Patents
Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805)
04/2006
04/05/2006CN2769311Y Non-digesting biochemical solvent continuous soaking catalytic pyrolysis circulation pulping apparatus
04/04/2006US7021575 Waste pulping system
03/2006
03/30/2006WO2006033605A1 Process and device to manufacture cellulose pulp
03/30/2006US20060065376 Method of deinking recycled paper employing centrifigal cleaners
03/30/2006CA2559828A1 Process and device to manufacture cellulose pulp
03/29/2006CN1754024A Fibrous structure and process for making same
03/29/2006CN1754021A Fibrous structure and process for making same
03/28/2006US7018509 Washing, heat treatment; papermaking
03/28/2006US7018508 Process for producing dried singulated crosslinked cellulose pulp fibers
03/23/2006WO2006029552A1 A method for manufacturing paper pulp, comprising the following steps of physical smashing and biological degrading
03/23/2006US20060062765 Lentiviral vector-mediated gene transfer and uses thereof
03/23/2006US20060060315 Catalyzer for clean pulping and process for using the same
03/23/2006CA2578949A1 Method and apparatus for removing sheets of fibres from banana plants for the production of paper products
03/22/2006CN2765930Y Pulp making apparatus of non-boiling , spiral chute type biochemical dissolvant continuous immersion and catalyzed cracking
03/22/2006CN2765929Y Pulp making apparatus of non-boiling, scraper type biochemical dissolvant continuous immersion and catalyzed cracking
03/16/2006WO2006028499A2 Methods of processing lignocellulosic pulp with cavitation
03/16/2006DE102004039712A1 Reject flow control, from a used paper suspension sorting station, has a flow measurement point in front of a throttle linked to a control to set the delivery of a diluting fluid to prevent throttle blockages
03/15/2006CN1748057A A method and a plant for producing and treating wood fibres
03/15/2006CN1746422A Fibre detaching apparatus with high shearing
03/08/2006CN1743153A Arundo donax pulp, paper product and flakeboard
03/07/2006US7008505 Eucalyptus biomechanical pulping process
03/02/2006WO2006021618A1 Method for manufacturing pulp from classified wood material
03/01/2006EP1264043B1 Refiner force sensor
03/01/2006CN2761670Y Wood pulp crushing machine
02/2006
02/28/2006US7005034 Method in connection with the production of mechanical pulp
02/26/2006CA2496298A1 Apparatus and process for defibration of bast fiber plants
02/23/2006WO2006019942A2 Low cost electrostatic discharge-proof pumps manufactured from conductive loaded resin-based materials
02/22/2006EP1627950A1 Process for pulping of contaminated wastepaper
02/22/2006EP1627949A2 Device for separating fibrous material and method for separating light material
02/22/2006CN1737253A Method and equipment for producing paper pulp by gases mixed explosion
02/22/2006CN1737252A Yellow willow alkaline hydrogen peroxide pulp making method
02/21/2006US7000859 Grinding element and grinder stone
02/16/2006DE102004032601A1 Verfahren zur Flotation von Störstoffen aus einer wässrigen Faserstoffsuspension A process for flotation of impurities from an aqueous fiber suspension
02/08/2006CN2756681Y Double shaft hydraulic pulping machine
02/02/2006US20060021916 Method for the flotation of contaminants from an aqueous fibrous suspension
01/2006
01/26/2006WO2006007609A1 Method for mixing device for the same and use thereof
01/26/2006US20060016731 Reactor particularly suitable for cleaning fibrous suspensions dispersed in liquids
01/26/2006CA2574368A1 Process for mixing device therefor and use thereof
01/25/2006CN1724809A Hydraulic pulp kneader rotor
01/25/2006CN1724171A Reactor particularly suitable for cleaning fibrous suspensions dispersed in liquids
01/24/2006US6989074 Paper pulp refiner control system and method using active hydrostatic bearings
01/24/2006US6988682 Method and system for utilizing waste
01/19/2006US20060011314 Process for pulping waste paper containing impurities
01/18/2006EP1616618A2 High pressure homogenizing apparatus and method thereof
01/17/2006US6986425 Apparatus and method to separate elements or materials of different sizes
01/12/2006US20060005932 Effluent or sludge containing calcium compounds from plant for deinking paper is treated with acid to dissolve form salt of calcium carbonate, calcium silicate, and calcium phosphate; separating suspended insoluble solids and combusting; heat treatment, precipitation
01/11/2006EP1614798A1 Proces for removing impurities from an aqueous fibrous suspension by flotation
01/11/2006CN2751054Y Rotary drum type fluffer with materials limiting device
01/11/2006CN1720368A Waste paper fibrous material utilization system and waste paper disintegration apparatus
01/11/2006CN1718920A Bleaching method of cotton stalk chemical pulp
01/11/2006CN1718919A Method of preparing bleached chemical pulp using cotton stalk
01/11/2006CN1718916A Method of preparing paper product using cotton stalk chemical pulp
01/11/2006CN1718915A Method of manufacturing pulp using sunflower seed skin
01/11/2006CN1718914A Energy efficient tmp refining of destructured chips
01/05/2006WO2006000619A1 Apparatus for processing by, e.g., screening or scattering, particulate matter such as flakes and chips
01/05/2006US20060003119 Food container
01/04/2006EP1611280A1 Manufacturing process of a paper substrate intended to be vulcanised or parchmentised
01/04/2006CN1715556A Method for pulping and paper-making
01/04/2006CN1715555A Continuous boiling method and its device for semi chemical mechanical slurry of long bast fiber raw material
12/2005
12/29/2005US20050284970 Method and apparatus for producing mechanical fibers
12/28/2005EP1609904A1 Secondary pulper for paper pulp preparation
12/22/2005DE19618529B4 Verwendung einer rotationssymmetrischen Zelle und Vorrichtung zur Stoffgemischtrennung bei der Aufbereitung und Reinigung bedruckter Altpapiere Use of a rotationally symmetric cell and apparatus for mixture separation in the preparation and cleaning of printed wastepaper
12/21/2005EP1115942A4 Arundo donax pulp, paper products, and particle board
12/21/2005CN1711392A Method and apparatus for producing mechanical fibers
12/15/2005WO2004101889A3 Use of hemicellulase composition in mechanical pulp production
12/14/2005EP1604060A1 Method for producing corn stalk pulp and paper products from corn stalk pulp
12/14/2005EP1407073B1 Method of producing bleached thermomechanical pulp (tmp) or bleached chemithermomechanical pulp (ctmp)
12/14/2005CN1708614A Equipment and method for producing paper pulp
12/14/2005CN1231632C Arundo donax pulp, paper products and particle board
12/08/2005WO2005116145A1 Cationic titanium dioxide pigments
12/08/2005US20050269051 Merging diverse fluid flows followed by blending and degassing the merged diverse liquid flows concurrently with a degassing rotor; distributing a pulp suspension in a paper making machine; accurate measurement of consistency of the pulp suspension; gas-free, homogenous
12/08/2005DE102004023359A1 Assembly to break down waterproof paper/cardboard has rollers with surface needles to perforate the coating/lamination on both sides, before transfer to a container with fluid to break them down
12/07/2005CN1704141A Method and device for mixing material flows
12/01/2005WO2005113865A1 Separator of plant outer skin from parts other than the same
12/01/2005WO2005113165A1 Machine for the classification, sieving and separation of non-homogeneous masses of materials
12/01/2005US20050263935 Low cost electrostatic discharge-proof pumps manufactured from conductive loaded resin-based materials
12/01/2005CA2567207A1 Machine for the classification, sieving and separation of non-homogeneous masses of materials
11/2005
11/23/2005EP1597433A1 Fibrous structure and process for making same
11/23/2005EP1597431A2 Fibrous structure and process for making same
11/23/2005EP1597427A1 A method and a plant for producing and treating wood fibres
11/23/2005CN2742014Y Wood bulking device for making pulp
11/16/2005EP1595998A1 Method and device for mixing and degasing material flows
11/16/2005EP1595024A2 Various banding apparatus and methods for using such
11/16/2005EP1594597A2 Improved pulper rotor and assembly
11/16/2005CN2740649Y Straw peeling and rubbing machine
11/16/2005CN1697901A Method for producing corn stalk pulp and paper products from corn stalk pulp
11/16/2005CN1696396A Microwave method for preprocessing pulping raw material
11/16/2005CN1227072C Method for recovery of compression wood and/or normal wood from oversize chips
11/10/2005WO2005106111A1 A method and a device for removing gas from wood chips
11/10/2005WO2005106110A1 Method for mechanical pulp production
11/10/2005DE102004020339A1 Verfahren zur Flotation von Störstoffen aus einer wässrigen Papierfasersuspension A process for flotation of impurities from an aqueous paper fiber suspension
11/10/2005CA2565923A1 Method for mechanical pulp production
11/10/2005CA2562901A1 A method and a device for removing gas from wood chips
11/09/2005EP1592838A1 An arrangement for and a method of treating pulp, and a method of modernizing a pulp tower
11/08/2005US6962618 Device for separating air from flotation foam
11/03/2005US20050241785 Method of producing mechanical pulp and the mechanical pulp thus produced
11/03/2005DE102004010857A1 Vorrichtung zum Pumpen und Entstippen einer störstoffhaltigen Papierstoffsuspension Apparatus for pumping and deflaking a paper stock containing foreign material suspension
11/02/2005EP1591584A1 Process for treating secondary cotton fibers and use of the regenerated fibers in the manufacture of tissue paper
11/02/2005EP1591583A1 Process for removing impurities by flotation from an aqueous fibrous suspension
10/2005
10/27/2005WO2005099883A1 A method, an apparatus and a rotor for homogenizing a medium
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