Company Filing History:
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1 out of 832,966 Years Active: 1996-2017
Title: Joseph Portier: Innovator in Ferrofluids and DNA Preservation
Introduction
Joseph Portier is a notable inventor based in Gradignan, France. He has made significant contributions to the fields of ferrofluids and DNA preservation, holding a total of 3 patents. His work has implications in various scientific and medical applications, showcasing his innovative spirit and dedication to advancing technology.
Latest Patents
Portier's latest patents include groundbreaking inventions such as "Ferrofluids stable in neutral media and modified ferrofluids." This invention relates to aqueous dispersions that comprise particles based on magnetic iron oxide with dimensions of ≤20 nm. The surface of these particles is modified by the grafting of aminated groups R, which bond covalently to the surface. The isoelectronic point of these modified particles is ≥10. This invention also details methods for producing these aqueous suspensions and modifying the surface of the particles, particularly for formulating magnetic compositions that can be administered in vivo, including injectable contrast agents for MRI.
Another significant patent is the "Method for prolonged storage of DNA molecules and packaging implementing said method." This process focuses on the long-term preservation of DNA molecules through extraction, purification, and dehumidification. It involves encapsulating the DNA in a sealed, corrosion-proof metallic capsule, ensuring its integrity over time.
Career Highlights
Throughout his career, Joseph Portier has worked with various organizations, including the Société Nationale Elf Aquitaine. His experience in these companies has contributed to his expertise and innovative capabilities in his field.
Collaborations
Portier has collaborated with notable individuals such as Guy Campet and Jean-Michel Chabagno. These partnerships have likely enriched his work and led to further advancements in his inventions.
Conclusion
Joseph Portier's contributions to the fields of ferrofluids and DNA preservation highlight his innovative approach to solving complex scientific challenges. His patents reflect a commitment to advancing technology for practical applications in medicine and research.