Robert W Previte

Title: The Innovative Contributions of Robert W. Previte

Introduction

Robert W. Previte is a notable inventor based in Lawrence, MA, with a significant impact in the field of cement compositions. He holds three patents that showcase his innovative approach to enhancing the properties of hydraulic cement. His work is particularly relevant in the construction industry, where the performance of cement is crucial.

Latest Patents

One of Previte's latest patents is for gypsum-free cement compositions. This invention discloses compositions that include portland cement, limestone, and an amine salt of formic or acetic acid. These gypsum-free compositions exhibit compressive strength comparable to traditional portland cement compositions that contain gypsum, while also allowing for regulated setting properties. Another significant patent focuses on a method of enhancing the compressive strength of hydraulic cement. This method involves adding a very small amount of select synthetic non-ionic surface active agents to the hydrated hydraulic cement composition, such as Portland cement concrete, resulting in improved strength.

Career Highlights

Previte's career is marked by his association with W. R. Grace & Co., a company known for its innovative solutions in specialty chemicals and materials. His work at the company has allowed him to contribute to advancements in cement technology, making a lasting impact on the industry.

Collaborations

Throughout his career, Previte has collaborated with notable colleagues, including Frank G. Serafin and Nathan R. Greening. These collaborations have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Robert W. Previte's contributions to the field of cement compositions highlight his innovative spirit and dedication to improving construction materials. His patents reflect a commitment to enhancing the performance and sustainability of hydraulic cement, making him a valuable figure in the industry.