Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5431864 | Method of making composite porous carbonaceous membranes | Madhukar Bhaskara Rao, Shivaji Sircar | 1995-07-11 |
| 5360467 | Method of separating and detecting impurities using a fractional concentration detector | Suhas Narayan Ketkar, Robert Gordon Ridgeway, Peter J. Maroulis | 1994-11-01 |
| 5300271 | Method for separation of carbon monoxide by highly dispersed cuprous compositions | Wilbur C. Kratz, Frederick C. Wilhelm | 1994-04-05 |
| 5258571 | Separations using highly dispersed cuprous compositions | Wilbur C. Kratz, Frederick C. Wilhelm, Ronald Pierantozzi, Andrzej Rokicki | 1993-11-02 |
| 5175137 | Highly dispersed cuprous compositions | Wilbur C. Kratz, Frederick C. Wilhelm, Ronald Pierantozzi, Andrzej Rokicki | 1992-12-29 |
| 5135548 | Oxygen selective desiccants | Paula Jean Battavio, Yee-Chang Chen, Thomas Stephen Farris, John N. Armor | 1992-08-04 |
| 5126310 | Highly dispersed cuprous compositions | Wilbur C. Kratz, Frederick C. Wilhelm | 1992-06-30 |
| 5104425 | Gas separation by adsorbent membranes | Madhukar Bhaskara Rao, Shivaji Sircar | 1992-04-14 |
| 4957514 | Hydrogen purification | Ravi Kumar, Wilbur C. Kratz | 1990-09-18 |
| 4702749 | Technique for surface oxidation of activated carbon | Shivaji Sircar | 1987-10-27 |