Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Total: 569
1 2 3 4 5 6 7 8 9 10 11 12


Patent Number Title Of Patent Date Issued
6589492 Process for recovering catalyst components from a mother liquor of liquid phase oxidation July 8, 2003
6582554 Continuous digester having a sectioned top separator with multiple liquor extraction ports June 24, 2003
6578529 Arrangement for feeding black liquor into a recovery boiler June 17, 2003
6555038 Method for producing aqueous liquor dyeable modified polypropylene threads and the use thereof April 29, 2003
6540871 Method for processing black liquor sediment April 1, 2003
6506294 Process for regeneration of electrolytes from pickle liquor, in particular of NA2S04 from pickle... January 14, 2003
6507397 Automatic color-tone test device and automatic controlling system for dye liquor January 14, 2003
6500301 Apparatus for gasification of spent liquor December 31, 2002
6478235 Device for the cleaning of a liquor spray nozzle assembly of a soda recovery boiler November 12, 2002
6468429 Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors October 22, 2002
6464827 Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissoc... October 15, 2002
6462210 Fractionation process for the unsaponifiable material derived from black-liquor soaps October 8, 2002
6425976 Method for black liquor gasification in recovery boilers July 30, 2002
6408771 Methods of improving productivity of black liquor recovery boilers June 25, 2002
6382455 Liquor vessel available for hanging goblets May 7, 2002
6379558 Process for treating development waste liquor April 30, 2002
6361960 Method and test kit for measuring concentration of a cleaning agent in a wash liquor March 26, 2002
6350348 Batch cooking with black liquor pretreatment February 26, 2002
6348128 Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition February 19, 2002
6332559 Liquor dispensing apparatus December 25, 2001
6306252 Heat recovery from spent digester cooking liquor October 23, 2001
6297353 Process for obtaining unsaponifiable compounds from black-liquor soaps, tall oil and their by-pr... October 2, 2001
6293973 Method of controlling oxalate precipitation in bayer process liquor September 25, 2001
6270665 Aeration tank of organic waste liquor and aeration apparatus using the tank August 7, 2001
6270815 Fermentation process for preparing erythritol using mother liquor produced from purification pro... August 7, 2001
6235151 Inhibiting scaling in alkaline waste liquor evaporators May 22, 2001
6228214 Method for black liquor gasification in recovery boilers May 8, 2001
6183598 Process for recovering alkali and black liquor containing silicatae February 6, 2001
6174161 Method and apparatus for partial oxidation of black liquor, liquid fuels and slurries January 16, 2001
6168685 Process FOR oxidation of concentrated black liquor January 2, 2001
6165316 Method and plant for separating soap from black liquor using a pressure screen December 26, 2000
6155210 Process for obtaining flue gases with low content of NO.sub.x while combusting black liquor and ... December 5, 2000
6153107 Process for treating development waste liquor November 28, 2000
6139689 Apparatus for digesting pulp in a displacement batch digester that uses displacement liquor havi... October 31, 2000
6132555 Method and arrangement for increasing evaporation capacity of a multi-stage evaporator of spent ... October 17, 2000
6132556 Method of controlling pulp digester pressure via liquor extraction October 17, 2000
6123808 Distribution of dilution liquor to the discharge of a cellulose pulp digester September 26, 2000
D431146 Liquor treating apparatus September 26, 2000
6113739 Process for washing gas formed by gasifying black liquor September 5, 2000
6110323 Methods of refining agricultural residues to absorbent cellulose, xylose, and plant nutrient liq... August 29, 2000
6103057 Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor August 15, 2000
6090240 Method of inhibiting scaling in black liquor evaporators July 18, 2000
D427908 Liquor bottle July 11, 2000
6071377 Process for obtaining flue gases with low content of NO.sub.x in a black liquor recovery boiler June 6, 2000
6063238 Black liquor impregnation in digester May 16, 2000
6039782 Preparing organic powder by anaerobically treating fermentation waste fluid and aerobically trea... March 21, 2000
6036817 Composition containing a polymethylalkyl siloxane for enhancing white liquor penetration into wo... March 14, 2000
6030113 Mixing apparatus and method for mixing black liquor from cellulose production with ash from flue... February 29, 2000
6030492 Impregnation of cellulose-containing material with black liquor in a single vessel digester February 29, 2000
6030493 Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers February 29, 2000
1 2 3 4 5 6 7 8 9 10 11 12


 
 
  Recently Added Patents
Semiconductor device with a recessed bond pad
Methods and systems for determining temperature of an object
Ice-making machine
Lipase genes
Longitudinally pumped solid state laser and methods of making and using
Method and apparatus for creating intrauterine adhesions
Electromagnetic valve
  Randomly Featured Patents
Windowpane antenna combined with a resisting heating area
Velocity compensator assembly in a horizontal article conveyor system
Variable propagation delay digital signal inverter
Cosmetic container
Driving apparatus for vibration type actuator apparatus
Post
Method and an apparatus for machining optical components
Vibratory linear motor system
Process for the recovery of nickel
Internet system for connecting client-travelers with geographically-associated data