| 7887844 |
Multiparticulate crystalline drug compositions having controlled release profiles |
Leah E. Appel, Roderick J. Ray, David Keith Lyon, James B. West, Marshall Crew +3 more |
2011-02-15 |
| 7625507 |
Extrusion process for forming chemically stable drug multiparticulates |
Roderick J. Ray, Leah E. Appel, David D. Newbold, Dwayne T. Friesen, David Keith Lyon +3 more |
2009-12-01 |
| 7611630 |
Method and device for evaluation of pharmaceutical compositions |
Walter C. Babcock, Dwayne T. Friesen |
2009-11-03 |
| 6986844 |
Solvent-resistant microporous polybenzimidazole membranes and modules |
Robert P. Barss, Dwayne T. Friesen, Kendall R. Pearson, Roderick J. Ray, Delores R. Sidwell +1 more |
2006-01-17 |
| 6984403 |
Azithromycin dosage forms with reduced side effects |
Timothy Hagen, Julian B. Lo, Avinash Thombre, Scott M. Herbig, Leah E. Appel +4 more |
2006-01-10 |
| 6793820 |
Ethylene-vinyl alcohol hollow fiber membranes |
Dwayne T. Friesen, Delores R. Sidwell, David K. Lyon, Daichi Sakashita |
2004-09-21 |
| 6623639 |
Solvent-resistant microporous polybenzimidazole membranes |
Robert P. Barss, Dwayne T. Friesen, Kendall R. Pearson, Roderick J. Ray, Delores R. Sidwell +1 more |
2003-09-23 |
| 6059857 |
Ultrapurification of organic solvents |
Roderick J. Ray, David D. Newbold, Dwayne T. Friesen, Lori A. Ray |
2000-05-09 |
| 5843209 |
Vapor permeation system |
Roderick J. Ray, David D. Newbold, Dwayne T. Friesen |
1998-12-01 |
| 5753008 |
Solvent resistant hollow fiber vapor permeation membranes and modules |
Dwayne T. Friesen, David D. Newbold, Roderick J. Ray |
1998-05-19 |
| 5725769 |
Solvent-resistant microporous polymide membranes |
Warren K. Miller, Dwayne T. Friesen |
1998-03-10 |
| 5681433 |
Membrane dehydration of vaporous feeds by countercurrent condensable sweep |
Dwayne T. Friesen, David D. Newbold, Roderick J. Ray |
1997-10-28 |
| 5611842 |
Organic and inorganic vapor permeation by countercurrent condensable sweep |
Dwayne T. Friesen, David D. Newbold, Roderick J. Ray |
1997-03-18 |
| 5582725 |
Chlorine-resistant composite membranes with high organic rejection |
Dwayne T. Friesen, Robert P. Barss, Leslie D. Nelson |
1996-12-10 |
| 5476590 |
Hydrophilic polyvinylidene fluoride membranes |
Daniel J. Brose, Dwayne T. Friesen, James Russell Lowell, John M. Radovich |
1995-12-19 |
| 5464540 |
Pervaporation by countercurrent condensable sweep |
Dwayne T. Friesen, David D. Newbold, Roderick J. Ray |
1995-11-07 |
| 5236474 |
Membrane-based removal of condensable vapors |
Richard W. Schofield, David D. Newbold, Dwayne T. Friesen, Roderick J. Ray |
1993-08-17 |
| 5108464 |
Countercurrent dehydration by hollow fibers |
Dwayne T. Friesen, Roderick J. Ray, David D. Newbold |
1992-04-28 |
| 4978455 |
P-xylylenediamide/diimide composite RO membranes |
— |
1990-12-18 |
| 4900502 |
Hollow fiber annealing |
Walter C. Babcock, Edward Dennis LaChapelle, Kris A. Krichko |
1990-02-13 |
| 4876009 |
Tetrakis-amido high flux membranes |
— |
1989-10-24 |
| 4853122 |
P-xylylenediamide/diimide composite RO membranes |
— |
1989-08-01 |
