Location History:
- La Chapelle / Erdre, FR (2009)
- La Chapell sur Erdre, FR (2011)
- La Chapelle-sur-Erdre, FR (2010 - 2017)
Company Filing History:
4 out of 5,072 
1 out of 31 
1 out of 3 
Years Active: 2009-2017
Title: Yves Piffard: Innovator in Electrochemical Devices and Polymer Technology
Introduction
Yves Piffard is a notable inventor based in La Chapelle-sur-Erdre, France. He has made significant contributions to the fields of electrochemical devices and thermoplastic polymers. With a total of 4 patents to his name, Piffard's work showcases his innovative spirit and technical expertise.
Latest Patents
One of Piffard's latest patents is an electrochemical device comprising a proton-conducting ceramic electrolyte. This invention utilizes a ceramic of the formula BaMInM'O(OH), where M represents at least one metal cation with an oxidation number II or III, and M' represents at least one metal cation with an oxidation number III, IV, V, or VI. The device operates effectively at temperatures between 200°C and 600°C, making it suitable for applications such as fuel cells, electrolytic cells, and hydrogen detectors. Another significant patent involves the extrusion of a thermoplastic polymer bearing acid ionic groupings. This process includes preparing a mixture of a thermoplastic polymer with acid ionic groups and a plasticizer, followed by extruding the mixture to form a film and washing it in an aqueous medium to remove the plasticizer.
Career Highlights
Throughout his career, Yves Piffard has worked with esteemed organizations such as the Centre National de la Recherche Scientifique and the Institut National Polytechnique de Grenoble. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in his fields of expertise.
Collaborations
Piffard has collaborated with notable colleagues, including Olivier Joubert and Maria Teresa Caldes-Rouillon. These partnerships have likely enriched his research and development efforts, fostering a collaborative environment for innovation.
Conclusion
Yves Piffard's contributions to electrochemical devices and polymer technology highlight his role as a significant inventor in these fields. His patents reflect a commitment to advancing technology and improving existing processes.
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.