Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565513 | Method and composition for delaying the cross-linking of water soluble polymer solutions | E. Wayne Kinsey, III, David N. Harry | 1996-10-15 |
| 5520250 | Method and process for the stabilization of resin coated particulates | David N. Harry | 1996-05-28 |
| 5488083 | Method of gelling a guar or derivatized guar polymer solution utilized to perform a hydraulic fracturing operation | E. Wayne Kinsey, III, David N. Harry | 1996-01-30 |
| 5466846 | Process for preparation of stable aqueous solutions of zirconium chelates | — | 1995-11-14 |
| 5425994 | Resin coated particulates comprissing a formaldehyde source-metal compound (FS-MC) complex | David N. Harry | 1995-06-20 |
| 5316792 | Method and process for the stabilization of resin coated particulates | David N. Harry | 1994-05-31 |
| 5311946 | Method and process for the stabilization of resin coated particulates | David N. Harry | 1994-05-17 |
| 5310489 | Borate cross-linking solutions | — | 1994-05-10 |
| 5268030 | Paper coating composition containing a zirconium chelate insolubilizer | William C. Floyd, III | 1993-12-07 |
| 5266224 | Borate cross-linking solutions | — | 1993-11-30 |
| 5252234 | Borate cross-linking solutions | — | 1993-10-12 |
| 5252235 | Borate cross-linking solutions | — | 1993-10-12 |
| 5252236 | Borate cross-linking solutions | — | 1993-10-12 |
| 5233065 | Method of preparing stable aluminum acetate solutions | — | 1993-08-03 |
| 5217632 | Process for preparation and composition of stable aqueous solutions of boron zirconium chelates for high temperature frac fluids | — | 1993-06-08 |
| 5182408 | Process for preparation of stable aqueous solutions of zirconium chelates | — | 1993-01-26 |
| 5160445 | Borate cross-linking solutions | — | 1992-11-03 |