Keith St Jean

Title: Innovations by Keith St Jean in Cementitious Compositions

Introduction

Keith St Jean is an accomplished inventor based in Leominster, MA (US). He has made significant contributions to the field of cementitious compositions, holding a total of 2 patents. His work focuses on optimizing the performance of polycarboxylate admixtures, which are crucial for enhancing the properties of concrete and mortar.

Latest Patents

St Jean's latest patents include "Optimizing polycarboxylate admixtures for cementitious compositions" and "Superplasticizing admixture for cementitious compositions." Both inventions provide methods for modifying hydratable cementitious compositions using distinct carboxylate polymers. These innovations are particularly effective in improving workability and slump retention, even in the presence of clay, which typically reduces the efficiency of dispersants.

Career Highlights

Keith St Jean is associated with GCP Applied Technologies Inc., where he continues to develop innovative solutions for the construction industry. His expertise in polymer chemistry and cementitious materials has positioned him as a key figure in advancing concrete technology.

Collaborations

Throughout his career, St Jean has collaborated with notable colleagues, including Lawrence L Kuo and Yohannes K Lemma. These partnerships have fostered a collaborative environment that enhances the development of new technologies in the field.

Conclusion

Keith St Jean's contributions to the field of cementitious compositions demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and its application in construction, paving the way for future advancements in the industry.