| DORF KETAL SPECIALITY CATALYSTS, LLC Patent applications |
| Patent application number | Title | Published |
| 20120012317 | Solid Zirconium-Based Cross-Linking Agent and Use in Oil Field Applications - A solid zirconium cross-linking agent and use in a cross-linking composition in oil field applications such as hydraulic fracturing and plugging of permeable zones. The zirconium cross-linking agent is prepared by a process comprising contacting a zirconium complex with an alkanolamine and water at particular mole ratios of alkanolamine and water to zirconium. | 01-19-2012 |
| 20120012316 | Solid Zirconium-Based Cross-Linking Agent and Use in Oil Field Applications - A solid zirconium cross-linking agent is prepared comprising zirconium and hydroxyalkylated ethylene diamine ligand. Use of the cross-linking agent in compositions for oil field applications such as hydraulic fracturing and plugging of permeable zones is also disclosed. | 01-19-2012 |