Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565590 | Process for recycling amino-carboxylic acid waste materials into amido-carboxylic acids | George Zima, Gary Paul Lutz, Gary W. McChesney | 1996-10-15 |
| 5399603 | Radon barrier film forming compositions | Cephas H. Sloan, Robin L. Minga | 1995-03-21 |
| 5393901 | Aqueous process for preparing amido-carboxylic acids | George Zima, Gary Paul Lutz, William C. Dickason | 1995-02-28 |
| 5393905 | Purification of amido-carboxylic acids | George Zima, Mark Robert Shelton | 1995-02-28 |
| 5391780 | Aqueous process for preparing amido-carboxylic acids by reacting an aminoacid with a carboxylic acid anhydride | George Zima | 1995-02-21 |
| 5234965 | Process for the production of polyurethane foams | Samuel L. Gott, Thomas Carter, Wade T. Petroskey, G. C. Zima | 1993-08-10 |