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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Total: 621
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Patent Number Title Of Patent Date Issued
4704259 Removal of chromium from cell liquor November 3, 1987
4694753 Continuous production of low density base grain with a salt-free liquor September 22, 1987
4692209 Recovery of chemicals from pulp waste liquor September 8, 1987
4690313 Bottle mounted adjustable liquor dispensing device September 1, 1987
4683841 Control of a black liquor recovery boiler August 4, 1987
4682985 Gasification of black liquor July 28, 1987
4678477 Process for lowering level of contaminants in Bayer liquor by membrane filtration July 7, 1987
4676912 Waste liquor disposal methods June 30, 1987
4676913 Coal liquor clarification with water-soluble, high molecular weight polymers having low concentr... June 30, 1987
4670098 Process for preparing cellulose pulp from lignocellulosic material while removing high molecular... June 2, 1987
4668342 Recausticizing kraft green liquor May 26, 1987
4663133 Removal of high molecular weight organic compounds from Bayer process caustic liquor May 5, 1987
4655056 Foamed treating liquor applicator April 7, 1987
4654046 Continuous process for dyeing cellulose/polyamide blends: thermobol pad liquor containing nonion... March 31, 1987
4637858 Pyrolysis of black liquor at high temperatures using radiant energy January 20, 1987
4631129 Production of pure sugars and lignosulfonates from sulfite spent liquor December 23, 1986
4628803 Autoclave for processing cocoa liquor December 16, 1986
4629469 Humectant composition derived from kraft black liquor December 16, 1986
4624742 Method of determining black liquor solids concentration remaining in a washed pulp mat November 25, 1986
4619732 Method for drying pulping liquor to a burnable solid October 28, 1986
4619733 Pollution free pulping process using recycled wash effluent from multiple bleach stages to remov... October 28, 1986
4602999 Method for removing a silicic compound from the waste liquor of steel pickling July 29, 1986
4601786 Recovery of chemicals from pulp waste liquor with plasma generator heating July 22, 1986
4581207 Recovery of aluminum from spent liquor April 8, 1986
4566529 Cooling device, in which converters or rectifiers or other semiconductor components are immersed... January 28, 1986
4563340 Process for the secondary obtention of sodium carbonate from FLP waste liquor January 7, 1986
4561934 Method of recovering chemicals from chloride-containing green liquor December 31, 1985
4551198 Method of flashing black liquor November 5, 1985
4547348 Conditioning of laterite pressure leach liquor October 15, 1985
4543163 Process for recovery of amine from spent acid stripping liquor September 24, 1985
4540556 Dual alkali scrubber liquor regeneration with production of gypsum September 10, 1985
4537656 Method for delignifying or bleaching cellulose pulp wherein chlorine is added to recycle liquor ... August 27, 1985
4536253 Process for controlling the properties of white liquor August 20, 1985
4529479 Method for multistage bleaching and washing with recycle of displaced bleaching liquor July 16, 1985
4522685 Method of operating a spent pulping liquor combustion apparatus June 11, 1985
4517053 Apparatus for sampling paper pulp liquor May 14, 1985
4498955 Control of active alkali in black liquor February 12, 1985
4496524 Process for the removal of sodium oxalate compounds from Bayer spent liquor January 29, 1985
4491501 Method for washing a fibrous particle mat with wash liquor having an impact energy sufficient to... January 1, 1985
4486458 Non-gelling corn steep liquor December 4, 1984
4481074 Process for the preparation of a sodium sulphite containing liquor November 6, 1984
4476001 Device for collecting alkaline cell liquor from an electrolytic cell October 9, 1984
4472246 Process for recovery of amine from spent acid stripping liquor September 18, 1984
4470957 Method for recovering sodium chemicals from green liquor and flue gases September 11, 1984
4464347 Recovery of aluminum from spent liquor August 7, 1984
4462319 Method and apparatus for safely controlling explosions in black liquor recovery boilers July 31, 1984
4462969 Regeneration of sulfur dioxide scrubber liquor July 31, 1984
4452699 Method of improving the SVI of mixed liquor in aeration tank June 5, 1984
D274031 Liquor dispensing head May 29, 1984
4444631 Electrochemical purification of chlor-alkali cell liquor April 24, 1984
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