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1963-11-27 |
1969-04-01 |
American Potash & Chem Corp |
Process for removing impurities from a fluid stream
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1963-12-23 |
1966-11-01 |
Culligan Inc |
Ion exchange system
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1964-09-16 |
1968-07-09 |
Industrial Filter Pump Mfg Co |
Apparatus for regenerating materials
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1965-03-08 |
1968-01-23 |
Diamond Crystal Salt Co |
Method and apparatus for producing brine
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1965-12-28 |
1971-01-12 |
Kennecott Copper Corp |
Apparatus for precipitating metal from a solution
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1966-07-11 |
1969-11-18 |
Kennecott Copper Corp |
Apparatus for precipitating metal values from a solution pregnant with such values
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1968-01-31 |
1970-12-22 |
Hart Brown |
Contact process and apparatus
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1968-05-30 |
1979-02-22 |
Mannesmann Ag, 4000 Duesseldorf |
Verfahren und Vorrichtung zum Entsalzen von Flüssigkeiten unter Verwendung von Ionenaustauschern
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1968-08-22 |
1970-02-26 |
Permutit Co Ltd |
Ionenaustauschverfahren
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1972-03-27 |
1974-09-30 |
Degussa |
Procedimento e dispositivo per l eluizione di sostanze da preci pitati voluminosi o sospensioni
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1972-03-27 |
1976-02-24 |
Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler |
Apparatus for the releasing of materials from voluminous precipitates or suspensions
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1974-01-14 |
1976-05-25 |
E. I. Du Pont De Nemours And Company |
Apparatus for stripping residual solvent from polymer pellets
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1977-03-29 |
1978-10-17 |
General Electric Company |
Separation of mixed ion exchange resins
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1977-08-10 |
1982-06-09 |
Gerhard Dipl.-Chem. Dr.rer.nat. 4040 Neuss Quentin |
Verfahren zur Reinigung technischer Zuckerlösungen
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1991-03-06 |
1994-06-08 |
Agfa-Gevaert N.V. |
Ion exchange resin holder
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1991-08-08 |
1993-05-25 |
Chromaflow, Inc. |
Apparatus for charging and discharging of chromatography column bed
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1998-12-10 |
2002-11-27 |
Millipore Corp |
Chromatography column system and method of packing a chromatography system
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2004-02-09 |
2011-01-04 |
Drake Engineering Incorporated |
Apparatus for removing undesirable components from a contaminated solution containing both desirable and undesirable components
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2004-02-09 |
2005-08-11 |
Drake Ronald N. |
Controlled liquid purification system
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2005-02-07 |
2014-05-13 |
Drake Water Technologies, Inc. |
Methods for hydrodynamic control of a continuous water purification system
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2004-02-09 |
2008-05-06 |
Drake Engineering Incorporated |
Method for preferentially removing monovalent cations from contaminated water
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2015-02-10 |
2018-04-03 |
Drake Water Technologies, Inc. |
Methods and apparatus for counter-current leaching of finely divided solids
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2015-05-08 |
2018-05-31 |
Dow Global Technologies Llc |
Process of use of adsorbent resin particles
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2020-07-13 |
2023-08-31 |
Evoqua Water Technologies Llc |
Regenerative media filter with flow diffuser
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