Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071449 | Gas separation by rapid pressure swing adsorption | — | 1991-12-10 |
| 5030775 | Process for preparing motor fuel grade alcohol | — | 1991-07-09 |
| 5030768 | Process for preparing alkyl tert-alkyl ethers | Michael S. Chen | 1991-07-09 |
| 5026482 | Separation of liquid mixtures by concentration swing adsorption | — | 1991-06-25 |
| 4971606 | Closed-loop thermal regeneration of adsorbents containing reactive adsorbates | Roger R. Conrad, William R. Koch | 1990-11-20 |
| 4859434 | Production of endothermic gases with methanol | George W. Roberts, Paul R. Stepanoff | 1989-08-22 |
| 4859435 | Deoxygenation of inert gas streams with methanol | George W. Roberts, Paul R. Stepanoff | 1989-08-22 |
| 4813980 | Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate | — | 1989-03-21 |
| 4792441 | Ammonia synthesis | Shoou-I Wang, Nitin M. Patel, Rodney John Allam | 1988-12-20 |
| 4790858 | Fractionation of multicomponent gas mixtures by pressure swing adsorption | — | 1988-12-13 |
| 4784672 | Regeneration of adsorbents | — | 1988-11-15 |
| 4770676 | Recovery of methane from land fill gas | Ravi Kumar, William R. Koch, John VanSloun | 1988-09-13 |
| 4756723 | Preparation of high purity oxygen | — | 1988-07-12 |
| 4705541 | Production of mixed gases of controlled composition by pressure swing adsorption | — | 1987-11-10 |
| 4702749 | Technique for surface oxidation of activated carbon | Timothy Christopher Golden | 1987-10-27 |
| 4690696 | Oxidation of carbonaceous material | William R. Koch | 1987-09-01 |
| 4685939 | Production of oxygen enriched air | Wilbur C. Kratz | 1987-08-11 |
| 4557736 | Binary ion exchanged type X zeolite adsorbent | Roger R. Conrad, William J. Ambs | 1985-12-10 |
| 4529416 | Gas separation kinetics in commercial pellets | William J. Ambs, Roger R. Conrad | 1985-07-16 |
| 4477264 | Pressure swing adsorption process for a medical oxygen generator for home use | Wilbur C. Kratz | 1984-10-16 |
| 4477265 | Argon purification | Ravi Kumar, Thomas R. White, Eugene J. Greskovich | 1984-10-16 |
| 4472177 | Control system and method for air fractionation by vacuum swing adsorption | — | 1984-09-18 |
| 4472178 | Adsorptive process for the removal of carbon dioxide from a gas | Ravi Kumar, Wilbur C. Kratz | 1984-09-18 |
| 4358111 | Pressurized, non-refillable recreation ball inflated with sulfur hexafluoride | John Papinsick, John J. Oransky | 1982-11-09 |
| 4346019 | Stabilization and regeneration of activated carbon supported palladium chloride catalysts in the oxidation of vinyl halides | Augustine I. Dalton, Jr. | 1982-08-24 |