This inventor holds 1 USPTO granted patent. Top assignee: 3M Innovative Properties Company. Active years: 1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1996
Title: John A. Blackwell: Inventor in Supercritical Fluid Extraction
Introduction
John A. Blackwell is an inventor associated with Oakdale, Minnesota, and 3M Innovative Properties Company. His patent work addresses the use of supercritical fluids to separate components in a composition.
Latest Patents
Blackwell is credited with 1 patent: “Supercritical Fluid Extraction Involving Hydrofluoroalkanes.” The patent describes a process for separating a first component from a second by contacting the composition with a supercritical fluid containing 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane, or a mixture of the two. The fluid is used in its supercritical state under conditions and for a duration sufficient to remove the first component.
Career Highlights
Blackwell’s listed patent reflects work on extraction methods using hydrofluoroalkanes in a supercritical state. The invention focuses on applying these fluids to component separation.
Collaborations
Blackwell’s listed coworkers include Daniel T. Chen and Todd D. Alband. His patent is associated with 3M Innovative Properties Company.
Conclusion
John A. Blackwell’s patent contribution centers on supercritical fluid extraction and the use of hydrofluoroalkanes to separate components from compositions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile