Location History:
- Bennington, VT (US) (1995)
- Gainesville, FL (US) (2010 - 2015)
Company Filing History:
4 out of 2,928 
1 out of 558 
Years Active: 1995-2015
Title: W Gregory Sawyer: Innovator in Fertilizer and Composite Materials
Introduction
W Gregory Sawyer is a notable inventor based in Gainesville, FL, with a significant contribution to the fields of fertilizer compositions and composite materials. He holds five patents that showcase his innovative approach to enhancing product performance and sustainability.
Latest Patents
One of his latest patents is a fertilizer composition incorporating fibrous material for enhanced particle integrity. This invention focuses on fertilizer granules, particularly phosphate fertilizers, which include a fibrous material to increase granule strength. This innovation effectively prevents or reduces attrition and dust formation during storage, transport, and handling, achieving a reduction in dust formation by fifty percent or more. The base fertilizer composition can include monoammonium phosphate (MAP) or diammonium phosphate (DAP), along with optional micronutrients or secondary nutrients like elemental sulfur. The fibrous material used in this composition can be pulp or paper sludge.
Another significant patent by Sawyer is an inert wear-resistant PTFE-based solid lubricant nanocomposite. This composite material consists of a PTFE major phase filled with a metal oxide minor phase. The incorporation of irregularly shaped metal oxide nanoparticles results in substantial reductions in steady-state wear rates compared to similar nanocomposites. The metal oxide used can comprise aluminum oxide, enhancing the durability and performance of the material.
Career Highlights
W Gregory Sawyer has had a distinguished career, working with reputable organizations such as the University of Florida Research Foundation and The Stanley Works. His work has significantly impacted the development of innovative materials and processes in his field.
Collaborations
Throughout his career, Sawyer has collaborated with notable individuals, including David Lawrence Burris and Robert L Owens. These collaborations have contributed to the advancement of his research and innovations.
Conclusion
W Gregory Sawyer's contributions to the fields of fertilizer compositions and composite materials demonstrate his commitment to innovation and sustainability. His patents reflect a deep understanding of material science and its applications, making him a significant figure in his industry.