Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5507304 | Polymer blend composed of cellulose acetate and starch acetate used to form fibers, films and plastic materials and a process to prepare said blend | John B. Hopkins, Jr., Heribert Tetzlaff | 1996-04-16 |
| 5446140 | Polymer blend composed of cellulose acetate and starch acetate and starch used to form fibers, films and plastic materials and a process to prepare said blend | John B. Hopkins, Jr., Heribert Tatzlaff | 1995-08-29 |
| 5433994 | Superabsorbent structure | Betty J. McKinney, Ronald J. Foltz, Steven F. Nielsen, Ronald O. Bryant, John B. Hopkins, Jr. | 1995-07-18 |
| 5419955 | Method for immobilizing superabsorbent polymer and products derived therefrom | Kenneth C. Ehrhardt, John B. Hopkins, Jr., David R. McWilliams | 1995-05-30 |
| 5362766 | Method for immobilizing superabsorbent polymers by homogenization of a suspension of same | John B. Hopkins, Jr., John Morton, III | 1994-11-08 |