| Patents for D21C 7 - Digesters (1,988) |
|---|
| 07/20/2006 | US20060157209 Method and apparatus to distribute the inflow of liquors in a Batch Digester |
| 07/19/2006 | EP0963480B1 Method and device for the continuous cooking of chemical pulp |
| 07/13/2006 | WO2006072653A1 Method for controlling a pulping process |
| 07/13/2006 | US20060151135 Method to determine pulping yield |
| 07/13/2006 | CA2592887A1 Method for controlling a pulping process |
| 07/05/2006 | CN1796656A Semi-cellulose low polymer produced from fibrous farm dreges and other reyenerable Chemical substance |
| 06/29/2006 | US20060137839 Modernization of existing pulp towers either to allow the use of higher consistencies in the storage part thereof, or to allow the dilution to a lower consistency; for use in the wood processing industry for bleaching and/or storage of high-consistency pulp; efficiency, upgrading |
| 06/13/2006 | US7060162 Chip bin |
| 06/13/2006 | CA2215809C A plug screw-feeder |
| 06/07/2006 | EP1664421A1 Chemimechanical desilication of nonwood plant materials |
| 05/31/2006 | EP1660717A1 Chip bin |
| 05/24/2006 | CN1777718A An arrangement for and a method of treating pulp, and a method of modernizing a pulp tower |
| 05/04/2006 | US20060090869 Process for feeding pulp into a blow tank or storage tank |
| 05/04/2006 | US20060090865 Method of bleaching cellulose pulp and bleaching line therefore |
| 05/04/2006 | US20060090864 Method of bleaching cellulose pulp and bleaching line therefore |
| 04/06/2006 | US20060070710 Method and a device for preparing cellulose pulp |
| 04/06/2006 | US20060070709 Method for the continuous cooking of wood raw material for cellulose pulp |
| 04/05/2006 | CN2769312Y Disc type thermal dispersing device used during paper-making process |
| 02/23/2006 | US20060037723 Method for the feed of cellulose chips during the continuous cooking of cellulose |
| 02/07/2006 | CA2193448C Process for the production of cellulose |
| 01/26/2006 | WO2006007683A1 Method and apparatus for deriving information from liquor obtained in the course of a wood digestion reaction |
| 01/24/2006 | US6989078 System for conveying shredded pulp to an ozone reactor |
| 01/11/2006 | CN2751055Y Spiral discharging storehouse |
| 01/05/2006 | WO2006000642A1 Screen assembly for a pulp digester |
| 01/05/2006 | CA2571408A1 Screen assembly for a pulp digester |
| 01/04/2006 | CN1715554A Water washing continuous boiling method and its device for grass fiber raw material |
| 12/29/2005 | US20050284594 Screen assembly for a pulp digester |
| 12/22/2005 | US20050279468 Method and system for feeding cellulose chips to a high pressure continuous cooking system |
| 12/22/2005 | CA2765084A1 Method and system for feeding cellulose chips to a high pressure continuous cooking system |
| 12/15/2005 | US20050274468 Central screen |
| 12/15/2005 | US20050274467 Digester wash extraction by individual screen flow control |
| 12/14/2005 | EP1604060A1 Method for producing corn stalk pulp and paper products from corn stalk pulp |
| 12/08/2005 | WO2005116328A1 Screen device for a digester for producing pulp |
| 12/08/2005 | WO2005116327A1 Central screen |
| 12/08/2005 | WO2005116326A1 System for the continuous descaling of fibrous plants for the production of semi-chemical papermaking pulp |
| 12/08/2005 | CA2567046A1 Central screen |
| 12/08/2005 | CA2537087A1 Screen device for a digester for producing pulp |
| 12/07/2005 | EP1601832A1 An arrangement for adjusting rotor position in a roting sluice |
| 11/22/2005 | US6966970 Method for supplying washing liquid to a process for cooking cellulose pulp |
| 11/16/2005 | CN1697901A Method for producing corn stalk pulp and paper products from corn stalk pulp |
| 11/10/2005 | WO2005106122A1 Tissue paper with protruding lotion deposits |
| 11/09/2005 | EP1592838A1 An arrangement for and a method of treating pulp, and a method of modernizing a pulp tower |
| 10/27/2005 | US20050238682 Tissue paper with protruding lotion deposits |
| 10/27/2005 | US20050236131 Automatically controlled steam flaking systems and methods |
| 10/25/2005 | US6958109 either to an upper or lower part of a blow tank from a batch digester, controlled by a consistency detector arranged in a blow pump |
| 10/11/2005 | CA2453335C Tapered screen assembly for a cellulose pulp digester |
| 10/11/2005 | CA2178201C Reducing gaseous emissions from a chip bin |
| 09/14/2005 | EP1470288B1 Continuous cooking of cellulose pulp with improved heat economy |
| 08/16/2005 | CA2248728C Process for continuously guiding liquids when digesting pulp in a digester |
| 08/11/2005 | US20050173081 Method for continuous cooking |
| 08/10/2005 | EP1561856A1 Method for continuous cooking of cellulose pulp |
| 08/10/2005 | CN1214151C Pulping method of non-wood fibers with no black liquor drained off |
| 08/03/2005 | CN1648334A Disc type heat dispersing method and its device for paper-making process and use |
| 07/14/2005 | WO2005064078A1 Feed of a mixture of chips and fluid from a low-pressure system to a high-pressure system |
| 07/14/2005 | US20050150721 Working device for inner wall surface of tower tank, and inner wall surface working method using the same |
| 07/13/2005 | EP1552053A1 A continuous process for the cooking of cellulose-besed pulp and a pulp digester applicable for the same |
| 07/13/2005 | CN1638915A Working device for inner wall surface of tower tank, and inner wall surface working method using the same |
| 07/07/2005 | WO2005061781A1 Device and method withdrawing cellulose pulp from a container |
| 07/06/2005 | CN1636091A Paper plant - method and apparatus for producing pulp from cellulosic fibrous raw materials and recovering chemicals and energy from pulp liquors |
| 07/05/2005 | US6913672 Methods for analyzing boron-containing alkaline pulping liquors |
| 06/09/2005 | US20050121158 Method and system for the treatment of pulp prior to ozone bleaching |
| 06/09/2005 | DE10350075A1 Verfahren und Vorrichtung zur Prozessführung bei der Zellstoffkochung Method and apparatus for process control in pulp digestion |
| 06/08/2005 | EP1538256A2 Implementation of dissolved solids profiling |
| 06/02/2005 | WO2005019526A3 System and method for controlling a processor including a digester utilizing time-based assessments |
| 05/18/2005 | CN1616760A Vertical boiling pot for paper pulp |
| 05/18/2005 | CN1616759A Ecological balance pulping method without pollution |
| 05/12/2005 | US20050101483 Heat transfer recording medium and printed product |
| 05/10/2005 | US6889851 Bar screen |
| 05/04/2005 | EP1528148A2 Method and apparatus for conducting the process of cooking cellulose pulp |
| 04/28/2005 | US20050087314 Pulp cooking with particular alkali profiles |
| 04/20/2005 | EP1523594A1 A method and a digester for the continuous cooking of wood raw material to cellulose pulp |
| 04/12/2005 | CA2293564C Method for continuous cooking in a single-vessel digester |
| 04/05/2005 | CA2182688C Recycling of knots in a continuous process for cooking chemical pulp |
| 03/29/2005 | CA2250490C System for feeding a suspension to a pressurized vessel |
| 03/29/2005 | CA2174970C Method and device for the continuous cooking of pulp |
| 03/24/2005 | US20050061464 Feeding arrangement for feeding of chips to chip bins |
| 03/24/2005 | US20050061459 A pressure vessel having a lengthwise axis, rear upstream inlet end having wood chip intake means, and front outlet having pulp outlet means; washing and digesting; delignification |
| 03/24/2005 | US20050061458 Method and arrangement for impregnating chips |
| 03/23/2005 | CN2687159Y Rotary high-pressure steam container |
| 03/23/2005 | CN1599822A Method and system for the treatment of pulp prior to ozone bleaching |
| 03/23/2005 | CN1598129A Production method for cooking of feeding stuff with vapour by upright digester |
| 03/22/2005 | CA2222661C Implementation of dissolved solids profiling |
| 03/17/2005 | WO2005024125A1 Chemimechanical desilication of nonwood plant materials |
| 03/16/2005 | EP1514636A1 Working device for inner wall surface of tower tank, and inner wall surface working method using the same |
| 03/16/2005 | CN1594728A Preparation process for high concentration black liquor in vertical kettle and products thereof |
| 03/15/2005 | CA2265649C Method and system for feeding comminuted fibrous material |
| 03/15/2005 | CA2241540C Pumping of medium consistency, high temperature pulps from stand pipes |
| 03/10/2005 | WO2005021864A1 Chip bin |
| 03/10/2005 | US20050051287 Chemimechanical desilication of nonwood plant materials |
| 03/10/2005 | CA2537144A1 Chip bin |
| 03/03/2005 | WO2005019526A2 System and method for controlling a processor including a digester utilizing time-based assessments |
| 03/03/2005 | US20050045298 Chip bin |
| 03/02/2005 | EP1509651A1 A method for the continuous cooking of wood raw material for cellulose pulp |
| 03/02/2005 | CN1587505A High efficiency grass pulp washing and bleaching machine and its pulping process |
| 02/23/2005 | EP0734469B1 Implementation of dissolved solids profiling |
| 02/23/2005 | CN1584199A Non-black liquid discharging pulping process and special boiler thereof |
| 02/17/2005 | US20050034824 System and method for controlling a processor including a digester utilizing time-based assessments |
| 02/05/2005 | CA2454721A1 Slotted screen for digester |
| 02/05/2005 | CA2436449A1 Slotted screen for digester |
| 01/18/2005 | US6843885 High pressure established in vapor phase by means of steam; temperature-controlled supply of cooking liquor in proximity to surface of liquor level is introduced to obtain protective liquor surface with temperature lower than vapor phase |