| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 4440792 |
Method for preventing gelation of corn steep liquor |
April 3, 1984 |
