| Patent Number |
Title Of Patent |
Date Issued |
| 6026952 |
Liquor and cigar combination pack |
February 22, 2000 |
| 6027609 |
Pulp-mill recovery installation for recovering chemicals and energy from cellulose spent liquor ... |
February 22, 2000 |
| 6024833 |
Process for removing metals and recovering a chelating agent from a bleach plant waste liquor |
February 15, 2000 |
| 6019034 |
Apparatus for treatment of liquor |
February 1, 2000 |
| D418715 |
Liquor pot |
January 11, 2000 |
| 6007636 |
Method to recycle an aqueous acidic liquor used for depolymerization of cellulose |
December 28, 1999 |
| 5997693 |
Stock liquor pressure pulsation absorbing apparatus and method |
December 7, 1999 |
| 5992337 |
Methods of improving productivity of black liquor recovery boilers |
November 30, 1999 |
| 5984987 |
Black liquor gasification process |
November 16, 1999 |
| 5986219 |
Method of inventorying liquor |
November 16, 1999 |
| 5972165 |
Method of producing oxidized white liquor using dregs containing carbon particles |
October 26, 1999 |
| 5944950 |
Process for the final evaporation of black liquor |
August 31, 1999 |
| 5925216 |
Method of continuous pulping in a digester with high black liquor usage in the impregnation stag... |
July 20, 1999 |
| 5919502 |
Compound liquor |
July 6, 1999 |
| 5901527 |
Wedge splash plate for kraft recovery furnace black liquor burners |
May 11, 1999 |
| 5902560 |
Method for inhibiting precipitation of sodium oxalate in a Bayer process liquor |
May 11, 1999 |
| 5900112 |
Method of reducing the viscosity of a black liquor using thiocyanate salt |
May 4, 1999 |
| 5897904 |
Method for the production of high proof liquor |
April 27, 1999 |
| 5895507 |
Diesel or dual-fuel engine and black liquor gasifier combined cycle |
April 20, 1999 |
| 5879511 |
Recovery boiler operation with black liquor feed in separate liquid stream and solid stream |
March 9, 1999 |
| 5868805 |
Process for integrated evaporation and gasification of spent liquor from cellulose cooking |
February 9, 1999 |
| 5855622 |
Hydrogen peroxide-containing bleach liquor and bleaching method thereby |
January 5, 1999 |
| 5843316 |
Method of separating sodium hydroxide from white liquor or polysulfide liquor using diffusion di... |
December 1, 1998 |
| 5814189 |
Method for gasifying cellulose spent liquor to produce superheated steam and green liquor of low... |
September 29, 1998 |
| 5787720 |
Method and device for pre-cooling brewing liquor |
August 4, 1998 |
| 5787735 |
Bleach liquor recovery system |
August 4, 1998 |
| 5788812 |
Method of recovering furfural from organic pulping liquor |
August 4, 1998 |
| 5788813 |
Clarifying and/or filtering of green liquor and an apparatus therefore |
August 4, 1998 |
| 5778635 |
Machine for applying heat-sealable pilferproof disks to bottles of wine liquor beverages in gene... |
July 14, 1998 |
| 5778763 |
Apparatus and process for treating bottled liquor |
July 14, 1998 |
| 5776426 |
Treatment of solid material containing fluoride and sodium including mixing with caustic liquor ... |
July 7, 1998 |
| 5773056 |
High cocoa/chocolate liquor syrups with improved flow properties |
June 30, 1998 |
| 5773590 |
Methods of separating lignin solids and black liquor from tall oil fatty acids |
June 30, 1998 |
| 5770164 |
Clear liquor organic acid flue gas desulfurization system |
June 23, 1998 |
| 5762005 |
Wedge splash plate for kraft recovery furnace black liquor burners |
June 9, 1998 |
| 5759345 |
Process for treating sulphur-containing spent liquor using multi-stage carbonization |
June 2, 1998 |
| 5752994 |
Black liquor gasifier |
May 19, 1998 |
| 5746886 |
Method for the recovery of energy and chemicals from cellulose spent liquor containing potassium... |
May 5, 1998 |
| 5740745 |
Process for increasing the effectiveness of slag control chemicals for black liquor recovery and... |
April 21, 1998 |
| 5741920 |
Inhibition of re-absorption of migrating dyes in the wash liquor |
April 21, 1998 |
| 5736007 |
Method of liquor removal from particulate solids |
April 7, 1998 |
| D393209 |
Liquor flask |
April 7, 1998 |
| 5733341 |
Inhibition of dye migration in a wash liquor |
March 31, 1998 |
| 5728180 |
Adsorbent combinations for enhanced removal of sodium oxalate from bayer process spent liquor |
March 17, 1998 |
| 5728265 |
Process for enhancing white liquor penetration into wood chips by contacting the chips with a mi... |
March 17, 1998 |
| 5719101 |
Porous granular material obtained from wool scouring liquor, method for the manufacture thereof ... |
February 17, 1998 |
| 5715763 |
Combustion system for a black liquor recovery boiler |
February 10, 1998 |
| 5716496 |
Method and apparatus for treatment of black liquor |
February 10, 1998 |
| 5705031 |
Process for removing and washing dregs from green liquor in a kraft pulp mill |
January 6, 1998 |
| 5705032 |
Black liquor viscosity control |
January 6, 1998 |