This inventor holds 6 USPTO granted patents. Top assignees: University Patents, Inc., The University of Arizona, Arizona Technology Development Corporation. Active years: 1977-1997.
Location History:
- Tuscon, AZ (US) (1981)
- Tucson, AZ (US) (1977 - 1997)
Company Filing History:

Years Active: 1977-1997
Title: Alan D Randolph: Innovator in Crystallization and Ammonium Sulfate Production
Introduction
Alan D Randolph is a notable inventor based in Tucson, AZ (US), recognized for his contributions to the field of crystallization and chemical processing. He holds a total of 6 patents, showcasing his innovative approach to solving complex industrial challenges.
Latest Patents
One of his latest patents is titled "Process for producing ammonium sulfate from flue-gas scrubber waste." This invention outlines a flue-gas scrubbing-liquor regeneration process that involves contacting nitrogen-sulfur compounds in a flue-gas scrubbing liquor with a lime/limestone solution. The process is designed to precipitate calcium salts of these compounds, ultimately producing gypsum and ammonium sulfate in solution. Another significant patent is the "Method and apparatus for crystallization process control." This invention introduces a crystallizer control method that generates control signals based on real-time measurements of crystal populations in the crystallizer slurry. This innovative approach has proven to enhance the efficiency of crystallization processes significantly.
Career Highlights
Throughout his career, Alan has worked with various organizations, including University Patents, Inc. and the University of Arizona. His work has had a substantial impact on the field of chemical engineering, particularly in the areas of crystallization and waste management.
Collaborations
Alan has collaborated with notable individuals in his field, including George Drach and John Daniel Miller. These partnerships have contributed to the advancement of his research and innovations.
Conclusion
Alan D Randolph's work exemplifies the spirit of innovation in chemical processing and crystallization. His patents reflect a commitment to improving industrial processes and addressing environmental challenges.