| Patent No. | Description |
|---|
| 6,043,391 | New Anionic Surfactants for Large Quantity Applications |
| 6,022,834 | Anionic ASP Composition |
| 6,736,211 | Sulfonated Phenolic Resins for Low Adsorb |
| 7,373,977 | Viscoelastic Surfactants for EOR |
| 7,427,588 | Alcohol Ether Sulfonates for Hi Temp/Hi TDS |
| 11/811,786 | Organic Alkali for Hard Waters |
| 7,556,098 | Amphoteric Surfactants for High Temp/Hi TDS |
| 7,605,287 | High MW Anionic Surfactants |
| 7,629,299 | Alcohol ether sulfonates |
| 7,678,937 | High MW Anionic Surfactants |
| 7,863,476 | Internal Olefin Ether Sulfonates for Hi Temp/Hi TDS |
| 7,997,284 | Non-estrogenic alkylphenol derivatives |
| 7,998,911 | Environmentally friendly fracturing composition |
| 8,389,448 | Anionic ether amines |
| 8,680,313 | Sulfonated amphoteric surfactants |
| 8,714,247 | Sulfonated amphoteric surfactants for IOR |
| 9,828,543 | Composition of and Methods for Using Hydralic Fracturing Fluids for Petroleum Production |
| 9,834,721 | Composition of and Methods for Using Hydralic Fracturing Fluids for Petroleum Production |
| 10,604,694 | Process and composition for sand and proppant flowback |
| 10,619,089 | Composition of and Methods for Using Hydralic Fracturing Fluids for Petroleum Production |
