Location History:
- Saint Symphorien, FR (1979)
- St. Symphorien D'Ozon, FR (1983)
- Saint Symphorien D'Ozon, FR (1984)
Company Filing History:
Years Active: 1979-1984
Title: **The Innovations of Robert Barral: A Pioneer in High Purity Alumina Production**
Introduction
Robert Barral, an inventive mind based in Saint Symphorien, France, has made significant strides in the field of materials science. With a total of three patents to his name, Barral has focused primarily on the preparation of high purity aluminas, which are crucial for various industrial applications. His groundbreaking work has paved the way for advancements in the production of alumina while minimizing impurities.
Latest Patents
Barral's latest patents showcase his dedication to innovation in high purity alumina production. One notable patent is a **process for the preparation of high purity aluminas starting from impure aluminum chloride solutions**. This process involves a crystallization step that yields aluminum chloride hexahydrate crystals while maintaining a specific diameter range. The method also includes washing the crystals with pure hydrochloric acid and pyrohydrolyzing them at controlled temperatures, resulting in transition aluminas with a surface area greater than 100 m²/g and low chlorine content.
Another significant patent is a **novel process for the preparation of high purity alumina from ammonium alum**. This innovative process consists of dehydrating the alum separately and thermally decomposing the dehydrate while continuously removing gaseous products. This method improves the productivity of high purity transition aluminas, characterized by high specific surfaces and bulk densities, making them more reactive for corundum preparation.
Career Highlights
Barral is affiliated with Produits Chimiques Ugine Kuhlmann, a company known for its expertise in chemical production. Throughout his career, he has focused on advancing methods for alumina preparation, contributing to the efficiency and effectiveness of these processes. His inventions reflect a deep understanding of materials chemistry and an ability to solve complex industrial challenges through innovative approaches.
Collaborations
In his professional journey, Barral has collaborated with esteemed colleagues such as Roland Bachelard and Maurice Lamalle. These collaborations have played a pivotal role in enhancing the research and development efforts at Produits Chimiques Ugine Kuhlmann, fostering an environment of innovation and teamwork within the field of high purity alumina production.
Conclusion
Robert Barral's contributions to the field of high purity alumina production stand as a testament to his inventive spirit and technical expertise. With three patents to his name, he continues to influence the industry significantly. As a dedicated innovator, Barral's work not only resolves existing challenges but also opens up new avenues for research and application in materials science. His legacy is expected to inspire future generations of inventors and engineers in the pursuit of innovation.