Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855671 | Water based fluids comprising multivalent salts and low molecular weight, low charge cationic polyacrylamide copolymers | James Norfleet, Michael A. Jarrett, Tao Xiang, Frank E. Evans | 2005-02-15 |