| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 08/25/2011 | WO2011101390A1 Insulating materials and methods for the production thereof |
| 08/24/2011 | EP2358938A1 Method for controlling enzymatic decomposition of peroxide and products thereof |
| 08/24/2011 | CN102161846A Neutral flotation deinking agent and method of deinking waste newspaper thereof |
| 08/24/2011 | CN101023165B Novel laccase enzyme and use thereof |
| 08/18/2011 | WO2011100530A1 Method for removing ink from paper |
| 08/18/2011 | US20110198048 Enzymatic hydrolysis of a polymer comprising vinyl acetate monomer |
| 08/17/2011 | CN102154880A Reformed woolen paper and production method thereof |
| 08/17/2011 | CN102154879A Waste paper processing and recycling method |
| 08/17/2011 | CN102154878A Method for manufacturing high-strength paper board by old and useless newsprint |
| 08/17/2011 | CN102154877A Grinding process for domestic waste paper |
| 08/17/2011 | CN102154876A Method for extracting and separating components in ramulus mori skin |
| 08/17/2011 | CN102154875A Pulping technology of cotton linter |
| 08/17/2011 | CN102154870A Method for preparing high-polymer pulp |
| 08/17/2011 | CN102154869A Cooking aid for preparing chemical fiber pulp |
| 08/17/2011 | CN102153703A Preparation method of cellulose-based high-water-absorption high-water-retention resin |
| 08/17/2011 | CN101736630B Pretreatment method for biorefinery of lignocellulose |
| 08/17/2011 | CN101725064B Method for improving removal effect of stickies in waste paper pulp |
| 08/17/2011 | CN101270371B Preprocessing method for biomass |
| 08/11/2011 | WO2011096316A1 Waste-paper processing device |
| 08/11/2011 | US20110192558 Recycling of fibre products |
| 08/10/2011 | EP1618248B1 Impregnation of chips with an acid liquid prior to a sulphate pulping process |
| 08/10/2011 | CN102146362A Noval endoglucanase |
| 08/10/2011 | CN102146143A Method for preparing pectin and cellulose from extracting residues of ginseng and American ginseng and application thereof |
| 08/09/2011 | US7993898 Cellulase variants |
| 08/04/2011 | WO2011092378A1 Processing of wood chips for production of thermomechanical pulp |
| 08/03/2011 | EP2350382A1 Recycling of fibre products |
| 08/03/2011 | CN101103046B Improved biocomposite material |
| 08/02/2011 | US7988822 Treatment vessel for straw or other light bulky material |
| 08/02/2011 | US7988821 Process for the treatment of fibre material and new composition |
| 07/27/2011 | CN102134616A Method for fully utilizing biobased products prepared by semicellulose of straws as well as components thereof |
| 07/27/2011 | CN101067287B Producing technology for microcrystalline cellulose with waste acid cotton linter |
| 07/21/2011 | WO2011063800A3 Method for producing lignocellulosic paper pulps and papers, cardboards, and paperboards obtained therefrom |
| 07/20/2011 | CN102127241A Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| 07/20/2011 | CN102125785A Multifunctional combined type purification device |
| 07/19/2011 | CA2469837C System for deinking pulp with means for guiding bubbles |
| 07/14/2011 | US20110168345 Method of producing paper and cardboard |
| 07/13/2011 | EP2342379A1 Arundo donax hemicellulose recovery process |
| 07/13/2011 | EP1305430B1 Mutant trichoderma reesei egiii cellulases, dna encoding such egiii compositions and methods for obtaining same |
| 07/07/2011 | WO2011081172A1 Deinking apparatus |
| 07/07/2011 | WO2011081006A1 Waste paper processing device |
| 07/06/2011 | CN201891046U 混合装置 Mixing device |
| 07/06/2011 | CN102115995A Silicon oil paper dissociation agent and dissociation process thereof |
| 07/06/2011 | CN101328692B Paper pulp fabrication process and system |
| 06/30/2011 | US20110155334 Use of Modified Inorganic Particles With Deinking |
| 06/29/2011 | CN102108647A Process for producing paper pulp, compressed paperboard prepared with paper pulp and application of paperboard |
| 06/23/2011 | WO2011074487A1 Waste paper processing system |
| 06/22/2011 | CN102102305A Waste paper recycling system |
| 06/22/2011 | CN102101915A Separation method for agriculture and forestry biomass components |
| 06/16/2011 | WO2011070994A1 Wastepaper processing device |
| 06/08/2011 | CN101736634B Process for deinking office waste paper |
| 06/08/2011 | CN101736633B Stewing process for preparing bamboo dissolving pulp by utilizing natural-color unbleached bamboo pulp in a modifying way |
| 06/08/2011 | CN101649571B Method for dissolving and extracting cellulose in bagasse |
| 06/08/2011 | CN101538597B Method for disposing straws by sulfur trioxide gas |
| 06/01/2011 | DE102009047156A1 Auflösung Resolution |
| 06/01/2011 | CN201850462U Straw fiber swelling machine |
| 06/01/2011 | CN102084058A Methods and systems for feedstock production from sewage and product manufacturing therefrom |
| 06/01/2011 | CN102084057A Deinking a cellulosic substrate using magnesium hydroxine |
| 06/01/2011 | CN102084056A Deinking a cellulosic substrate using magnesium silicate |
| 06/01/2011 | CN102084055A Method of treating biomass |
| 06/01/2011 | CN102080070A Novel endoglucanases |
| 06/01/2011 | CN101139400B method for separating straw acetylized component and preparing straw cellulose acetate |
| 05/31/2011 | US7951267 Enzymatic hydrolysis of a polymer comprising vinyl acetate monomer |
| 05/25/2011 | CN201843006U Paper destroying device |
| 05/25/2011 | CN101830989B Method for preparing high-viscosity sodium carboxymethyl cellulose by utilizing potato starch residues |
| 05/24/2011 | CA2423775C Device for separating air from flotation foam |
| 05/24/2011 | CA2214116C Novel endoglucanases |
| 05/19/2011 | WO2011059790A1 Polyester surfactants for deinking |
| 05/19/2011 | WO2011059376A1 Method of producing pulp from lignocellulosic material containing silica |
| 05/19/2011 | WO2011058935A1 Deinking effluent treatment apparatus, deinking system, and deinking effluent treatment method |
| 05/19/2011 | CA2780124A1 Polyester surfactants for deinking |
| 05/18/2011 | CN101654883B Biological processing method for preventing strength of regenerated plant fiber from being reduced |
| 05/18/2011 | CN101649569B Process for preparing low-pollution wheatgrass microcrystalline cellulose |
| 05/12/2011 | WO2011054694A1 Method for recycling paper products glued and/or coated with biodegradable polymers |
| 05/12/2011 | US20110108221 Polyester surfactants for deinking |
| 05/12/2011 | CA2777904A1 Method for recycling paper products glued and/or coated with biodegradable polymers |
| 05/11/2011 | EP0815175B2 Recycling of mineral fillers from the residue of a paper deinking plant |
| 05/11/2011 | CN201826205U Device for extracting microcrystalline cellulose from cottonseed sulfuric acid delinting waste |
| 05/11/2011 | CN1839228B Process for producing recycled pulp, method of modifying pulp fiber surface and contaminant, and pulp treating apparatus |
| 05/11/2011 | CN1697877B Xylanases with enhanced thermophilicity and alkalophilicity |
| 05/11/2011 | CN102051833A Preparation method of straw matter mechanical pulp |
| 05/11/2011 | CN102051832A Pulp concentration adjusting method of used paper recycling apparatus, pulp concentration adjusting device of used paper recycling apparatus, and used paper recycling apparatus |
| 05/11/2011 | CN101725069B Method for improving removal effect of ink in waste paper pulp |
| 05/11/2011 | CN101337607B Polystyrene foam recovery regeneration buffer packing gasket and production method thereof |
| 05/05/2011 | DE102009051825A1 Wash separator for separating fiber and filling material from sewage water during paper manufacturing in paper mill, has sieve arranged below wash tub filling level and discharging filling material-loadable fluid into tub through sieve unit |
| 05/04/2011 | EP2315870A1 Deinking a cellulosic substrate using magnesium hydroxine |
| 05/04/2011 | CN102040709A Method for preparing bleaching bamboo pulp cellulose water absorbing material |
| 05/04/2011 | CN101508005B Paper pouring channel tube for casting and shaping technique thereof |
| 05/04/2011 | CN101105013B Floatater and method for de-inking waste paper |
| 05/03/2011 | US7935219 Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials |
| 05/03/2011 | CA2265914C Cellulase variants |
| 04/28/2011 | WO2011050298A2 Method for making fire retardant materials and related products |
| 04/28/2011 | US20110095245 Method for Making Fire Retardant Materials and Related Products |
| 04/27/2011 | CN102031714A Production method of vinegar-grade bamboo pulp |
| 04/27/2011 | CN101519852B Method for separating cellulose from straws and getting cellulose solution |
| 04/21/2011 | WO2011046924A1 Fibrous structures comprising enzymatically treated hardwood pulp fibers |
| 04/21/2011 | WO2011044646A1 Process for producing differentiated cellulose fibers comprising an enzymatic treatment in association with an acid step |
| 04/21/2011 | CA2777801A1 Process for producing differentiated cellulose fibers comprising an enzymatic treatment in association with an acid step |
| 04/21/2011 | CA2777776A1 Fibrous structures comprising enzymatically treated hardwood pulp fibers |
| 04/20/2011 | EP2310568A1 Deinking a cellulosic substrate using magnesium silicate |
| 04/20/2011 | EP1570042B1 Methods and systems for pretreatment and processing of biomass |