Issued Patents All Time
Showing 101–125 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147891 | Polymer substrate coated with weak cationic-exchange functional layer | Andrei V. Bordunov, Maria Rey | 2006-12-12 |
| 7074491 | Polar silanes for binding to substrates and use of the bound substrates | Xiaodong Liu, Andrei V. Bordunov | 2006-07-11 |
| 6867295 | Ion exchange cryptands covalently bound to substrates | L. Andy Woodruff, Andrei V. Bordunov | 2005-03-15 |
| 6436719 | Displacement chemical regeneration method and apparatus | Kannan Srinivasan | 2002-08-20 |
| 6425284 | Method and apparatus for gas-assisted suppressed chromatography | Kannan Srinivasan | 2002-07-30 |
| 6328885 | Current-efficient suppressors | Kannan Srinivasan, Victor Berber Barreto, James R. Thayer, Nebojsa Avdalovic | 2001-12-11 |
| 6248798 | Anion-exchange resins including ion-exchange groups with at least two nitrogen groups, and methods of making and using same | Rosanne W. Slingsby, Jacek Jagodzinski, Latha Narayanan, Michael Weitzhandler | 2001-06-19 |
| 6077434 | Current-efficient suppressors and method of use | Kannan Srinivasan, Victor Berber Barreto, James R. Thayer, Neboisa Avdalovic | 2000-06-20 |
| 6074541 | Preformed polymer coating process and product | Kannan Srinivasan, Nebojsa Avdalovic | 2000-06-13 |
| 6060525 | Removal of borate in chromatography | Rosanne W. Slingsby, Jacek Jagodzinski | 2000-05-09 |
| 5968363 | Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography | John M. Riviello, Maria Rey, Jacek Jagodzinski | 1999-10-19 |
| 5936003 | Hydrolytically stable resins for use in anion-exchange chromatography | Charanijit Saini, Jacek Jagodzinski | 1999-08-10 |
| 5925253 | Hydrolytically stable resins for use in anion-exchange chromatography | Charaniit Saini, Jacek Jagodzinski | 1999-07-20 |
| 5865994 | Bifunctional crown ether-based cation-exchange stationary phase for liquid chromatography | John M. Riviello, Maria Rey, Jacek Jagodzinski | 1999-02-02 |
| 5843311 | Accelerated solvent extraction method | Bruce Richter, Nathan L. Porter, Brian A. Jones, John L. Ezzell, Nebojsha Avdalovic | 1998-12-01 |
| 5792331 | Preformed polymer coating process and product | Kannan Srinivasan, Neboisa Avdalovic | 1998-08-11 |
| 5597734 | Ion chromatography using frequent regeneration of batch-type suppressor | Hamish Small, John M. Riviello | 1997-01-28 |
| 5571725 | Method for precipitation of insoluble salts in divalent ion-form materials | Archava Siriraks, Rosanne W. Slingsby, Harpreet Singh Dhillon | 1996-11-05 |
| 5532279 | Ion-exchange composition employing resin attachment to dispersant and method for forming the same | Victor B. Barretto, Stephen S. Heberling, Vernon E. Summerfelt | 1996-07-02 |
| 5472584 | Method and apparatus for improved detection of ionic species by capillary electrophoresis | Roy D. Rocklin, John Stillian, Nebojsa Avdalovic | 1995-12-05 |
| 5324752 | Ion-exchange composition employing resin attachment to dispersant and method for forming the same | Victor B. Barretto, Stephen S. Heberling, Vernon E. Summerfelt | 1994-06-28 |
| 5296115 | Method and apparatus for improved detection of ionic species by capillary electrophoresis | Roy D. Rocklin, John Stillian, Neboisa Avdalovic | 1994-03-22 |
| 4999098 | Modified membrane suppressor and method for use | Roseanne W. Slingsby, John Stillian, Ryszard Gajek | 1991-03-12 |
| 4486312 | Analysis of liquid streams using tubing with protuberances on its inner wall | Rosanne W. Slingsby | 1984-12-04 |
| 4455233 | Method and apparatus for ion analysis and detection using reverse mode suppression | Rosanne W. Slingsby, Edward L. Johnson, Leilani Angers | 1984-06-19 |