Patent | Date |
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Phenol-formaldehyde novolac resin having low concentration of free phenol Grant 9,458,349 - Rediger , et al. October 4, 2 | 2016-10-04 |
Amine-aldehyde resins and uses thereof in separation processes Grant 8,702,993 - Wright , et al. April 22, 2 | 2014-04-22 |
Phenol-Formaldehyde Novolac Resin Having Low Concentration of Free Phenol App 20120295114 - Rediger; Richard ;   et al. | 2012-11-22 |
Proppant materials comprising a coating of thermoplastic material, and methods of making and using Grant 8,133,587 - Rediger , et al. March 13, 2 | 2012-03-13 |
Binder compositions compatible with thermally reclaiming refractory particulate material from molds used in foundry applications Grant 8,133,933 - Rediger , et al. March 13, 2 | 2012-03-13 |
Increasing buoyancy of well treating materials Grant 8,058,213 - Rediger , et al. November 15, 2 | 2011-11-15 |
Reducing formaldehyde emissions Grant 8,043,383 - Tutin , et al. October 25, 2 | 2011-10-25 |
Well treating materials comprising coated proppants, and methods Grant 8,003,214 - Rediger , et al. August 23, 2 | 2011-08-23 |
Modified amine-aldehyde resins and uses thereof in separation processes Grant 7,913,852 - Wright , et al. March 29, 2 | 2011-03-29 |
Reducing flow-back in well treating materials Grant 7,754,659 - Rediger , et al. July 13, 2 | 2010-07-13 |
Reducing flow-back in well treating materials App 20080283243 - Rediger; Richard ;   et al. | 2008-11-20 |
Reducing Formaldehyde Emissions App 20080286472 - Tutin; Kim K. ;   et al. | 2008-11-20 |
Increasing Buoyancy Of Well Treating Materials App 20080277115 - Rediger; Richard ;   et al. | 2008-11-13 |
Phenol-formaldehyde Novolac Resin Having Low Concentration Of Free Phenol App 20080280787 - Rediger; Richard ;   et al. | 2008-11-13 |
Proppant Materials And Methods App 20080202750 - Rediger; Richard ;   et al. | 2008-08-28 |
Well Treating Materials And Methods App 20080011477 - Rediger; Richard ;   et al. | 2008-01-17 |
Binder Compositions Compatible With Thermally Reclaiming Refractory Particulate Material From Molds Used In Foundry Applications App 20070112092 - Rediger; Richard ;   et al. | 2007-05-17 |
Modified amine-aldehyde resins and uses thereof in separation processes App 20060151360 - Wright; James ;   et al. | 2006-07-13 |
Amine-aldehyde resins and uses thereof in separation processes App 20060151397 - Wright; James ;   et al. | 2006-07-13 |
Slow release nitrogen coating Grant 6,900,162 - Wertz , et al. May 31, 2 | 2005-05-31 |
Slow release nitrogen coating App 20040023809 - Wertz, Stacey L. ;   et al. | 2004-02-05 |
Well treatment fluid compatible self-consolidating particles Grant 5,948,734 - Sinclair , et al. September 7, 1 | 1999-09-07 |