Location History:
- Zachary, LA (US) (1977 - 1979)
- Midland, MI (US) (1985)
- Lake Jackson, TX (US) (1983 - 1986)
Company Filing History:
Years Active: 1977-1986
Title: The Innovative Contributions of Donald W. Calvin
Introduction
Donald W. Calvin is a notable inventor based in Zachary, Louisiana, with a remarkable portfolio of seven patents. His work primarily focuses on advancements in materials science, particularly in the field of fluoropolymer membranes and silica recovery.
Latest Patents
Among his latest patents, Calvin has developed a method for the re-use of fluoropolymer membranes. This innovative process involves salvaging used or contaminated pieces of fluoropolymer materials by particulating them into powders, granules, or fibers. The particulated material is then treated to cleanse or modify it for subsequent applications. Another significant patent is the recovery of fumed SiO₂, which outlines a method for recovering fumed hydrophobic silica produced by the flame hydrolysis of a ternary azeotrope. This method includes passing the silica through a nonclassifying agglomerator and separating it from the product stream using a cyclone separator.
Career Highlights
Calvin's career is marked by his association with The Dow Chemical Company, where he has made significant contributions to the field of chemical engineering and materials science. His innovative approaches have not only advanced the company's research but have also contributed to sustainable practices in material reuse.
Collaborations
Throughout his career, Calvin has collaborated with esteemed colleagues such as Joel F. Leathers and Robert M. Harnden. These collaborations have fostered a creative