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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Total: 620
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Patent Number Title Of Patent Date Issued
5472568 Method for controlling the viscosity of Kraft black liquor December 5, 1995
5472674 Apparatus for preparing stock wash liquor December 5, 1995
5465857 Vacuum cap for liquor bottles November 14, 1995
5462564 Inhibition of re-absorption of migrating dyes in the wash liquor October 31, 1995
5462667 Filter for liquor filtration October 31, 1995
5460732 Method of monitoring pH in caustic liquor wet oxidation October 24, 1995
D363194 Liquor containing frozen popsicle form October 17, 1995
5456736 Lap and lapping liquor October 10, 1995
5454856 Recovery of nickel in soluble form from a liquor October 3, 1995
5455011 System and method for heating and gasification of residual waste liquor October 3, 1995
5439556 Oxidation of white liquor using a packing column August 8, 1995
5439557 Method of recovering energy and chemicals from a spent liquor using low frequency sound in a rec... August 8, 1995
5425850 CFB black liquor gasification system operating at low pressures June 20, 1995
5407455 Reactor for gasification of cellulose-waste liquors especially black liquor April 18, 1995
5407478 Use of slaker grits and green liquor dregs in asphalt paving April 18, 1995
5407583 Controlling scale in black liquor evaporators April 18, 1995
5405502 Apparatus for treating black liquor April 11, 1995
5387405 Bayer liquor polishing February 7, 1995
5385586 Liquor oxalate stabilizers January 31, 1995
5382322 Selective white liquor oxidation January 17, 1995
5370771 Process for recovering energy and chemicals from spent liquor using low frequency sound December 6, 1994
5368471 Method and apparatus for use in monitoring and controlling a black liquor recovery furnace November 29, 1994
5360538 Mixed liquor wasting system November 1, 1994
5352333 Process for the partial combustion of cellulose spent liquor using twin-fluid nozzle burner October 4, 1994
5346591 Apparatus for treatment of chips with heated black liquor September 13, 1994
5344572 Method for treating waste pickle liquor September 6, 1994
5340547 Clear liquor scrubbing magnesium-enhanced lime flue gas desulfurization system August 23, 1994
5328677 Recovery of sulfides from tannery waste liquor July 12, 1994
5328707 Recovery of waste liquid from production of rice liquor July 12, 1994
5326433 Multi-level sulfide content white liquor production and utilization in cellulose pulping July 5, 1994
5324431 Process for treating suspended substances in liquor June 28, 1994
5318749 Centrifugation chamber for liquor testing June 7, 1994
5296251 Liquor capable of being frozen when poured March 22, 1994
5286358 Method of analyzing the complexing power of a pickling liquor February 15, 1994
5264001 Sequential oxidative/reductive bleaching and dyeing in a multi-component single liquor system November 23, 1993
5254286 Composition for controlling scale in black liquor evaporators October 19, 1993
5252187 Method of recovering solvent from mother liquor containing non-volatile matters by heat pump sys... October 12, 1993
5234546 Polysulfide production in white liquor August 10, 1993
5230773 Process for the recovery of heat and chemicals from spent liquor July 27, 1993
5213662 Treatment of chips with high temperature black liquor to reduce black liquor viscosity May 25, 1993
5213663 Method for controlling the sodium carbonate concentration of green liquor in the dissolving tank May 25, 1993
5213782 Clear liquor scrubbing magnesium-enhanced lime flue gas desulfurization process May 25, 1993
5205908 Purification of process gas from a partial combustion of black liquor April 27, 1993
5201172 Method for treating black liquor April 13, 1993
5194093 Process for the decoloration of sugar liquor March 16, 1993
5183535 Process for preparing kraft pulp using black liquor pretreatment reaction February 2, 1993
5178774 Purification of aqueous liquor January 12, 1993
5174860 Low temperature recovery of kraft black liquor December 29, 1992
5173318 Method and apparatus for aging a distilled liquor December 22, 1992
5158577 Process for precipitating alumina from Bayer process liquor October 27, 1992
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