| Patents for D21C 3 - Pulping cellulose-containing materials (5,020) |
|---|
| 01/14/2009 | CN100451029C Technique for extracting yam saponin, amylocellulose, and yellow pigment by separating yam |
| 01/08/2009 | WO2009003606A1 High-strength fibrous material consisting of natural fibres, method for the production thereof, and use of same for producing composite materials |
| 01/08/2009 | WO2009003286A1 N0n-scaling chip conditioning system for energy reduction in mechanical pulping |
| 01/08/2009 | US20090008049 Non-scaling chip conditioning system for energy reduction in mechanical pulping |
| 01/08/2009 | CA2694070A1 High-strength fibrous material consisting of natural fibres, method for the production thereof and use of same for producing composite materials |
| 01/06/2009 | CA2154628C Xylanase, microorganisms producing the same, dna molecules, process for preparing said xylanase and uses thereof |
| 12/31/2008 | CN101333779A Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
| 12/31/2008 | CN101333776A APMP novel pulping method |
| 12/31/2008 | CN101333775A Method of preparing paper pulp form paper making raw material of stalk |
| 12/31/2008 | CN101333774A Process for making full-degradable paper mulching film for agricultural use from agronomic crop stalks |
| 12/25/2008 | US20080314534 Method and system for direct contact of hot liquor with wood chips in transfer circulation |
| 12/24/2008 | WO2008155639A2 A process for separating biomass components |
| 12/24/2008 | WO2008155634A1 A single step process for separating biomass components |
| 12/24/2008 | CN101328693A Clean production method of chemical pulping paper making and aluminum oxide cogeneration |
| 12/24/2008 | CN101328692A Paper pulp fabrication process and system |
| 12/24/2008 | CN100445463C Method of preparing pulp by anaerobic fermenting Spartina alterniflora and cooking soda, anthraquinone and fermented Spartina alterniflora |
| 12/24/2008 | CA2691524A1 A process for separating biomass components |
| 12/24/2008 | CA2681610A1 A single step process for separating biomass components |
| 12/18/2008 | WO2008154073A1 High yield and enhanced performance fiber |
| 12/18/2008 | WO2008153565A1 A fiber blend having high yield and enhanced pulp performance and method for making same |
| 12/18/2008 | CA2801905A1 High yield and enhanced performance fiber |
| 12/17/2008 | EP2003241A2 Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method |
| 12/17/2008 | CN101326326A New catalystic reactor method for producing commercial grade pulp, native lignin and single cell protein |
| 12/16/2008 | US7465791 Continuous counter-current organosolv processing of lignocellulosic feedstocks |
| 12/16/2008 | CA2520226C High ph treatment of pulp in a bleach sequence to produce pulp having low d.p. and low copper number for use in lyocell manufacture |
| 12/11/2008 | US20080302492 Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method |
| 12/10/2008 | CN101319471A Environment friendly energy-saving circulation type non-pollution pulping process and its system apparatus |
| 12/10/2008 | CN101319470A Improved APMP pulping method |
| 12/10/2008 | CN100441773C Method of ultrasound in use for producing purified pulp |
| 12/10/2008 | CN100441772C Production technology of thermomechanical bamboo pulp |
| 12/04/2008 | WO2008098032A3 Use of lignocellulosics solvated in ionic liquids for production of biofuels |
| 12/04/2008 | US20080295981 Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method |
| 12/04/2008 | DE102007025710A1 Method for production of fibrous material web, particularly paper or cardboard web, involves measuring portion different solids provided in material suspension by two sensors |
| 12/03/2008 | EP1996752A2 Physical chemical process for production of vegetable fibers |
| 12/03/2008 | CN101314924A Pulping paper-making process with zero discharge of sewage water |
| 12/02/2008 | US7459058 Feed of a mixture of chips and fluid from a low-pressure system to a high-pressure system |
| 11/27/2008 | WO2008141463A1 Method to remove hemicellutose from cellutosic fibres using a solution of ammonia and hydrogen peroxide |
| 11/27/2008 | US20080289783 Method of degumming cellulosic fibres |
| 11/27/2008 | CA2687581A1 Method to remove hemicellulose from cellulosic fibres using a solution of ammonia and hydrogen peroxide |
| 11/26/2008 | EP1995376A1 Method of manufacturing pulp |
| 11/25/2008 | US7455749 Vaporization; slurrying; for producing chemical cellulose pulp from cellulose chips |
| 11/23/2008 | CA2630986A1 Two vessel reactor system and method for hydrolysis and digestion of wood chips |
| 11/23/2008 | CA2630985A1 Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method |
| 11/20/2008 | WO2008141121A1 Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators |
| 11/20/2008 | WO2008138429A1 Lignocellulose fibre consisting of wood |
| 11/20/2008 | WO2008138428A1 Method for shredding chemically treated raw material containing lignocellulose |
| 11/20/2008 | WO2008138424A1 Waste lye of a sulphite pulp |
| 11/20/2008 | CA2685076A1 Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators |
| 11/18/2008 | US7452445 Non-woody fiber mulching mat and production method thereof |
| 11/18/2008 | US7452444 total volume of liquor withdrawn from the digester through the wash screens within the wash zone of the digester is uniformly and automatically distributed between all of the wash screens |
| 11/18/2008 | CA2520236C Low ph treatment of pulp in a bleach sequence to produce pulp having low d.p. and low copper number for use in lyocell manufacture |
| 11/13/2008 | WO2007070527A3 Process for treating a cellulose-lignin pulp |
| 11/13/2008 | US20080277081 Method and Arrangement For Impregnation of Chips |
| 11/13/2008 | DE102007022750A1 Verfahren zum Zerfasern von chemisch behandeltem lignocellulosischem Rohstoff A method of shredding chemically treated lignocellulosic raw material |
| 11/12/2008 | CN101302728A Sisal hemp pulp and preparation thereof |
| 11/12/2008 | CN101302724A Medicament agent for environment friendly pulping and environment friendly pulping process |
| 11/12/2008 | CN101302319A Easily degradable shopping bag or product packing bag and preparation thereof |
| 11/06/2008 | US20080271861 Method for Oxygen Delignification of Cellulose Pulp by Mixing of Chemicals |
| 11/05/2008 | EP1245723B1 Method for recovering chemicals in a process of producing pulp by kraft process |
| 11/05/2008 | CN100430552C Cooking catalyst for papermaking and pulping |
| 11/04/2008 | US7445691 Impregnation of chips with an acid liquid prior to a sulphate pulping process |
| 10/30/2008 | WO2008129048A1 Method for the production of bleached wood particles and wood materials ranging from light-toned to white |
| 10/30/2008 | US20080264588 Method of Making Medium Density Fiberboard |
| 10/30/2008 | US20080264584 New Composition and Process for the Treatment of Fibre Material |
| 10/28/2008 | CA2480891C Pulp flaker |
| 10/22/2008 | CN101289821A Paper pulp and paper sheets made form brown algae and making method thereof |
| 10/22/2008 | CN101289820A Process and device for abstracting lignose with zero discharge of paper making black liquor |
| 10/22/2008 | CN101289818A Process for preparing dissolved pulp by oxidative degradation of linters |
| 10/22/2008 | CN101289816A Method of producing plant fibre slurry |
| 10/22/2008 | CN101289761A Process for preparing dissolved pulp by oxidative decomposition of paper pulp |
| 10/22/2008 | CN100427676C Method of preparing paper pulp utilizing microwave technique |
| 10/16/2008 | WO2008019228A3 Moving bed biomass fractionation system and method |
| 10/16/2008 | DE102007017061A1 Pulp, for tissue paper production, is of wood or annual plant fibers with structured lignin contents and shear lengths |
| 10/08/2008 | CN101283143A Method to decompose the natural structure of biomass |
| 10/08/2008 | CN101280531A Process for marc to make marc paper |
| 10/08/2008 | CN101280277A Trametes gallica, culture method and application thereof |
| 10/08/2008 | CN100424260C Mechanical cold method for making paper pulp |
| 10/08/2008 | CN100424259C Room temperature ionic liquid containing unsaturated double bond and its prepn and application |
| 10/02/2008 | US20080236771 analyzing the reaction product of a pulp digester, an oxygen delignification processor, a bleaching processor and a basification processor for residue concentration, using computer programs |
| 10/01/2008 | CN101275378A Method for producing medium-density fiberboard with tree root |
| 10/01/2008 | CN101275374A Pulp cleaning agent, pulp manufacturing method and pulp cleaning method |
| 10/01/2008 | CN101275371A Non-chemical steaming semi-mechanical pulping paper making process and apparatus therefor |
| 10/01/2008 | CN101275370A Application of decoction dregs as pulping raw material of paper making |
| 09/29/2008 | CA2627879A1 Method for processing cellulose in ionic liquids and fibers therefrom |
| 09/24/2008 | CN100420789C Full-closed zero discharge oxidizing pulping process and its preparation method |
| 09/24/2008 | CN100420788C Full-closed zero discharge bio-oxidizing pulping process and its preparation method |
| 09/23/2008 | CA2482556C Process for producing very low cod unbleached pulp |
| 09/17/2008 | EP1969176A1 Method for controlling a process for the production of short-fibred cellulose pulp |
| 09/17/2008 | EP1969175A1 A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein |
| 09/17/2008 | CN101265675A Environment friendly-type amortizing packaging material and method for making same |
| 09/17/2008 | CN101265673A Biological paper making and pulping method |
| 09/16/2008 | CA2374780C Cooking method for pulp |
| 09/16/2008 | CA2225740C Continuous digester |
| 09/12/2008 | WO2008106895A1 Process for refining and producing cellulose, lignin and xylose from biomass material |
| 09/12/2008 | WO2008106811A1 Method for the breakdown of lignin |
| 09/12/2008 | CA2679854A1 Method for the breakdown of lignin |
| 09/10/2008 | CN101260635A PPDM extraction method for agriculture waste straw fibre |
| 09/10/2008 | CN101260629A Physical method ecological paper pulp manufacturing technique |
| 09/09/2008 | US7422657 Feeding from a low pressure to a high-pressure system through a sluice feeder having a rotor with through-pockets that are alternately connected with low or the high pressure system; fluid expelled from the pockets in first postion is used to expel chips from the pockets in the second position |
| 09/04/2008 | WO2008104074A1 Higher than 30% concentration lime slurries, preparation and uses thereof |