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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
4440792 Method for preventing gelation of corn steep liquor April 3, 1984
4439272 Pulp mill residual liquor recovery process March 27, 1984
4436545 Process having the two-fold result of the disposal of waste pickle liquor and the production of ... March 13, 1984
4434633 High expression squeeze roll liquor extraction of nonwoven batts March 6, 1984
4431617 Methods for removing malodorous sulfur compounds from pulp mill flue gases and the like by using... February 14, 1984
4428842 Well reserve pit liquor treatment process January 31, 1984
4425842 High expression squeeze roll liquor extraction of nonwoven batts January 17, 1984
4423010 Process for the selective removal of arsenic in the course of the oxidizing attack by means of a... December 27, 1983
4417898 Continuous dyeing process which provides improved wetfastness: alkandlamine-containing dye liquo... November 29, 1983
4418226 Process for refining waste liquor November 29, 1983
4416422 Steplessly adjustable device for injecting black liquor into a soda digester November 22, 1983
4414115 Removal of copper and zinc species from Bayer process liquor by filtration November 8, 1983
4408995 Process for dyeing or finishing textile fibre materials with foamed aqueous liquor containing et... October 11, 1983
4402200 Means for applying foamed treating liquor September 6, 1983
4402701 Leather dyeing agents and their preparation: membrame separation of dye mother liquor September 6, 1983
4401568 Apparatus for processing flushing liquor from coke ovens August 30, 1983
4400359 Process for the hot oxidized attack on a uraniferous ore by a concentrated alkaline liquor with ... August 23, 1983
4382916 Method of preparing hydrochloric acid and high purity ferrous sulfate hydrate crystals from hydr... May 10, 1983
4376099 Process for recovering Cr(VI) ions from a chlorate cell liquor March 8, 1983
4367146 Long vertical shaft bioreactor with modified waste liquor injection January 4, 1983
4363700 Process for pulping lignocellulosic material with an alkaline sulfide cooking liquor containing ... December 14, 1982
4357207 Low molecular weight cationic polymers as deposit inhibitors and dispersants in black liquor rec... November 2, 1982
4338134 Process for binding waste liquor or sludge July 6, 1982
4337129 Regeneration of waste metallurgical process liquor June 29, 1982
4336189 Process for recovering lignosulfonates from spent sulfite liquor June 22, 1982
4334956 Method of reutilizing kraft spent liquor June 15, 1982
4326806 Copper liquor analyzer April 27, 1982
4324747 Pulp waste liquor-phenolic resin binder April 13, 1982
4318772 Saturated liquor cooling tower March 9, 1982
4313788 Process for reducing oxygen consumption in black liquor oxidation February 2, 1982
4311666 Apparatus for controlling the degree of causticization in the preparation of white liquor from t... January 19, 1982
4311679 Treatment of sodium tungstate leach liquor containing dissolved silica, phosphorus, and fluorine... January 19, 1982
4308943 Liquor flask orienter January 5, 1982
4305913 Alumina hydrate production from Bayer liquor by seeding December 15, 1981
4299799 Carbon treatment of monohydrate crystallizer liquor November 10, 1981
4296073 High temperature attack of ores by means of a liquor essentially containing a soluble bicarbonat... October 20, 1981
4294807 System for removing solids from a used lime or limestone slurry scrubbing liquor in flue gas des... October 13, 1981
4280987 Method for treatment of Bayer liquor July 28, 1981
4279703 Apparatus for the distillation of weak ammonia liquor July 21, 1981
4279754 Means for separation of gas and solids from waste mixed liquor July 21, 1981
4274911 Method of cooking cellulose material and preserving the heat and terpentine content of the cooki... June 23, 1981
4275042 Removal of oxalate from Bayer process liquor June 23, 1981
4275043 Removal of oxalate from bayer process liquor June 23, 1981
4263092 Method for treating black liquor using acrylic acid polymer April 21, 1981
4258016 Process for recovering Ni (II), Cu (II) and Co (II) from an ammoniacal-ammonium sulfate leach li... March 24, 1981
4256695 Copper liquor control system March 17, 1981
4256702 Process for the separation of uranium contained in an alkaline liquor March 17, 1981
4256713 Flue gas treatment with intermittent addition of alkaline reagent to scrubbing liquor March 17, 1981
D258478 Liquor bar March 10, 1981
4252571 Bone char and activated carbon mixtures for sugar liquor purification February 24, 1981
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