Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709724 | Metal catalyzed ascorbate compounds as oxygen scavengers | Fred N. Teumac, Bert A. Ross, Larrie Deardurff, Mahmood R. Rassouli | 2004-03-23 |
| 6656383 | Oxygen scavenging compositions from concentrates | Charles S. Benedict | 2003-12-02 |
| 6465065 | Metal catalyzed ascorbate compounds as oxygen scavengers | Fred N. Teumac, Bert A. Ross, Larrie Deardurff, Mahmood R. Rassouli | 2002-10-15 |
| 6391406 | Polymer compositions containing oxygen scavenging compounds | Charles S. Benedict | 2002-05-21 |
| 5492742 | Packages and containers comprising salicylic acid chelates as oxygen scavengers | Fred N. Teumac, Larrie Deardurff, Bert A. Ross | 1996-02-20 |
| 5364555 | Polymer compositions containing salicylic acid chelates as oxygen scavengers | Fred N. Teumac, Larrie Deardurff, Bert A. Ross | 1994-11-15 |
| 5202052 | Amino polycarboxylic acid compounds as oxygen scavengers | Fred N. Teumac, Larrie Deardurff, Bert A. Ross | 1993-04-13 |
| 5096724 | Methods, compositions, and systems for ligand extraction | Emory S. De Castro, Joseph P. Ciccone | 1992-03-17 |
| 5017274 | Method and systems for extracting oxygen employing electrocatalysts | John B. Kerr, Emory S. De Castro | 1991-05-21 |
| 4959135 | Polyalkylamine complexes for ligand extraction and generation | Joseph P. Ciccone, Emory S. De Castro, Larrie Deardurff, John B. Kerr | 1990-09-25 |
| 4761209 | System for the extraction and utilization of oxygen from fluids | Joseph Bonaventura, Celia Bonaventura, Joseph C. Van Ryzin, C. William Anderson | 1988-08-02 |
| 4609383 | Apparatus and method for extracting oxygen from fluids | Joseph Bonaventura, Celia Bonaventura, Joseph C. Van Ryzin | 1986-09-02 |
| 4602987 | System for the extraction and utilization of oxygen from fluids | Joseph Bonaventura, Celia Bonaventura, Joseph C. Van Ryzin, C. William Anderson | 1986-07-29 |