Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693785 | Purification of DNA on Hydroxylated Silicas | Adriann H. Walters, James A. Down | 1997-12-02 |
| 5674997 | DNA purification on modified siligates | Adriann J. Howard, James A. Down | 1997-10-07 |
| 5650506 | Modified glass fiber membranes useful for DNA purification by solid phase extraction | Adriann J. Howard, James A. Down | 1997-07-22 |
| 5625054 | DNA purification by solid phase extraction using fluorinated celite | Adriann J. Howard, James A. Down | 1997-04-29 |
| 5620869 | Methods for reducing inhibition of nucleic acid amplification reactions | Adriann H. Walters, Michael C. Little | 1997-04-15 |
| 5616701 | DNA purification by solid phase extraction using a hydroxide-washed glass fiber membrane | Adriann J. Howard, James A. Down | 1997-04-01 |
| 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 | Adriann J. Howard, James A. Down | 1997-03-11 |
| 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 | Adriann J. Howard, James A. Down | 1997-03-11 |
| 5606046 | DNA purification by solid phase extraction using trifluorometric acid washed glass fiber membranes | Adriann J. Howard, James A. Down | 1997-02-25 |
| 5583217 | Fluorogenic and chromogenic .beta.-lactamase substrates | J. Michael Quante, Randal A. Hoke, Patrick D. Mize, O. Elmo Millner, deceased | 1996-12-10 |
| 5534054 | Silicon tetrahydrazide for purification of DNA | Adriann J. Howard | 1996-07-09 |
| 5525319 | Boron silicates, aluminum silicates, and phosphosilicates for purification of DNA | Adriann J. Howard, James A. Down | 1996-06-11 |
| 5523392 | Purification of DNA on aluminum silicates, and phosphosilicates | Adriann J. Howard, James A. Down | 1996-06-04 |
| 5520899 | Process for preparing boron, aluminum, and phosphorus silicates for purification of DNA | Adriann J. Howard, James A. Down | 1996-05-28 |
| 5516902 | Process for preparing cephalosporin compounds | J. Michael Quante, Randal A. Hoke, Patrick D. Mize, O. Elmo Millner, deceased | 1996-05-14 |
| 5514561 | Fluorogenic and chromogenic .beta.-lactamase substrates | J. Michael Quante, Randal A. Hoke, Patrick D. Mize, O. Elmo Millner, deceased | 1996-05-07 |
| 5503816 | Silicate compounds for DNA purification | Adriann J. Howard, James A. Down | 1996-04-02 |
| 5438129 | DNA purification by solid phase extraction using partially fluorinated aluminum hydroxide adsorbant | Adriann J. Howard, James A. Down | 1995-08-01 |
| 5438127 | DNA purification by solid phase extraction using a PCl.sub.3 modified glass fiber membrane | Adriann J. Howard, James A. Down | 1995-08-01 |
| 5405951 | Solid phase extraction purification of DNA | — | 1995-04-11 |
| 5342931 | Process for purifying DNA on hydrated silica | Adriann J. Howard, James A. Down | 1994-08-30 |
| 5338843 | Fluorogenic and chromogenic .beta.-lactamase substrates | J. Michael Quante, Randal A. Hoke, Patrick D. Mize, O. Elmo Millner, deceased | 1994-08-16 |
| 5329000 | Purification of DNA with silicon tetrahydrazide | Adriann J. Howard | 1994-07-12 |