This inventor holds 3 USPTO granted patents. Top assignee: Rhone-Poulenc Industries. Active years: 1976-1984.
Location History:
- Boulogne-Billancourt, F (1976)
- Boulogne Billancourt, FR (1978 - 1984)
Company Filing History:
Years Active: 1976-1984
Title: Maryvonne Thomas: Innovator in Chemical Engineering
Introduction
Maryvonne Thomas is a notable inventor based in Boulogne Billancourt, France. She has made significant contributions to the field of chemical engineering, particularly in the development of innovative compositions and methods for recovering precious metals.
Latest Patents
Maryvonne Thomas holds 3 patents. Her latest patents include:
1. **Compositions based on aluminum hydroxychlorides** - This patent discloses aluminum hydroxychloride compositions characterized by the presence of SO.sub.4.sup.-2 anions and at least one anion of selected organic acids. These compositions have particular utility in the treatment of soft water.
2. **Method for recovery of platinum and iridium from catalysts** - This invention relates to the recovery of constituent elements of catalysts containing precious metals, such as platinum and iridium deposited on aluminous supports. The recovery is accomplished through a substantially total solubilization of the catalysts using hydrochloric acid and extraction methods, such as ion exchange resins. This system allows for effective separation of platinum and iridium.
Career Highlights
Maryvonne Thomas has worked with Rhone-Poulenc Industries, where she has applied her expertise in chemical processes and innovations. Her work has contributed to advancements in both environmental and industrial applications.
Collaborations
Maryvonne has collaborated with her coworker, Jean Grosbois, to further enhance her research and development efforts in the field.
Conclusion
Maryvonne Thomas is a distinguished inventor whose work in chemical engineering has led to valuable patents and innovations. Her contributions continue to impact the industry positively.