CP

Curtis D. Pfeiffer

The Dow Chemical: 10 patents #305 of 4,115Top 8%
🗺 Michigan: #8,484 of 86,293 inventorsTop 10%
Overall (All Time): #471,490 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6790669 Method for chemical analysis of biological material Nile N. Frawley, Thomas L. Peters, Philip J. Savickas, David R. Albers, Steven J. Gluck +2 more 2004-09-14
5679255 Microcolumns for chromatography and method for making same Hernan J. Cortes 1997-10-21
5641404 Process for the separation of enantiomers Lawrence W. Nicholson, Christian T. Goralski 1997-06-24
5522988 On-line coupled liquid and gas chromatography system with an interface capillary tube interposed between a pair of capillary chromatographic columns Hernan J. Cortes, Bruce Richter 1996-06-04
5376277 Multidimensional chromatographic system Hernan J. Cortes, Steven J. Martin, Charles G. Smith, Gary L. Jewett 1994-12-27
5240604 Multidimensional chromatographic system Hernan J. Cortes, Steven J. Martin, Charles G. Smith, Gary L. Jewett 1993-08-31
5236593 On-line coupled liquid and gas chromatography system with an interface capillary tube interposed between a pair of capillary chromatographic columns Hernan J. Cortes, Bruce Richter 1993-08-17
5231466 Capillary fluid stream concentration measuring apparatus and method Steven R. Erskine, Hernan J. Cortes, Yvonne M. Walbroehl 1993-07-27
5139681 On-line multidimensional chromatographic system with large volume injection handling for supercritical fluid chromatography Hernan J. Cortes, Robert Marshall Campbell, R. Paul Himes 1992-08-18
4935145 On-line coupled liquid and gas chromatography system Hernan J. Cortes, Bruce Richter 1990-06-19
4793920 Chromatography columns with cast porous plugs and methods of fabricating same Hernan J. Cortes, Bruce Richter, Timothy S. Stevens 1988-12-27