Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521461 | Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes | Mark E. Mueller, Yuri Cheburkov, Fred L. DeRoos, Glenn Delmont Johnson, John Stephen Marhevka +1 more | 2003-02-18 |
| 6437202 | Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes | Mark E. Mueller, Yuri Cheburkov, Fred L. DeRoos, Glenn Delmont Johnson, John Stephen Marhevka +1 more | 2002-08-20 |
| 6365769 | Perfluoroalkyl halides and derivatives | Frederick E. Behr, Rudolf J. Dams, Johan E. DeWitte | 2002-04-02 |
| 6147268 | Fluoroalkene-nucleophile adducts for analysis and removal of fluoroalkenes | Mark E. Mueller, Yuri Cheburkov, Fred L. DeRoos, Glenn Delmont Johnson, John Stephen Marhevka +1 more | 2000-11-14 |
| RE36811 | Solid phase extraction medium | Craig G. Markell, James D. Luedtke | 2000-08-08 |
| 6048952 | Perfluoroalkyl halides and derivatives | Frederick E. Behr, Rudolf J. Dams, Johan E. DeWitte | 2000-04-11 |
| 5993935 | Covalently reactive particles incorporated in a continous porous matrix | Jerald K. Rasmussen, Steven M. Heilmann, Larry R. Krepski, Patrick L. Coleman, Dean S. Milbrath +3 more | 1999-11-30 |
| 5852148 | Perfluoroalkyl halides and derivatives | Frederick E. Behr, Rudolf J. Dams, Johan E. DeWitte | 1998-12-22 |
| 5738790 | Composite membranes for solid phase extractions and reactions | Paul E. Hansen, Craig G. Markell | 1998-04-14 |
| 5702610 | Sheet materials for solid phase extractions and solid phase reactions | Simon S. Fung, Paul E. Hansen | 1997-12-30 |
| 5700375 | Particle loaded membranes as oxidant scavengers | Kenneth M. Hart, Glenn Delmont Johnson | 1997-12-23 |
| 5688370 | Sheet materials for solid phase extractions and solid phase reactions | Simon S. Fung, Paul E. Hansen | 1997-11-18 |
| 5639372 | Composite membranes for solid phase extractions and reactions | Paul E. Hansen, Craig G. Markell | 1997-06-17 |
| 5635060 | Composite membranes for solid phase extractions and reactions | Paul E. Hansen, Craig G. Markell | 1997-06-03 |
| 5618438 | Method of isolating an analyte using a solid phase extraction medium | James S. Fritz, Philip J. Dumont, Craig G. Markell, Luther W. Schmidt | 1997-04-08 |
| 5616407 | Self-wettable solid phase extraction medium | James S. Fritz, Craig G. Markell | 1997-04-01 |
| 5595649 | Particle-loaded nonwoven fibrous article for separations and purifications | Craig G. Markell, Paul E. Hansen, Nicholas R. Baumann | 1997-01-21 |
| 5558771 | Composite articles separating mercury from fluids | Wanda Bahmet, Louis C. Haddad, Robert E. Perkins | 1996-09-24 |
| 5529686 | Composite membranes for solid phase extractions and reactions | Paul E. Hansen, Craig G. Markell | 1996-06-25 |
| 5507941 | System for purifying saturated fluoroperhalocarbon liquids | Venkateswarlu Pothapragada, Robert B. Fletcher, Frederick E. Behr | 1996-04-16 |
| 5492627 | Method for separating mercury from fluids using composite articles | Wanda Bahmet, Louis C. Haddad, Robert E. Perkins | 1996-02-20 |
| 5470532 | Composite reactive articles for the determination of cyanide | Louis C. Haddad, Robert E. Perkins, Craig G. Markell | 1995-11-28 |
| 5415779 | Particle-loaded nonwoven fibrous article for separations and purifications | Craig G. Markell, Paul E. Hansen, Nicholas R. Baumann | 1995-05-16 |
| 5403489 | Solid phase extraction method and apparatus | Craig G. Markell | 1995-04-04 |
| 5340746 | Composite reactive articles for the determination of cyanide | Louis C. Haddad, Robert E. Perkins, Craig G. Markell | 1994-08-23 |