Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materials; Regeneration of pulping liquors; Apparatus therefor › D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters
Patents for D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters (10,265)
07/2010
07/20/2010CA2509343C Apparatus for mixing
07/20/2010CA2333247C A method of improving yield of chlorine dioxide generation processes
07/15/2010WO2010080958A1 Debonders for use in papermaking
07/15/2010WO2009102913A3 Tampon including crosslinked cellulose fibers and improved synthesis processes for producing same
07/15/2010US20100175841 Method for production of pulp
07/15/2010US20100175839 Process for adjusting the ph of a cellulosic pulp, production of pulp or paper from cellulosic pulp and use of (bi)carbonate removal for reducing the consumption of acid
07/14/2010EP2205789A2 Process for bleaching pulp
07/14/2010CN201525983U Paper pulp wiping arrangement
07/14/2010CN201525982U Novel double-helix squeezer
07/14/2010CN201525981U Double helix press
07/14/2010CN101775749A Deinking, bleaching and treating process of waste paper
07/14/2010CA2690276A1 Process for adjusting the ph of a cellulosic pulp, production of pulp or paper from cellulosic pulp and use of (bi)carbonate removal for reducing the consumption of acid
07/13/2010US7754048 Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
07/13/2010CA2441055C Pulp treatment and process
07/08/2010WO2010077172A1 Process for pretreatment of wood raw material for saccharification, system and product
07/08/2010US20100173386 Prokaryotic expansin protein activating cellulose expansion and cellulose - degrading composition comprising the same
07/07/2010CN101768888A Method of beating used paper, method of processing used paper, device for beating used paper and apparatus for processing used paper
07/07/2010CN101768886A Hatchel falling bio-pulping technology
07/06/2010US7749356 Method for using water insoluble chemical additives with pulp and products made by said method
07/06/2010CA2154945C Actinomadura xylanase sequences and methods of use
07/01/2010US20100163192 Compositions and composites of cellulosic and lignocellulosic materials and resins, and methods of making the same
07/01/2010DE102009050570A1 Herstellungsverfahren für gebleichte organische Fasermaterialien, Verwendung eines Bleichmittels für gebleichte organische Fasermaterialien und gebleichte Fasermaterialien A method for producing bleached organic fiber materials, use of a bleaching agent for organic fiber materials bleached and bleached fiber materials
06/2010
06/30/2010EP2202206A1 Control of development of biofilms in industrial process water.
06/30/2010EP2202052A1 Method and device for dehydrating and dispersing a fibrous material
06/30/2010EP2201170A1 Method for treating ligno-cellulosic materials
06/30/2010CN101760978A Pulp-bleaching technique
06/30/2010CN101760977A High-consistency paper pulp bleaching tower bottom discharger
06/24/2010WO2010071555A1 Method and arrangement for fixing an endless wire
06/24/2010US20100159515 Oxidative pretreatment of biomass to enhance enzymatic saccharification
06/24/2010US20100155003 Cylindrical bearing for pressure diffuser and associated method
06/24/2010CA2747503A1 Method and arrangement for fixing an endless wire
06/23/2010CN101748645A Toilet tissue and manufacturing method thereof
06/23/2010CN101748642A Special anti-counterfeiting rice paper for postage stamp, postage stamp and production method thereof
06/23/2010CN101748632A Pulping process of paper pulp
06/23/2010CN101748631A Efficient and clean puling and bleaching method dissolving alpha-pulp by Chinese alpine rush
06/23/2010CN101748630A Acid-free pre-hydrolysis enzymolysis-free method for preparing bamboo pulp of Dendrocalamus giganteus Munro series
06/23/2010CN101746863A Control of development of biofilms in industrial process water
06/23/2010CN101148834B Paper-making-stage broad-leaved wood pulp plate denaturalization producing technique
06/23/2010CN101148832B Paper-making-stage high viscosity wood pulp plate denaturalization producing technique
06/22/2010US7741089 Laccases, nucleic acids encoding them and methods for making and using them
06/17/2010US20100151527 Fine fibrous cellulosic material and process for producing the same
06/16/2010EP2196579A1 Method for producing microfibrillated cellulose
06/16/2010EP2195487A1 Method for controlling deposit formation
06/16/2010CN201506034U Pressing mechanism of belt-type presser
06/16/2010CN101736637A Production method for preparing bamboo dissolving pulp by utilizing natural-color unbleached bamboo pulp in a modifying way
06/16/2010CN101736636A Process for improving hydrogen peroxide bleaching efficiency of wheat straw pulp by using dicyandiamide
06/16/2010CN101736626A Paper-making pulping method
06/16/2010CN101736574A Composite tea saponin, preparation method thereof and use thereof
06/15/2010US7736879 comprising a xylanolytic bacterial strain, providencia and a ligninolytic bacteria consisting of serratia, and pseudomonas; biologically pure cultures; environmentally friendly, safe and efficient
06/15/2010US7736464 Method of making absorbent sheet from recycle furnish
06/15/2010US7736463 Method for manufacturing bleached mechanical and chemithermomechanical pulp
06/10/2010WO2010063475A2 Use of a phyllosilicate-based composition for producing paper, phyllosilicate composition and method for producing the same
06/09/2010CN201502005U Adjusting tower for chemi-mechanical pulp production process
06/09/2010CN101725071A Chlorine dioxide multi-step bleaching method of linseed pulp
06/09/2010CN101725070A Squeezing device of vacuum pulp washing machine
06/09/2010CN101148836B Paper-making-stage bamboo wood pulp plate denaturalization producing technique
06/03/2010US20100132899 Method And Apparatus For Filling And Cleaning A Pulp Tower
06/03/2010US20100132898 Process for the production of bleached wood particles and pale to white wood-base materials
06/02/2010EP1694907B1 Hydrophilic fibers containing substantive polysiloxanes and tissue products made therefrom
06/02/2010CN101100824B Low-pressure slaking reaction warehouse
06/02/2010CN101086145B Floatation and ink removing machine
06/01/2010US7727133 Sealing device
05/2010
05/27/2010WO2010059762A1 Method for controlling enzymatic decomposition of peroxide and products thereof
05/27/2010CA2743510A1 Method for controlling enzymatic decomposition of peroxide and products thereof
05/26/2010EP1737951B1 Method and dna constructs for increasing the production level of carbohydrate degrading enzymes in filamentous fungi
05/26/2010CN1788119B Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking
05/26/2010CN101100822B Method for deinking and decoloring office waste paper by using ion liquid
05/25/2010CA2371815C Cellulose ethers and method of preparing the same
05/19/2010CN201473827U Efficient energy-saving emission-reducing impeller type wash drum
05/19/2010CN101210394B Technique for producing pure biological paper pulp
05/19/2010CN101158125B Paper-making grade softwood pulp plate modifying production technique
05/19/2010CN101148837B Paper-making-stage primary color wood pulp plate denaturalization producing technique
05/19/2010CN101148835B Paper-making-stage wood pulp plate denaturalization producing technique
05/19/2010CN101117779B Method of mechanical pulp making by using cotton pole
05/13/2010US20100116450 Bleached fiber product production method, apparatus to be used therefor, and bleached fiber product produced thereby
05/12/2010EP2183428A1 Method and apparatus for separating waste products from cellulose fibres in a paper recycling process
05/12/2010EP2183427A1 Apparatus for separating from cellulose fibres in paper recycling processes
05/12/2010EP1153168B1 Arrangement for adjusting width of fibre web
05/12/2010CN201459501U Device for evenly distributing fluid medium
05/12/2010CN201454261U Papermaking filter screen
05/12/2010CN1865583B Pulping process for mixed Devil's Rush herb and reed
05/12/2010CN101105011B Oxygen delignification and bleaching integration paste preparing method and device for realizing the same method
05/11/2010CA2293003C Method of making absorbent sheet from recycle furnish
05/10/2010CA2681687A1 Apparatus and method for treating, pressing and washing biomass
05/06/2010WO2010050883A1 Apparatus and method for dewatering cellulose pulp with improved dewatering efficiency
05/06/2010WO2010049591A1 Bleaching method
05/06/2010US20100108275 Polymer composition for peroxide bleaching of cellulosic fibre material and processes for peroxide bleaching
05/06/2010CA2741612A1 Bleaching method
05/06/2010CA2737310A1 Apparatus and method for dewatering cellulose pulp with improved dewatering efficiency
05/05/2010EP2181186A1 Storage-stable surfactant solutions for peroxide bleaches
05/05/2010CN201447631U Closed type deinking machine
05/05/2010CN201447630U Spiral mesh-belt pulp washer for paper making field
05/05/2010CN201447629U High-speed stock washer
05/05/2010CN1407172B Paper pulp production and system device with non-wood as raw materials
05/05/2010CN101701431A Method for producing bleached pulp for viscose fibers from bamboo
05/05/2010CN101701429A Method for improving yield and viscosity of gum wood pulp under condition of stewing mild sulfate
05/05/2010CN101701205A Alkali-resistant xylanase XynE2, genes thereof and application thereof
05/04/2010US7709557 shearing fibers to texturize and expose its internal fibers, then compressing into pellets and reopening the densified fibers in a resin to provide a network of fibers encapsulated in the resins; recycling wastes
04/2010
04/29/2010WO2010046768A1 Method for manufacturing papermaking pulp
04/29/2010WO2010046542A1 Method for preparing modified fiber products
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