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Patent applications and USPTO patent grants for Cody; Charles.The latest application filed is for "less temperature dependent drilling fluids for use in deep water and directional drilling and processes for providing less temperature dependent rheological properties to such drilling fluids".
Patent | Date |
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Less temperature dependent drilling fluids for use in deep water and directional drilling and processes for providing less temperature dependent rheological properties to such drilling fluids Grant 6,187,719 - Dino , et al. February 13, 2 | 2001-02-13 |
Non-volatile quaternary ammonium compositions and their uses Grant 6,103,687 - Cody , et al. August 15, 2 | 2000-08-15 |
Polyurethane thickeners useful for clear and high gloss aqueous based systems a process for providing rheological properties to clear aqeous-based systems using such thickeners and clear aqueous-based systems containing such thickeners Grant 5,973,063 - Doolan , et al. October 26, 1 | 1999-10-26 |
Process for producing organoclays with quaternary ammonium compositions made using non volatile diluents Grant 5,759,938 - Cody , et al. June 2, 1 | 1998-06-02 |
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