Patents for D21C 3 - Pulping cellulose-containing materials (5,020)
06/2012
06/20/2012CN102505544A Straw pulp making process
06/20/2012CN101451321B Low brightness pulp prepared by ammonium sulfite steam cooking wheat straw raw material, preparation method and use thereof
06/13/2012CN102493257A Masson pine dissolving pulp and production method thereof
06/13/2012CN102493256A Eucalyptus dissolving pulp and production method thereof
06/13/2012CN102493245A Method for paper-making pulping
06/13/2012CN102493244A Auxiliaries-added replacement cooking process of bamboo materials
06/13/2012CN102493243A Papermaking and pulping method capable of obtaining black liquor at high concentration
06/07/2012WO2012074923A2 Improved sorbent and process for removing fermentation inhibitors
06/06/2012CN101760984B High strength mixing pulp and cultural paper made of thereof
05/2012
05/31/2012WO2012071312A2 Continuously fed biomass pretreatment process for a packed bed reactor
05/31/2012WO2012071308A2 Biomass pretreatment process for a packed bed reactor
05/31/2012US20120135485 Sorbent and process for removing fermentation inhibitors
05/31/2012US20120132379 Method for obtaining cellulose from biomass comprising lignocellulose
05/31/2012CA2817389A1 Continuously fed biomass pretreatment process for a packed bed reactor
05/31/2012CA2817384A1 Biomass pretreatment process for a packed bed reactor
05/30/2012CN202247507U Biological pulping system for papermaking
05/30/2012CN202247506U Novel ramulus mori continuous digestion and pulping device
05/30/2012CN101929088B Waste paper pulping method
05/30/2012CN101760983B Mixed pulp and paper with the same
05/30/2012CN101748646B Stuff used for preparing meta-aramid paper, the production method thereof and meta-aramid paper made from the stuff and the production method thereof
05/30/2012CN101638864B Natural color bento box and preparation method thereof
05/30/2012CN101638862B Natural color offset plate printing paper and preparation method thereof
05/30/2012CN101617081B Vapour phase digester and a method for continuous cooking
05/30/2012CN101451320B Grass type low brightness pulp, preparation method and use thereof
05/24/2012US20120125551 Biomass pretreatment process for a packed bed reactor
05/24/2012US20120125548 Continuously fed biomass pretreatment process for a packed bed reactor
05/23/2012EP2454409A1 High temperature lignin separation process
05/23/2012CN102154899B Base paper of sandpaper and production method thereof
05/23/2012CN101078185B Application of sodium peroxide mixing solution containing sodium ozonide in preparing paper pulp
05/22/2012US8182650 Modified Kraft fibers
05/16/2012CN102459753A Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper mill
05/10/2012WO2012059133A1 Method for recovering chemicals from wastewater produced in the production of lignocellulosic fibrous materials
05/09/2012CN102449233A System and method for the regulation of a continuous vapour phase digester
05/09/2012CN102449232A Method for obtaining cellulose from biomass comprising lignocellulose
05/09/2012CN102449231A Method for digesting lignocellulosic material
05/09/2012CN102444047A Method for preparing high-viscosity bagasse pulp by using oxygen and alkali cooking and ozone bleaching
05/09/2012CN102444045A Novel clean energy-saving process for pulping by taking fiber plant as raw material
05/09/2012CN101589134B Additives for increasing the separation yield of tall oil soap from black liquors
05/02/2012CN102433785A Bamboo displacement cooking process
05/02/2012CN101760985B High-opacity mixed pulp and cultural paper prepared from the same
05/02/2012CN101691698B Method for preparing lignocellulosic nanofibrils
05/02/2012CN101451312B Method for preparing bleached chemical pulp by using grass type plants as raw materials
05/02/2012CN101343844B Equipment and method for manufacturing high-density large-piece insulating paperboard
04/2012
04/25/2012EP2443280A1 Alkaline peroxide treatment of rejects in an integrated neutral-alkaline paper mill
04/25/2012CN102428040A Composition for inhibiting calcium salt scale formation
04/25/2012CN101184889B 使用气体有机试剂作为加热和反应加速介质生产纸浆 Use organic reagent gas as a heating medium to accelerate the production of pulp and reactions
04/19/2012US20120094335 Archael laccases and multicopper oxidases (mcos) and their uses thereof
04/19/2012DE102010048614A1 Extracting cellulose, hemicellulose and lignin, or lignin and tannin, comprises extracting cellulose and hemicellulose using (zwitterionic)iminium salts, precipitating the extracted cellulose or hemicelluloses, and separating
04/18/2012CN102121206B 高透气性纸浆及其制备方法与应用 High permeability pulp and preparation method and application
04/12/2012WO2012010750A3 Method for producing sugars from lignocellulosic biomass pretreated with a mixture of hydrated inorganic salts and metal salts
04/12/2012WO2012010749A3 Method for producing sugars from lignocellulosic biomass pretreated with hydrated inorganic salts
04/12/2012WO2011112703A3 Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes
04/11/2012EP2198035B1 Method and equipment for production of glucose, ethanol, furfural, furane and lignin from renewable raw materials
04/11/2012EP1969175B1 A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein
04/10/2012US8153863 Transgenic plants expressing GLK1 and CCA1 having increased nitrogen assimilation capacity
04/04/2012EP2436837A1 Method for digesting lignocellulosic material
04/04/2012EP1874997B1 Production of pulp using a gaseous organic agent as heating and reaction-accelerating media
04/04/2012CN202181475U 新型溶解浆生产装置 The new dissolving pulp production plant
04/04/2012CN102405318A 用于运输纤维素原料的方法和装置 Method and apparatus for transporting the raw cellulose material
04/04/2012CN102400405A 制造非木材纤维浆料的方法 Method of manufacturing non-wood fiber slurry
04/04/2012CN102400404A 一种用蒸球碱法蒸煮免切草类制备草浆的方法 A free cooking cut grass straw preparation methods using steam ball soda
04/04/2012CN102400403A 高档宣纸浆的清洁工业生产法 High-grade pulp declared clean industrial production method
04/04/2012CN101634117B 一种以芦苇为原料制备纸浆板的方法 A kind of reed pulp was prepared from the plate method
04/03/2012US8148104 Use in treatment of paper pulp or animal feeds; enzyme is active over a wide range of temperature and of basic and acid pH
03/2012
03/29/2012CA2812685A1 Thermoplastic lignin for producing carbon fibers
03/28/2012CN102392377A Electrocatalysis oxidation pulping method for purified cotton and production system equipment
03/22/2012US20120067533 Cooking process of lignocellulose material
03/21/2012CN102383332A Cotton pulp with high degree of polymerization and production method thereof
03/21/2012CN102121205B Wood and bamboo fiber mercerizing pulp and preparation method thereof
03/21/2012CN101451314B Method for preparing high-hardness pulp by using grass type plants as raw materials
03/21/2012CN101353868B Alkaline process cooking method for preparing high-hardness pulp from gramineae plants
03/15/2012US20120061043 Process for the bleaching of mechanical paper pulp
03/14/2012CN102373638A High-yield clean pulping method from oil palm EFB (empty fruit bunch) fiber through biological enzyme process
03/08/2012US20120058536 Polymer made of a primary amine functionalized polymer and a hemicellulose
03/03/2012CA2744522A1 Biomass decomposition apparatus and method thereof, and sugar-solution production system using biomass material
03/01/2012US20120048492 System and a method for optimization of continuous digestion process
02/2012
02/29/2012CN102365405A Method and arrangement for wash after completed digestion in a continuous digester for the production of cellulose pulp
02/29/2012CN102363928A Clean pulp preparation process using reaction of KOH and H2O2
02/29/2012CN102363927A Clean pulp preparation process for high-whiteness and high-strength chemical straw pulp
02/28/2012US8123904 Method of making medium density fiberboard
02/28/2012CA2417860C Novel variant egiii-like cellulase compositions
02/23/2012WO2011161326A3 Method of dissolving lignocellulosic materials
02/16/2012WO2012019305A1 Method for dilute acid pretreatment of l1gnocellulosic feedstocks
02/16/2012US20120040413 Chlorine dioxide treatment of biomass feedstock
02/16/2012US20120037325 Treatment, such as cutting, soaking and/or washing, of organic material
02/16/2012CA2806130A1 Method for dilute acid pretreatment of l1gnocellulosic feedstocks
02/15/2012EP2417293A1 Method for obtaining cellulose from biomass comprising lignocellulose
02/15/2012CN102352572A Preparation method for bamboo wood dissolving pulp
02/09/2012US20120031575 Pulp Bleaching and Alkaline Extraction Method
02/09/2012US20120031574 Chip feed and steaming system and method for batch digester
02/08/2012CN101171387B 用于生产纸浆、木质素和糖的方法的设备以及使用该设备的生产方法 For the production of pulp, lignin and saccharides device production process and the use of the apparatus
02/01/2012EP2411576A1 Method and arrangement for wash after completed digestion in a continuous digester for the production of cellulose pulp
02/01/2012CN102337700A Pulping method of boiling grass fiber materials and sodium carbonate
02/01/2012CN102337690A Pulping method for stewing bamboo material by using aluminum salt and retaining silicon at same time
02/01/2012CN102337689A Stewing method for preparing bamboo wood dissolving pulp
02/01/2012CN102337688A Mixed pulp used for producing viscose fiber and its production process
02/01/2012CN102337687A Novel pulping process for obtaining high performance fiber at high yield from plants
02/01/2012CN102337686A Clean pulping technology of bamboo materials
02/01/2012CN102337685A Non-pollution mechanical pulping with crop straws
02/01/2012CN102337684A Vapor pre-hydrolysis technique for material slice of bamboo wood dissolving pulp
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