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 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters
Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
11/2012
11/15/2012WO2012125937A3 Glycosyl hydrolase enzymes and uses thereof for biomass hydrolysis
11/15/2012US20120289450 Cellulase Variants
11/14/2012CN101962449B Method for removing lignin from biomass by using alkaline electrolyzed functional water
11/14/2012CN101831822B Method for producing paper pulp by adopting cotton stalk peel as raw material
11/13/2012US8308901 Enhanced fiber additive; and use
11/08/2012WO2012116907A3 Removal of impurities in waste paper processing
11/07/2012CN102766614A Endoglucanase STCE and cellulase preparation containing the same
11/07/2012CN102230284B Ultrasonic-assistant steam explosion pretreatment process for extracting straw cellulose of crops
11/07/2012CN100999877B Tooth refiner plates having V-shaped teeth
11/06/2012CA2604782C An apparatus for distributing a pulp flow
11/01/2012US20120276619 Method for recycling paper products glued and/or coated with biodegradable polymers
10/2012
10/31/2012CN102276734B Formaldehyde absorptive reagent capable of improving bonding strength of urea resins as well as preparation method and application thereof
10/31/2012CN102212975B Separation method of pteroceltis tatarinowii fiber
10/25/2012DE112010004820T5 Altpapier-Verarbeitungssystem Waste paper processing system
10/25/2012DE102012205721A1 Drum pulper for treatment of e.g. mixed waste paper for manufacturing paper, has thicken-part arranged on side of upper flow in flow direction of fiber mass suspension with respect to dissolving portion and provided with gap-like apertures
10/24/2012CN102753753A Method for removing ink from paper
10/24/2012CN102747638A Production technology for high-wet modulus cotton pulp
10/24/2012CN102747637A Process for producing cellulose by residues of pomace after pectin extraction
10/24/2012CN102747636A Method for preparing high-bulk eucalyptus alkaline peroxide mechanical pulp
10/24/2012CN102747635A Method for producing microcrystalline cellulose through sulfated waste cotton velvet
10/24/2012CN102747435A Biological bacterial degumming method for raw hemp
10/24/2012CN101824765B Production process of low-ration high-strength waterproof plaster board mask paper
10/23/2012CA2554056C A process for the treatment of fibre material and new composition
10/23/2012CA2445916C Use of lipolytic enzymes for stickies control
10/18/2012DE112010005031T5 Deinking-Vorrichtung Inking device
10/18/2012DE112010001537T5 Herstellungsvorrichtung für aufgearbeiteten Zellstoff, Altpapierverarbeitungsvorrichtung und Altpapierverarbeitungsverfahren Manufacturing apparatus regenerated pulp, waste paper processing apparatus and paper recycling process
10/17/2012CN102733226A Method for preparing stainless steel interleaving paper by wastepaper
10/17/2012CN102733225A Production technology of all-wood-pulp unbleached ecological environmentally-friendly toilet paper
10/17/2012CN102733224A Method for separating corncob cellulose by using ionic liquid
10/17/2012CN102733223A Pulping method by catalysis of low boiling point solvent with diluted acid generated from xylose residue and furfural residue
10/17/2012CN102733222A Method for extracting cellulose from tobacco waste by zinc chloride process
10/17/2012CN102733221A Method for recycling lignin and cellulose in tobacco waste
10/17/2012CN102733220A Method for extracting cellulose from tobacco waste based on oxidation water-alcohol process
10/17/2012CN102733219A Method for extracting cellulose from tobacco waste based on reductant-oxidant
10/17/2012CN102731475A Method for recycling nicotine and hemicellulose in tobacco waste
10/17/2012CN101748630B Acid-free pre-hydrolysis enzymolysis-free method for preparing bamboo pulp of Dendrocalamus giganteus Munro series
10/16/2012US8287691 Enhanced fiber additive; and use
10/16/2012US8287690 Modified inorganic particles for deinking
10/11/2012US20120258509 Methods and systems for pretreatment and processing of biomass
10/10/2012EP2507430A1 Improved methods of treating a biomass for enzymatic hydrolysis
10/10/2012CN102718982A Method for preparing straw cellulose membrane by using wheat straw as raw materials
10/10/2012CN102154880B Reformed woolen paper and production method thereof
10/09/2012CA2494644C Production of a fermentation product
10/04/2012WO2012132513A1 Method for producing pulp and paper
10/04/2012WO2012129699A1 Cell wall deconstruction enzymes of thermomyces lanuginosus and uses thereof
10/04/2012WO2012129697A1 Novel cell wall deconstruction enzymes of talaromyces thermophilus and uses thereof
10/04/2012DE112010005025T5 Altpapierverarbeitungsvorrichtung Waste paper processing apparatus
10/04/2012CA2831570A1 Processes for preparing pulp and paper
10/03/2012CN102704301A Process of coated kraft waste paper recycled intermediary paper
10/03/2012CN102020723B Method for continuously extracting low-ester pectin and microcrystalline cellulose from jerusalem artichoke stalks
10/03/2012CN101666048B Method for manufacturing inorganic mineral paper rope
10/03/2012CN101580522B Method for separating lignin and cellulose from lignocellulose by using ionic liquid solvent
10/02/2012US8277607 Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials
09/2012
09/27/2012WO2012126709A1 Method for producing lignin derivatives
09/27/2012CA2830667A1 Method for producing lignin derivatives
09/26/2012EP2503054A1 Method for preparing a fibrous suspension
09/26/2012CN202450364U Power-free pulping equipment for low-temperature insulating paper
09/26/2012CN102691233A Production method for high-bulk grey board
09/20/2012WO2012123736A1 Waste treatment
09/20/2012DE102012204203A1 Method for recycling waste paper e.g. newspaper, in reactor vessel for manufacturing paper, involves dispersing portion of waste paper and particles such that printing ink-, dirt and/or oil particles in waste paper are removed and crushed
09/20/2012CA2830239A1 Glycosyl hydrolase enzymes and uses thereof for biomass hydrolysis
09/19/2012EP2499295A1 Polyester surfactants for deinking
09/19/2012CN202440716U Flotation deinking device for papermaking
09/19/2012CN102677532A Process for preparing cultural paper by utilizing full-recovered pulp
09/19/2012CN102677515A Process for preparing recovered pulp with high whiteness and high cleanliness
09/19/2012CN102677514A Re-pulping method for high wet strength waste paper containing PAE resin
09/19/2012CN102677513A Clean production process for papermaking from waste paper
09/19/2012CN102677512A Deinking device and method for waste paper magnetic-separation deinking machine
09/19/2012CN102677511A Method for preparing virgin pulp for papermaking by utilizing organic enzyme to carry out enzyme treatment on herbaceous plants
09/19/2012CN102677510A Method for separating cellulose and lignin from plant fiber raw material by utilizing ion liquid
09/19/2012CN102677498A Method for producing corrugated base paper pulp by utilizing scrap materials of fibre board
09/19/2012CN102675955A Waste paper deinking agent and preparation method thereof
09/19/2012CN102675563A Preparation method of water-absorbable material by crofton weed
09/19/2012CN102675481A Nano xylan and preparation method thereof
09/19/2012CN102671922A Method for recycling papermaking waste residues
09/18/2012US8268119 Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
09/12/2012CN102660885A Method for preparing high-performance long fiber by utilizing lignocelluloses biological method
09/12/2012CN102660884A Method for producing hemicellulose by treating straw by ammonia water steam explosion technology
09/12/2012CN102660883A A method for preparing microcrystalline cellulose for artificial collagen casing
09/12/2012CN102660881A Method for efficiently separating lignin
09/12/2012CN102286204B Preparation method for synthesizing composite material by using fiber of waste paper and collagen of waste leather
09/11/2012US8262853 Methods for pretreatment and processing of biomass
09/11/2012CA2532040C Method of curling fiber and absorbent sheet containing same
09/07/2012WO2012116907A2 Removal of impurities in waste paper processing
09/06/2012DE102011005024A1 Rotor Rotor
09/05/2012EP2494107A1 Process for production of microfibrillated cellulose in an extruder and microfibrillated cellulose produced according to the process
09/05/2012EP2494106A1 Method for recycling paper products glued and/or coated with biodegradable polymers
09/05/2012CN102653930A Pollution-free pulping process for plant fibers
09/05/2012CN102154870B Method for preparing high-polymer pulp
09/05/2012CN102108647B Process for producing paper pulp, compressed paperboard prepared with paper pulp and application of paperboard
09/04/2012CA2510463C Process for pulping waste paper containing impurities
08/2012
08/30/2012WO2012115590A1 Single-step method for production of nano pulp by acceleration and disintegration of raw material
08/30/2012WO2012093395A3 A method and composition for deinking a printed substrate
08/30/2012WO2012019175A8 Production of malonyl-coa derived products via anaerobic pathways
08/30/2012US20120216970 Composition and method for improving retention and drainage in papermaking processes by activating microparticles with a promoter-flocculant system
08/30/2012DE102011012236A1 Stofflöser zum Zerkleinern und Suspendieren von Papierstoff Pulper for comminuting and suspending paper stock
08/30/2012DE102011004808A1 Entfernung von Verunreinigungen bei der Altpapieraufbereitung Removal of contaminants in the waste paper processing
08/29/2012CN102650108A Method for producing fiberboards by lignocelluloses as raw materials
08/29/2012CN102125785B Multifunctional combined type purification device
08/23/2012DE102011004439A1 Method for manufacturing fibrous material suspension for manufacturing e.g. packaging papers, for packing food products, involves discharging water vapor formed in pulper space out of space and subsequently downwardly condensing water vapor
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