McMahon; JoAnn
Patent Applications and Registrations
Patent applications and USPTO patent grants for McMahon; JoAnn.The latest application filed is for "high molecular weight polyamine salts as clay stabilizing agents".
- McMahon; JoAnn - Arnold MO
| Patent | Date |
|---|---|
| High molecular weight polyamine salts as clay stabilizing agents Grant 7,838,468 - Poelker , et al. November 23, 2 | 2010-11-23 |
| Polyamine salts as clay stabilizing agents Grant 7,601,675 - Poelker , et al. October 13, 2 | 2009-10-13 |
| High Molecular Weight Polyamine Salts as Clay Stabilizing Agents App 20080132711 - Poelker; David J. ; et al. | 2008-06-05 |
| Polyamine Salts As Clay Stabilizing Agents App 20080108523 - POELKER; DAVID J. ; et al. | 2008-05-08 |
| High molecular weight polyamine salts as clay stabilizing agents Grant 7,328,745 - Poelker , et al. February 12, 2 | 2008-02-12 |
| Process and composition for lower toxicity quaternary ammonium compounds Grant 7,314,951 - Rivers , et al. January 1, 2 | 2008-01-01 |
| Polyamine salts as clay stabilizing agents Grant 7,284,610 - Poelker , et al. October 23, 2 | 2007-10-23 |
| High molecular weight polyamine salts as clay stabilizing agents App 20060254772 - Poelker; David J. ; et al. | 2006-11-16 |
| Polyamine salts as clay stabilizing agents App 20050126782 - Poelker, David J. ; et al. | 2005-06-16 |
| Process and composition for lower toxicity quaternary ammonium compounds App 20050069515 - Rivers, Gordon T. ; et al. | 2005-03-31 |
| Copolymers useful for gelling acids Grant 6,855,672 - Poelker , et al. February 15, 2 | 2005-02-15 |
| Copolymers useful for gelling acids App 20030104948 - Poelker, David J. ; et al. | 2003-06-05 |
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