David-Nicolas Allen

Title: David-Nicolas Allen: Innovator in Aluminosilicate Technology

Introduction

David-Nicolas Allen is a notable inventor based in Trois-Rivières, Canada. He has made significant contributions to the field of materials science, particularly in the development of aluminosilicates. With a total of 2 patents to his name, Allen's work focuses on innovative processes and applications that enhance cementing materials.

Latest Patents

Allen's latest patents revolve around aluminosilicates and their uses as supplementary cementing materials. One of his key disclosures details an aluminosilicate with a Blaine fineness ranging from about 500 m/kg to about 3000 m/kg and a specific surface area of approximately 4 m/g to 20 m/g. This patent also includes a dry cementing composition and a mortar or concrete composition that incorporates the aluminosilicate. The manufacturing process described involves roasting a spodumene concentrate in an acid medium, leaching the resultant mixture, and separating the aluminosilicate from the leachate, ensuring a calcium concentration of less than about 5%.

Career Highlights

David-Nicolas Allen is currently employed at Nemaska Lithium Inc., where he continues to innovate in the field of materials science. His expertise in aluminosilicates positions him as a valuable asset to the company and the industry at large.

Collaborations

Some of his coworkers include Jean-François Magnan and Jean-Francois Magnan, who contribute to the collaborative environment at Nemaska Lithium Inc.

Conclusion

David-Nicolas Allen's work in aluminosilicate technology showcases his commitment to advancing materials science. His patents reflect a deep understanding of the processes involved in creating effective cementing materials. Allen's contributions are poised to have a lasting impact on the industry.