Issued Patents All Time
Showing 76–100 of 109 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497792 | Process and apparatus for the semicontinuous extraction of nicotine from tobacco | Harvey J. Grubbs | 1996-03-12 |
| 5449457 | Liquid membrane modules with minimal effective membrane thickness and methods of making the same | — | 1995-09-12 |
| 5425801 | Membrane nitrogen with temperature tracking | — | 1995-06-20 |
| 5383956 | Start-up and shut down processes for membrane systems and membrane systems useful for the same | Pauline Jane Cook | 1995-01-24 |
| 5378263 | High purity membrane nitrogen | — | 1995-01-03 |
| 5352361 | Spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles | Charles J. Runkle, Harry F. Shuey | 1994-10-04 |
| 5318759 | Membrane/PSA-deoxo process for nitrogen production | Michael J. Campbell, James Smolarek | 1994-06-07 |
| 5308382 | Container inerting | — | 1994-05-03 |
| 5284584 | Hollow fiber membrane fabric - containing cartridges and modules having solvent-resistant thermoplastic tube sheets, and methods for making the same | Xiaoyan Huang, J. Clift Delozier, Charles J. Runkle, Harry F. Shuey | 1994-02-08 |
| 5266342 | Method for decaffeinating coffee materials including a reverse osmosis permeate recycle | Jean E. Spence, Saul N. Katz, Gerald Vogel | 1993-11-30 |
| 5264171 | Method of making spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles | Charles J. Runkle, Harry F. Shuey | 1993-11-23 |
| 5251649 | Process for impregnation and expansion of tobacco | Kwang H. Cho, Thomas J. Clarke, Joseph M. Dobbs, Eugene B. Fischer, Jose Nepomuceno | 1993-10-12 |
| 5226932 | Enhanced meambrane gas separations | — | 1993-07-13 |
| 5205842 | Two stage membrane dryer | — | 1993-04-27 |
| 5186832 | Spiral-wound hollow fiber membrane fabric cartridges and modules having integral turbulence promoters | Anthony W. Mancusi, III, J. Clift Delozier, Charles J. Runkle, Harry F. Shuey | 1993-02-16 |
| 5185014 | Membrane oxygen process and system | — | 1993-02-09 |
| 5169412 | Membrane air drying and separation operations | Frank Notaro | 1992-12-08 |
| 5165908 | Annular heated fluidized bed reactor | Richard A. Van Slooten | 1992-11-24 |
| 5122355 | Membrane nitrogen process and system | Oscar W. Haas, Frank Notaro, David R. Thompson | 1992-06-16 |
| 5116396 | Hybrid prepurifier for cryogenic air separation plants | Frank Notaro, Oscar W. Haas | 1992-05-26 |
| 5102432 | Three-stage membrane gas separation process and system | — | 1992-04-07 |
| 5084073 | Membrane drying process and system | — | 1992-01-28 |
| 5018540 | Process for removal of basic materials | Harvey J. Grubbs, Tony Howell | 1991-05-28 |
| 5004482 | Production of dry, high purity nitrogen | Oscar W. Haas, James Smolarek | 1991-04-02 |
| 4996317 | Caffeine recovery from supercritical carbon dioxide | Michael J. O'Brien, Jean E. Spence, Ronald H. Skiff, Gerald Vogel | 1991-02-26 |