| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 07/10/2013 | CN203049360U Wheat straw tearing machine |
| 07/10/2013 | CN102304291B Bamboo and plastic composite material and preparation method thereof |
| 07/10/2013 | CN102242521B Method for preparing pulp by gramineous straw and use of obtained pulp |
| 07/09/2013 | CA2534113C Compression screw with combination single and double flights |
| 07/03/2013 | EP2609249A1 Process for the treatment of a paper pulp |
| 07/03/2013 | CN203034298U Papermaking material tank system |
| 07/03/2013 | CN203034297U Papermaking material tank system |
| 07/03/2013 | CN103189565A Method and arrangement |
| 06/27/2013 | WO2013095203A1 Procedure for controlling pulp quality from refiners |
| 06/27/2013 | CA2858281A1 Processing biomass for use in fuel cells |
| 06/26/2013 | CN203021852U Vertical type low-concentration hydrapulper fly-cutter rotor |
| 06/26/2013 | CN203021851U Fibre separator |
| 06/26/2013 | CN203021850U Cutterhead of fibre separator |
| 06/26/2013 | CN203021849U Single-effect fiber separator |
| 06/26/2013 | CN103180505A Improved process for recovering sugars from pretreatment stream of lignocellulosic biomass |
| 06/26/2013 | CN103170495A Method and system for recovering waste paper solid wastes |
| 06/26/2013 | CN102154871B Method for pulping without producing strongly alkaline high-pollution black liquor |
| 06/20/2013 | WO2013089615A1 Mixing unit for use in a mixing apparatus and a mixing apparatus |
| 06/20/2013 | DE102011088491A1 Method for manufacturing fibrous suspension by system for manufacturing packing papers for packaging food products, involves comminuting and whirling waste paper in closed space by adding humid and hot air for removing aromatic hydrocarbons |
| 06/19/2013 | CN103168129A Method for processing biomass |
| 06/19/2013 | CN102154865B Process for increasing the refiner production rate and/or decreasing the specific energy of pulping wood |
| 06/18/2013 | US8465621 Refiner steam separation system for reduction of dryer emissions |
| 06/18/2013 | CA2604639C Disc housing |
| 06/13/2013 | US20130147080 Articles Containing Nanofibers Produced from Low Melt Flow Rate Polymers |
| 06/13/2013 | DE102011120630A1 Verfahren zur Altpapieraufbereitung Process for waste paper processing |
| 06/12/2013 | CN202989676U Device for producing cardboard paper by utilizing leftover materials of medium density fiberboard |
| 06/12/2013 | CN202989646U Automatic waste paper recycling device for honeycomb cardboard production line |
| 06/12/2013 | CN103154359A Method for producing a high-freeness pulp |
| 06/12/2013 | CN103147342A Method for recycling wax-containing waste paper |
| 06/12/2013 | CN103147335A Crude fiber regeneration equipment for synchronous organization treatment and vacuum adsorption |
| 06/12/2013 | CN103147329A Energy-saving and consumption-reducing technology for APMP (Aalkaline Peroxide Mechanical Pulp) pulping |
| 06/12/2013 | CN102304865B Method for extracting cellulose from tobacco |
| 06/12/2013 | CN101545230B Method and system of middle concentration refining of plup |
| 06/06/2013 | WO2013017687A3 Method and device for producing organic fibrous materials or granular materials |
| 06/05/2013 | CN202969131U Casing structure of pulper |
| 06/05/2013 | CN103132354A Fiber preprocessing device |
| 06/05/2013 | CN103131578A Kudzuvine root comprehensive processing and utilization scheme |
| 06/05/2013 | CN102230283B Oxidative burst wall straw collecting device |
| 06/04/2013 | US8454795 System and method for producing bonded fiber/cellulose products |
| 06/04/2013 | CA2578949C Method and apparatus for removing sheets of fibres from banana plants for the production of paper products |
| 05/29/2013 | EP2596166A1 Marine plants processing method for the production of pulp for the production of paper |
| 05/29/2013 | CN101260635B Physical extraction method for agriculture waste straw fibre |
| 05/28/2013 | US8449722 Used paper recycling apparatus and its constitutent devices |
| 05/28/2013 | US8449720 Method of making paper |
| 05/28/2013 | CA2739694C Method for manufacturing papermaking pulp |
| 05/28/2013 | CA2638157C Method and apparatus for conveying a cellulosic feedstock |
| 05/23/2013 | WO2013074764A1 Microstickies removal apparatus and method for a screen basket |
| 05/23/2013 | WO2013074202A1 Silicate free refiner bleaching |
| 05/23/2013 | WO2013072559A1 A method for producing nanofibril cellulose |
| 05/23/2013 | CA2856151A1 A method for producing nanofibril cellulose |
| 05/22/2013 | EP2593248A1 Improved method of processing chemical pulp |
| 05/22/2013 | CN103119217A Pulper comprising a screening sheet |
| 05/22/2013 | CN103114481A Novel efficient pulping process |
| 05/21/2013 | CA2534115C Method for producing a fibrous material |
| 05/16/2013 | DE102011086428A1 Sieb Sieve |
| 05/15/2013 | EP2591164A1 Method for producing insulating material |
| 05/15/2013 | CN103103865A Preparation method of fresh flower fiber tobacco paper |
| 05/15/2013 | CN103103864A Method for preparing chemical-mechanical pulp for fluting medium by using fresh empty fruit bunches |
| 05/15/2013 | CN103103842A Pulping method for waste Renminbi |
| 05/15/2013 | CN103103841A Manufacturing method for high-quality cotton linter |
| 05/15/2013 | CN102261005B Steam explosion device with double cylinders |
| 05/15/2013 | CN102220718B Method for preparing nano celluloses through high-pressure crushing and low-temperature cooling |
| 05/08/2013 | CN103097605A Process for recovering sugars from a pretreatment stream of lignocellulosic biomass |
| 05/08/2013 | CN103088695A Device and method for producing cardboard paper by utilizing paper mill sludge and waste paper |
| 05/08/2013 | CN103088692A Method for selectively separating lignin and cellulose from lignocellulose biomasses |
| 05/08/2013 | CN103088685A Enzymolysis pretreatment method for hemp type crops serving as biological energy raw materials |
| 05/08/2013 | CN103088684A Defibrator system and defibrination method thereof |
| 05/08/2013 | CN103088683A Clean pulping process with waste needle-leaved wood material |
| 05/08/2013 | CN103081643A Sugarcane harvesting factory processing mode |
| 05/02/2013 | WO2013061266A1 Process for producing a dispersion comprising nanoparticles and a dispersion produced according to the process |
| 05/01/2013 | CN202913291U Waste paper stock wiping arrangement |
| 05/01/2013 | CN202913290U Feeding and dust-removing device for straw cutter |
| 05/01/2013 | CN202913289U Waste paper bale breaking device |
| 05/01/2013 | CN202909683U Cyclone feed cylinder |
| 05/01/2013 | CN103074808A Production method for fiber color art paper |
| 05/01/2013 | CN101768885B Manufacturing method of inorganic fiber paper pulp |
| 04/30/2013 | US8430249 De-inking screen |
| 04/25/2013 | WO2013058975A1 Detrasher and detrashing system |
| 04/25/2013 | WO2013057402A1 Facility and method for preparing wood fibres for a culture substrate |
| 04/25/2013 | US20130102022 Plants with altered cell wall biosynthesis and methods of use |
| 04/25/2013 | US20130099035 Pulper |
| 04/25/2013 | US20130098571 Chemical activation and refining of southern pine kraft fibers |
| 04/24/2013 | CN202898872U Strander |
| 04/24/2013 | CN103069071A Methods to degrade sludge from pulp and paper manufacturing |
| 04/24/2013 | CN103061199A Device and method for utilizing medium density fiberboard leftover material to produce boxboard |
| 04/24/2013 | CN103061183A Pulping process of waste paper deinking pulp for furnishing high-grade printing paper |
| 04/24/2013 | CN103061176A Manufacturing technology for corn straw cotton |
| 04/24/2013 | CN103061175A Reed pulping and preparing device and usage method thereof |
| 04/24/2013 | CN103061174A Strong acid pretreatment assisted cellulose nano-filament preparation method |
| 04/24/2013 | CN103061173A Maize straw raw material |
| 04/24/2013 | CN102197174B Method for manufacturing papermaking pulp |
| 04/18/2013 | WO2013053572A1 Device for defibrating wastepaper and pulps in a pulper (defibrator) |
| 04/17/2013 | EP2580388A2 Methods to degrade sludge from pulp and paper manufacturing |
| 04/17/2013 | CN202881748U Normal-pressure low-temperature disintegration pulping reaction device |
| 04/17/2013 | CN103046431A Cigarette paper |
| 04/17/2013 | CN103046414A Wood pulp crushing roller |
| 04/17/2013 | CN103046413A Transmission end machine frame of pulping machine |
| 04/17/2013 | CN103046412A Pulping machine barrel |
| 04/17/2013 | CN103046150A Manufacturing method for bamboo fiber |
| 04/17/2013 | CN102242510B Wet strength waste paper processing method |