This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignees: Commissariat a L'energie Atomique Et Aux Energies Alternatives, Orano Recyclage. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2026
Title: Fabien Lengrand: Inventor in Aqueous-Solution Acidity Measurement
Introduction
Fabien Lengrand is an inventor associated with Bagnols-sur-Cèze, France. His work includes a patented method for determining acidity in aqueous solutions, with applications to solutions containing strong acids and hydrolysable cations.
Latest Patents
Lengrand is associated with 1 patent: “Method for determining the acidity of an acidic aqueous solution.” The method measures the total acidity of an aqueous solution containing a strong acid or a mixture of strong acids. When the solution also contains one or more hydrolysable cations, it can additionally measure free acidity.
Career Highlights
The supplied information lists Lengrand’s work with the French Alternative Energies and Atomic Energy Commission (Commissariat à l’énergie atomique et aux énergies alternatives) and Orano Recyclage. His patent focuses on analytical methods for characterizing acidic aqueous solutions.
Collaborations
The listed coworkers associated with Lengrand are Sylvain Broussard and Sylvain Costenoble.
Conclusion
Fabien Lengrand’s recorded invention addresses the measurement of total and, where relevant, free acidity in aqueous solutions, reflecting a specialized contribution to chemical analysis.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile