 2 patents, his work showcases innovative approaches to complex scientific challenges.
Latest Patents
Fischer's latest patents include a gas diffusion electrode for membrane fuel cells and a method for enzymatic preparation of protected and unprotected di- or oligopeptides. The gas diffusion electrode is designed to enhance performance by utilizing a finely divided electrocatalyst dispersed in a proton-conducting ionomer. This electrode boasts a total porosity of more than 40% to less than 75%, leading to improved performance data compared to existing electrodes. The production process involves using pore-forming materials that dissolve during the re-protonation of ion-conducting polymers with sulfuric acid or decompose under heat. His second patent focuses on synthesizing protected and unprotected di- or oligopeptides through a reaction involving N-terminally protected α-amino acid alkyl esters in the presence of a hydrolase. This method emphasizes high concentrations of substrates and specific enzyme ratios to optimize the reaction.
Career Highlights
Throughout his career, Andreas Fischer has worked with prominent organizations such as Degussa Aktiengesellschaft and Forschungszentrum Juelich GmbH. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in his field.
Collaborations
Fischer has collaborated with notable colleagues, including Hartmut Wendt and Ralf Zuber. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and expertise.
Conclusion
Andreas Fischer's contributions to the fields of membrane fuel cells and peptide synthesis highlight his innovative spirit and dedication to scientific advancement. His patents reflect a commitment to improving existing technologies and developing new methodologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile