Issued Patents All Time
Showing 76–100 of 100 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681433 | Membrane dehydration of vaporous feeds by countercurrent condensable sweep | David D. Newbold, Scott B. McCray, Roderick J. Ray | 1997-10-28 |
| 5611842 | Organic and inorganic vapor permeation by countercurrent condensable sweep | David D. Newbold, Scott B. McCray, Roderick J. Ray | 1997-03-18 |
| 5582725 | Chlorine-resistant composite membranes with high organic rejection | Scott B. McCray, Robert P. Barss, Leslie D. Nelson | 1996-12-10 |
| 5565153 | Process of making polyvinylidene fluoride membranes | Mark Chidlaw, Carol A. Thornton, Donald J. Kelly, Daniel J. Brose | 1996-10-15 |
| 5516745 | Nitrogen sorption | Walter C. Babcock, David J. Edlund, Warren K. Miller | 1996-05-14 |
| 5494989 | Acetylenic copolymers and membranes thereof | Warren K. Miller | 1996-02-27 |
| 5476590 | Hydrophilic polyvinylidene fluoride membranes | Daniel J. Brose, James Russell Lowell, Scott B. McCray, John M. Radovich | 1995-12-19 |
| 5464540 | Pervaporation by countercurrent condensable sweep | David D. Newbold, Scott B. McCray, Roderick J. Ray | 1995-11-07 |
| 5266283 | Sterically hindered, regenerable Schiff base complexes, solutions thereof and process using the same | Warren K. Miller, Bruce Johnson, David J. Edlund | 1993-11-30 |
| 5236474 | Membrane-based removal of condensable vapors | Richard W. Schofield, David D. Newbold, Scott B. McCray, Roderick J. Ray | 1993-08-17 |
| 5225174 | Nitrogen sorption | Walter C. Babcock, David J. Edlund, Warren K. Miller | 1993-07-06 |
| 5217506 | Hydrogen-permeable composite metal membrane and uses thereof | David J. Edlund | 1993-06-08 |
| 5120505 | Chemical sensors | James Russell Lowell, David J. Edlund, George Rayfield | 1992-06-09 |
| 5108464 | Countercurrent dehydration by hollow fibers | Roderick J. Ray, David D. Newbold, Scott B. McCray | 1992-04-28 |
| 5028394 | Chemical sensors | James Russell Lowell, David J. Edlund, George Rayfield | 1991-07-02 |
| 5002590 | Countercurrent dehydration by hollow fibers | Roderick J. Ray, David D. Newbold | 1991-03-26 |
| 4948476 | Hybrid chromium recovery process | David R. Kamperman | 1990-08-14 |
| 4883593 | Ultrathin-skinned asymmetric membranes by immiscible solvents treatment | Walter C. Babcock | 1989-11-28 |
| 4877528 | Siloxane-grafted membranes | Alan Obligin | 1989-10-31 |
| 4876287 | Selective ion-complexing media for the removal of metal-ion contaminants from plating baths | Walter C. Babcock | 1989-10-24 |
| 4824443 | Gas separation by composite solvent-swollen membranes | Stephen L. Matson, Eric K. Lee, Donald J. Kelly | 1989-04-25 |
| 4781733 | Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers | Walter C. Babcock | 1988-11-01 |
| 4737166 | Acid gas scrubbing by composite solvent-swollen membranes | Stephen L. Matson, Eric K. Lee, Donald J. Kelly | 1988-04-12 |
| 4702838 | Selective and continuous removal of metal-ion contaminants from plating baths | Walter C. Babcock | 1987-10-27 |
| 4515906 | Anisotropic microporous supports impregnated with polymeric ion-exchange materials | Walter C. Babcock, Mark E. Tuttle | 1985-05-07 |