This inventor holds 1 USPTO granted patent. Top assignee: Snf Sa. Active years: 2004.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2004
Title: René Hund: Innovator in Polyvinyl Amine Synthesis
Introduction
René Hund is a notable inventor based in Villars, France. He has made significant contributions to the field of polymer chemistry, particularly in the synthesis of polyvinyl amine (PVA) type flocculating and coagulating agents. His innovative work has implications across various industries, including paper production and water treatment.
Latest Patents
René Hund holds a patent for "Methods for synthesizing polyvinyl amine (PVA) type flocculating and coagulating agents, novel agents thus obtained, uses thereof and improved paper types thus obtained." This invention describes a low-temperature synthesis process for PVA polymers using vinylformamide as a monomer. The polymerization process begins at around 0°C and is initiated by a unique combination of redox and azoic catalysts. Conducted in water, the polymerization is followed by direct hydrolysis, resulting in a powdered cationic PVA of high molecular weight. The process can also be performed in an emulsion at an initiation temperature of approximately 15°C. The applications of these PVAs extend to flocculants and coagulants in various industries, including paper, water treatment, and petroleum.
Career Highlights
René Hund is associated with SNF S.A., a company known for its expertise in water-soluble polymers. His work at SNF S.A. has allowed him to focus on developing innovative solutions that address industry challenges. His contributions have been instrumental in advancing the use of PVA in practical applications.
Collaborations
René collaborates with Christian Jehn-Rendu, a fellow professional in the field. Their partnership has fostered a productive environment for research and development, leading to advancements in polymer synthesis.
Conclusion
René Hund's innovative work in the synthesis of polyvinyl amine has positioned him as a key figure in polymer chemistry. His contributions continue to impact various industries, showcasing the importance of innovation in addressing modern challenges.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile