Jacques Estival

Title: The Innovative Contributions of Jacques Estival

Introduction

Jacques Estival is a notable inventor based in Bourgoin Jallieu, France. He has made significant contributions to the field of materials science, particularly in the development of advanced cement compositions. With a total of three patents to his name, Estival's work focuses on enhancing the properties and applications of amorphous calcium aluminate.

Latest Patents

Estival's latest patents include a composition comprising an amorphous calcium aluminate and an associated production method. This invention discloses a composition that includes an amorphous calcium aluminate with a final lime to alumina molar ratio between lower and upper limits. The composition features a combination of two types of amorphous calcium aluminate, each with distinct lime to alumina molar ratios, ensuring that the final ratio falls within the predetermined range.

Another significant patent is for an ultra-fast setting cement based on amorphous calcium aluminate, which includes a surface treatment. This cement composition contains specific percentages of calcium oxide and alumina, with a molar ratio that meets certain criteria. The amorphous calcium aluminate is treated with an organic compound that has both hydrophilic functions and a hydrophobic chain, enhancing its performance and usability.

Career Highlights

Jacques Estival is associated with Kerneos, a company known for its innovative solutions in the field of calcium aluminate cements. His work at Kerneos has positioned him as a leader in the development of advanced materials that cater to various construction needs. Estival's expertise in the field has led to the creation of products that significantly improve the efficiency and effectiveness of cement applications.

Collaborations

Estival has collaborated with notable colleagues, including Jamel Mahiaoui and Jean-Noel Bousseau. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas, further enhancing the quality of their work.

Conclusion

Jacques Estival's contributions to the field of materials science, particularly through his patents on amorphous calcium aluminate, demonstrate his commitment to innovation. His work continues to influence the development of advanced cement products, showcasing the importance of research and collaboration in driving progress in this industry.