| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 08/11/2010 | CN101260630B Straw and/ or ryegrass raw material semi-chemical pulp preparation method |
| 08/10/2010 | US7771565 manufacturing corrugated medium for cardboard box or carton; cooking in first liquor in the absence of an alkali addition; mechanically fiberizing to form a pulp; separating hydrolyzate from the pulp; treating the pulp with a second liquor including an alkali; blending with recycled fibers; refining pulp |
| 08/05/2010 | WO2010067338A3 Process for manufacturing insulating material |
| 08/04/2010 | EP2212467A1 Methods and apparatus for hydrolyzing cellulosic material |
| 08/04/2010 | CN201538927U Locating structure of defibrator fixing disk |
| 08/04/2010 | CN101792980A Mechanical pulping method for biological bacteria liquid |
| 08/04/2010 | CN101792979A Aramid fiber paper pretreatment method for aerospace |
| 08/04/2010 | CN101135117B Paper pulp raw material cleaning treating method |
| 08/03/2010 | CA2539095C Chemical activation and refining of southern pine kraft fibers |
| 08/03/2010 | CA2446975C A method for isolating phenolic substances or juvabiones from wood comprising knotwood |
| 07/29/2010 | US20100186911 Process for Increasing the Refiner Production Rate and/or Decreasing the Specific Energy of Pulping Wood |
| 07/29/2010 | US20100186910 Four stage alkaline peroxide mechanical pulpings |
| 07/29/2010 | DE102009006308A1 Method for treating paper fiber suspension obtained from waste paper, involves recognizing part of filtrate system by upstream thickening, and recognizing another part of filtrate system by cleaner |
| 07/29/2010 | DE102009005909A1 Fiber suspension stream treating method for packaging paper, involves dividing fiber suspension stream into two partial streams before flotation that is only present in partial streams with dispersion |
| 07/29/2010 | DE102009005908A1 Fiber material suspension stream processing arrangement, has screen formed as basket screen and slotted screen, where short fibers in fiber material suspension stream are accepted in two of partial streams after screening process |
| 07/29/2010 | DE102009000365A1 Device for decontaminating fibrous material web defective goods underneath machine base of paper and/or cardboard manufacturing machine in machinery hall, has pulper wall exhibiting transportation device for support of sliding of goods |
| 07/28/2010 | CN101790610A System and method for optimizing lignocellulosic granular matter refining |
| 07/28/2010 | CN101787656A Clean high-valued utilization method for straw resources |
| 07/28/2010 | CN101787655A Paper making and pulp preparation method by using prolease |
| 07/28/2010 | CN101787654A Preparation method of heavy metal ion enrichment cellulosic material |
| 07/22/2010 | WO2010081726A2 Low-bark wood fibers and process for the production thereof |
| 07/22/2010 | WO2010081478A1 Treatment, such as cutting, soaking and/or washing, of organic material |
| 07/22/2010 | WO2010081476A1 Method and apparatus for in-feeding of matter to a process reactor |
| 07/22/2010 | WO2010003685A4 Method for the disintegration of lignocellulose to fibers |
| 07/22/2010 | CA2749184A1 Method and apparatus for in-feeding of matter to a process reactor |
| 07/22/2010 | CA2749011A1 Treatment, such as cutting, soaking and/or washing, of organic material |
| 07/21/2010 | CN201530946U Slurrying device for regenerating waste paper |
| 07/21/2010 | CN1942625B Use of a particulate material derived from mammalian hair in the preparation of paper or paperboard products |
| 07/21/2010 | CN101302728B Sisal hemp pulp and preparation thereof |
| 07/21/2010 | CN101148833B Paper-making-stage reclaiming wood pulp plate denaturalization producing technique |
| 07/20/2010 | US7758721 Pulping process with high defiberization chip pretreatment |
| 07/20/2010 | US7758720 High defiberization pretreatment process for mechanical refining |
| 07/20/2010 | US7758719 Wet pulping system and method for producing cellulosic insulation with low ash content |
| 07/20/2010 | CA2449983C Printing paper |
| 07/15/2010 | WO2010079263A2 A refiner and a method for refining pulp |
| 07/15/2010 | WO2010078640A1 Method and system for preparing densified lignocellulosic pulp for use in thermoplastic composite manufacturing processes |
| 07/15/2010 | US20100176339 Jewelry having titanium boride compounds and methods of making the same |
| 07/14/2010 | EP2206827A1 Used paper recycling apparatus and its constituent devices |
| 07/08/2010 | WO2010077172A1 Process for pretreatment of wood raw material for saccharification, system and product |
| 07/07/2010 | EP2204489A1 Used paper recycling apparatus and its constituent devices |
| 07/07/2010 | EP2204488A1 Used paper recycling apparatus and its constituent devices |
| 07/07/2010 | CN201520921U Roller-type bagasse depither |
| 07/07/2010 | CN101768888A Method of beating used paper, method of processing used paper, device for beating used paper and apparatus for processing used paper |
| 07/07/2010 | CN101768885A Manufacturing method of inorganic fiber paper pulp |
| 07/01/2010 | WO2010071945A1 Improved fibre furnish |
| 07/01/2010 | US20100163192 Compositions and composites of cellulosic and lignocellulosic materials and resins, and methods of making the same |
| 07/01/2010 | DE202010003358U1 Vorrichtung zur Auflösung von Altpapier Apparatus for dissolving waste paper |
| 07/01/2010 | CA2748088A1 Improved fibre furnish |
| 06/30/2010 | EP2202353A2 Method of beating used paper, method of processing used paper, device for beating used paper and apparatus for processing used paper |
| 06/30/2010 | EP2202003A1 Method for removing solid material from a fibre suspension by flotation and flotation device for executing said method |
| 06/30/2010 | EP2201170A1 Method for treating ligno-cellulosic materials |
| 06/30/2010 | CN201517184U Combined stalk fiber preparation machine |
| 06/30/2010 | CN101760973A Fiber doubling machine |
| 06/30/2010 | CN101760972A Purpose of silphium perfoliatum and paper pulp using sterns of silphium perfoliatum as raw materials |
| 06/24/2010 | DE102008063785A1 Verfahren zur Aufbereitung von Altpapier enthaltenden Rohstoffen zu einer zur Erzeugung graphischer Papiere geeigneten Faserstoffsuspension A method for treating waste paper containing raw materials to a composition suitable for generating graphic paper pulp suspension |
| 06/23/2010 | CN201512713U Automatic material changing crusher with double feed openings |
| 06/23/2010 | CN201512712U Brief drum pulp kneader |
| 06/23/2010 | CN101748644A Production process of colored tissue paper |
| 06/23/2010 | CN101748642A Special anti-counterfeiting rice paper for postage stamp, postage stamp and production method thereof |
| 06/23/2010 | CN101748629A Fiber decomposition device |
| 06/23/2010 | CN101748628A Bamboo fiber extraction process |
| 06/23/2010 | CN101269511B Method for producing pressed-fibre board by using apple branch and obsolete fruit tree |
| 06/23/2010 | CN101148834B Paper-making-stage broad-leaved wood pulp plate denaturalization producing technique |
| 06/23/2010 | CN101148832B Paper-making-stage high viscosity wood pulp plate denaturalization producing technique |
| 06/17/2010 | WO2010067338A2 Process for manufacturing insulating material |
| 06/17/2010 | US20100147479 Methods for producing recycled pulp, methods for modifying pulp fiber surfaces and dirts, as well as pulp processing equipments |
| 06/17/2010 | US20100147474 Production of non-woven elements made of natural fibres |
| 06/17/2010 | DE102008062198A1 Flotation device for removal of impurities from aqueous fiber suspension in flotation container using cavities, has discharge pipe provided for flotation froth, and flotation container coupled with vibrator having preset frequency |
| 06/17/2010 | DE102008062197A1 Flotation method for removing impurities from diluted-fibrous suspension in flotation container, involves subjecting stream of fibrous suspension with compressed air jet during or after supply of gas at preset pressure |
| 06/17/2010 | CA2744887A1 Process for manufacturing insulating material |
| 06/16/2010 | CN101736657A Method for preparing citrus peel-residue paper pulp mould |
| 06/16/2010 | CN101736646A Preparation method of reed or straw cellulose pulp |
| 06/16/2010 | CN101736635A Magnetic separation and deinking method for waste paper |
| 06/16/2010 | CN101736634A Process for deinking office waste paper |
| 06/16/2010 | CN101736628A Explosion pulping method for bamboo or cotton stalks or wood or various twigs |
| 06/16/2010 | CN101736627A Energy-saving pulping compound and pulping process thereof |
| 06/16/2010 | CN101736625A Device and method to fiberate straw by solar energy |
| 06/15/2010 | US7736463 Method for manufacturing bleached mechanical and chemithermomechanical pulp |
| 06/15/2010 | CA2464090C A method for preparing a homogenous cellulosic product from cellulosic waste materials |
| 06/09/2010 | EP1181227B1 Paper sorting system |
| 06/09/2010 | CN101725065A Ruminant-type high-concentration pulper |
| 06/09/2010 | CN101725064A Method for improving removal effect of stickies in waste paper pulp |
| 06/09/2010 | CN101725063A Combined straw fiber preparing machine |
| 06/09/2010 | CN101725062A Chemical modification method for surfaces of aramid fibers |
| 06/09/2010 | CN101148836B Paper-making-stage bamboo wood pulp plate denaturalization producing technique |
| 06/09/2010 | CN101092435B Technical method for separating organic constituent of biomass |
| 06/03/2010 | WO2010063029A1 Comminution and densification of biomass particles |
| 06/03/2010 | US20100132898 Process for the production of bleached wood particles and pale to white wood-base materials |
| 06/03/2010 | CA2737784A1 Comminution and densification of biomass particles |
| 06/02/2010 | CN201495447U Bulking device of straw bulking pulping machine |
| 06/02/2010 | CN101718052A Environment-friendly thistle board protective paper and production method thereof |
| 06/02/2010 | CN101298159B Processing technique of medium density fiber plate suitable for routing board |
| 06/02/2010 | CN101105014B Pulp-breaking machine extraction bedplate for fiber separation for paper pulp |
| 06/01/2010 | US7727355 producing a pulp having high brightness and low residual ink by actively introducing cavitation bubbles into a pulp suspension, to strip/fragment ink from pulp fibers and inorganic particles under an impact force induced by collapse of the bubbles during producing recycled pulp from printed newspapers |
| 06/01/2010 | US7726592 Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
| 05/27/2010 | WO2010058285A2 Methods and devices for continuous transfer of particulate and/or fibrous material between two zones with different temperatures and pressures |
| 05/27/2010 | DE102008058636A1 Behandlung einer Fasersuspension, insbesondere zum Auflösen von Stippen sowie Vorrichtung zur Durchführung des Verfahrens Treatment of a fiber suspension, in particular for fisheyes and dissolving apparatus for carrying out the method |
| 05/27/2010 | CA2744422A1 Methods and devices for continuous transfer of particulate and/or fibrous material between two zones with different temperatures and pressures |
| 05/26/2010 | EP2188440A1 Apparatus and method for manufacturing fibre mass suspension |
| 05/26/2010 | CN201485749U Wet process feed preparation equipment for grass fiber raw materials and roller type grass washing machine thereof |