Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6764535 | Apparatus for purification of carbon dioxide | Jon Gingrich | 2004-07-20 |
| 6511528 | Purification of carbon dioxide | Jon Gingrich | 2003-01-28 |
| 6099619 | Purification of carbon dioxide | Jon S. Ginrich | 2000-08-08 |
| 6074460 | Analysis of volatile organic compounds in water and air using attapulgite clays | — | 2000-06-13 |
| 6074459 | Ultra pure gases: removal of halocarbons, fluorocarbons, and sulfur compounds from gas streams | Jon Gingrich | 2000-06-13 |
| 5858068 | Purification of carbon dioxide | Jon Gingrich | 1999-01-12 |
| 5719322 | Zeolitic capillary columns for gas chromatography | Stephen T. Wilson, Hermann A. Zinnen | 1998-02-17 |
| 5552042 | Rigid silica capillary assembly | David A. Le Febre, Roy V. Semerdjian | 1996-09-03 |
| 5536301 | Methods for analysis of volatile organic compounds in water and air | Jon Gingrich, Catherine L. Lindberg | 1996-07-16 |
| 5476985 | Process for separating linear and branched hydrocarbons using alkylene-bridged polysilsesquioxanes | Timothy A. Brandvold | 1995-12-19 |
| 5449853 | Process for separating hydrocarbons using alkylene-bridged polysilsesquioxanes | Timothy A. Brandvold | 1995-09-12 |
| 5414192 | Process for separating linear and branched hydrocarbons using aryl-bridged polysilsesquioxanes | — | 1995-05-09 |
| 5405992 | Process for concurrent esterification and separation using a simulated moving bed | Gregory A. Funk, Ajay K. Chandhok | 1995-04-11 |
| 5396020 | Process for separating hydrocarbons using aryl-bridged polysilsesquioxanes | — | 1995-03-07 |
| 5276246 | Process for separating normal olefins from non-normal olefins | Beth McCulloch | 1994-01-04 |
| 5220102 | Process for separating normal olefins from non-normal olefins | Gregory A. Funk, Anil R. Oroskar, Beth McCulloch | 1993-06-15 |
| 5177299 | Recovery of high octane components from isomerates | Beth McCulloch, Hemant Agrawal | 1993-01-05 |
| 5107052 | Extraction of dimethyl paraffins from isomerates | Beth McCulloch, Srikantiah Raghuram, Robert S. Haizmann | 1992-04-21 |