Company Filing History:
Years Active: 1976-1990
Title: Innovations and Patents of Robert R. Grinstead
Introduction
Robert R. Grinstead, an accomplished inventor based in Walnut Creek, CA, has made significant contributions to the field of chemical engineering through his innovative patents. With a remarkable portfolio consisting of 19 patents, Grinstead focuses on creating solutions that address pressing environmental challenges.
Latest Patents
Two of Grinstead's latest patents showcase his expertise in advanced chemical processes. The first patent is for a concentric tubular membrane device that facilitates ion exchange or absorbent processes. This device incorporates ion exchange or absorbent particles within the annular region created by the concentric microporous tubular membranes. It is particularly effective for scavenging metals or organics from wastewater, highlighting Grinstead's commitment to environmental protection.
The second patent describes a cyclic process for removing NOx and SOx from gas streams. This innovative method involves scrubbing the gas stream with an aqueous reaction solution that contains an organic, water-soluble, polymeric chelate with a polyvalent metal ion. The process effectively absorbs NOx, and in the presence of SOx, results in the formation of imidodisulfonate. Grinstead's process further enhances efficiency by using membrane separation techniques to manage and recycle materials, underscoring his dedication to refining industrial processes.
Career Highlights
Grinstead is affiliated with The Dow Chemical Company, where his work focuses on developing new technologies that address environmental and industrial challenges. His innovative mindset and practical applications have earned him a reputation as a leader in his field, contributing to the advancement of sustainable practices in chemical engineering.
Collaborations
Throughout his career, Grinstead has collaborated with esteemed colleagues such as Wilmonte A. Nasutavicus and H. Hunter Paalman. These partnerships have fostered a dynamic exchange of ideas and innovations, amplifying the impact of their collective efforts in the realm of environmental solutions.
Conclusion
In conclusion, Robert R. Grinstead stands out as a pioneering inventor with a strong focus on creating sustainable technologies through his patents. His work at The Dow Chemical Company and collaborations with fellow innovators continue to push the boundaries of what is possible in addressing environmental challenges, making a meaningful impact on our world.