Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674997 | DNA purification on modified siligates | Daniel L. Woodard, James A. Down | 1997-10-07 |
| 5650506 | Modified glass fiber membranes useful for DNA purification by solid phase extraction | Daniel L. Woodard, James A. Down | 1997-07-22 |
| 5625054 | DNA purification by solid phase extraction using fluorinated celite | Daniel L. Woodard, James A. Down | 1997-04-29 |
| 5616701 | DNA purification by solid phase extraction using a hydroxide-washed glass fiber membrane | Daniel L. Woodard, James A. Down | 1997-04-01 |
| 5610290 | DNA purification by solid phase extraction using glass fiber membrane previously treated with trifluoroacetic acid, and then with fluoride ion, hydroxide ion, or Bcl.sub.3 | Daniel L. Woodard, James A. Down | 1997-03-11 |
| 5610291 | Glass fiber membranes modified by treatment with SiCl.sub.4, AlCl.sub.3 or BCl.sub.3 and washing with NaOH to set as a DNA Adsorbant | Daniel L. Woodard, James A. Down | 1997-03-11 |
| 5606046 | DNA purification by solid phase extraction using trifluorometric acid washed glass fiber membranes | Daniel L. Woodard, James A. Down | 1997-02-25 |
| 5534054 | Silicon tetrahydrazide for purification of DNA | Daniel L. Woodard | 1996-07-09 |
| 5525319 | Boron silicates, aluminum silicates, and phosphosilicates for purification of DNA | Daniel L. Woodard, James A. Down | 1996-06-11 |
| 5523392 | Purification of DNA on aluminum silicates, and phosphosilicates | Daniel L. Woodard, James A. Down | 1996-06-04 |
| 5520899 | Process for preparing boron, aluminum, and phosphorus silicates for purification of DNA | Daniel L. Woodard, James A. Down | 1996-05-28 |
| 5503816 | Silicate compounds for DNA purification | Daniel L. Woodard, James A. Down | 1996-04-02 |
| 5438127 | DNA purification by solid phase extraction using a PCl.sub.3 modified glass fiber membrane | Daniel L. Woodard, James A. Down | 1995-08-01 |
| 5438129 | DNA purification by solid phase extraction using partially fluorinated aluminum hydroxide adsorbant | Daniel L. Woodard, James A. Down | 1995-08-01 |
| 5376527 | Process for lysing mycobacteria | Jillian A. Robson, William Keating, James A. Down | 1994-12-27 |
| 5342931 | Process for purifying DNA on hydrated silica | Daniel L. Woodard, James A. Down | 1994-08-30 |
| 5329000 | Purification of DNA with silicon tetrahydrazide | Daniel L. Woodard | 1994-07-12 |