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)
06/2014
06/24/2014US8758556 Composition for inhibiting calcium salt scale formation
06/19/2014WO2014091086A1 Method for catalytic oxidation of cellulose and method for making a cellulose product
06/19/2014WO2014090609A1 Use of sodium dithionite in a cellulose pulping process
06/18/2014CN103865903A High-temperature-resistant alkaline xylanase
06/18/2014CN103865902A Method for preparing high-temperature-resistant alkaline xylanase
06/18/2014CN102704304B Automatically maintained and automatically controlled long-term safe operation device for concentrating paper pulp-washing black liquor
06/18/2014CN102677509B Material preparation process for preparing dissolving pulp by modifying bleached needle leave wood and broadleaf wood composite pulp
06/18/2014CN102561092B Anti-rust base paper and production method thereof
06/18/2014CN101597876B New technique of starch addition used for improving paper strength
06/18/2014CN101597875B New technique for improving paper strength by joint gelatinization of starch and pulp
06/17/2014US8753484 Ligno cellulosic materials and the products made therefrom
06/17/2014US8753477 BCTMP filtrate recycling system and method
06/17/2014CA2627420C A method and an apparatus for removing extractives from fibrous suspension
06/10/2014US8747709 Phosphonate-substituted lignin as a flame retardant
06/10/2014US8747613 Pressure diffuser with less power rating in hydraulic system
06/04/2014CN102817262B High-yield environment-friendly papermaking and pulping process method and system
06/04/2014CN102776795B Application of organic phosphonic acid in pulp bleaching process
05/2014
05/28/2014CN103821030A 一种造纸用预浸剂及其制备方法和一种纸质工业包装生产工艺 A papermaking prepreg and its preparation method and an industrial packaging paper production process
05/28/2014CN103060290B 一种碱性木聚糖酶及其编码基因与应用 An alkaline xylanase coding gene and application
05/28/2014CN102644211B 一种工业大麻全秆漂白化学浆的制备方法 A whole industrial hemp stalk method for producing bleached chemical pulp
05/28/2014CN102587181B 一种环保清洁制浆工艺 An environmentally clean pulping process
05/27/2014US8734612 Method and system for high alpha dissolving pulp production
05/22/2014DE102013209998A1 Konstantteil-Mischvorrichtung Approach flow mixing device
05/21/2014EP2732092A1 Hydrophobised calcium carbonate particles
05/21/2014CN203602949U 一种造纸热分散系统 A papermaking heat dispersion systems
05/21/2014CN203602948U 一种浓缩机的真空调节装置 Vacuum regulator means a concentrated machine
05/21/2014CN203602947U 一种造纸浆料脱墨用的揉搓机 A papermaking pulp deinking with massage machine
05/21/2014CN203602946U 一种用于面浆净化的高速清洗装置 A high-speed surface cleaning apparatus for purifying slurry
05/21/2014CN103814000A 在木质纤维素的转化过程中回收盐的方法 The method of recovering a salt of the lignocellulosic conversion process
05/21/2014CN103806320A 一种提高高得率浆白度的方法 A high-yield method for improving the whiteness of pulp
05/21/2014CN103804263A 一种纸浆漂白剂的制备方法 A method for preparing a pulp bleaching agent
05/20/2014CA2731073C Grass type unbleached paper product and preparation method thereof
05/15/2014WO2014072886A1 Mixing drying of nanofibrillated polysaccharide
05/15/2014WO2014072586A1 A method and a system for treating liquid flows at a chemical pulp mill
05/15/2014WO2014072584A1 A method and a system for treating liquid flows at a chemical pulp mill
05/15/2014WO2014072576A1 Method for opening fibres containing cellulose
05/15/2014DE102013210004A1 Konstantteil Constant part
05/14/2014CN203593914U 转鼓式高能漂白机 Drum energy bleacher
05/14/2014CN103790060A 聚集态改性制浆新工艺的磨浆、漂白技术 Aggregation of new technology modified pulp refining, bleaching technology
05/14/2014CN102926186B 一种强力还原粉 A potent reduction powder
05/14/2014CN102704303B 一种麦草爆破浆的漂白方法 A straw pulp bleaching process of blasting
05/14/2014CN102704302B 一种慈竹爆破浆的漂白方法 A method of bleaching pulp blasting Neosinocalamus
05/08/2014WO2014070584A1 Methods and systems for processing lignin through viscosity reduction during hydrothermal digestion of cellulosic biomass solids
05/08/2014WO2014070583A1 Methods and systems for processing lignin during hydrothermal digestion of cellulosic biomass solids while producing a monohydric alcohol feed
05/08/2014WO2014070582A1 Methods and systems for processing lignin during hydrothermal digestion of cellulosic biomass solids
05/08/2014US20140124150 Method for production of micro fibrillated cellulose
05/07/2014EP2726670A1 Catalytic biomass conversion
05/07/2014CN102926261B 一种针阔混合氢氧化钠蒽醌化学浆全无氯漂白的工艺 One kind of mixed coniferous and broad-sodium anthraquinone totally chlorine bleaching of chemical pulp process
05/06/2014CA2614055C A roll body for a press roll
04/2014
04/30/2014CN203569366U Automatic dosing device for bleaching machine
04/30/2014CN203569365U Paper pulp bleacher
04/30/2014CN103764906A Pulp composition
04/30/2014CN103764573A Improving the drainage of an aqueous composition
04/30/2014CN103757986A Method for preparing flexible transparent nano paper by utilizing bamboo fibers
04/30/2014CN103757964A Preparation method of hemp husk fibers
04/30/2014CN103757963A Method for preparing hemp husk fibers through chlorine dioxide gas bleaching
04/30/2014CN103757960A Method for applying cutinase to papermaking industry
04/29/2014US8709209 Anionic lipophilic glycerol-based polymers for organic deposition control in papermaking processes
04/29/2014US8709203 Fractionation of a waste liquor stream from nanocrystalline cellulose production
04/24/2014WO2014059541A1 Novel cell wall deconstruction enzymes of thermoascus aurantiacus, myceliophthora fergusii (corynascus thermophilus), and pseudocercosporella herpotrichoides, and uses thereof
04/24/2014US20140113966 Perhydrolase variant providing improved specific activity
04/24/2014US20140110345 Lignin Dewatering Process
04/23/2014CN103748282A Hydrophobised calcium carbonate particles
04/23/2014CN103748116A Method for catalytic oxidation of cellulose and method for making a cellulose product
04/23/2014CN103744364A Automatic control system and control method for double-spiral pulp extruder
04/17/2014WO2014058846A1 Cellulase composition containing cellulase and papermaking polymers for paper dry strength application
04/17/2014WO2013029764A8 Improving the drainage of an aqueous composition
04/16/2014EP2718329A1 Method for catalytic oxidation of cellulose and method for making a cellulose product
04/16/2014CN103732826A Non-coated paper and coated paper
04/16/2014CN103726382A Pure straw Chinese art paper and chloride-free bleaching production process thereof
04/16/2014CN103726377A Clean pulping method for low-polymerization degree bamboo pulp
04/16/2014CN102605667B Chinese yew pulp and preparation method thereof
04/10/2014WO2014055092A1 Filler suspension and its use in the manufacture of paper
04/09/2014EP2714987A1 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
04/09/2014CN203530762U Device for performing pulp washing on cooked cotton linters
04/09/2014CN203530761U Deinking and pulping system
04/08/2014CA2600752C Arrangement for the treatment of cellulose pulp in a washing apparatus arranged with a reinforcing frame
04/03/2014WO2014051493A1 Liquid distributor for a washing apparatus, and washing apparatus
04/02/2014CN103703184A Softwood kraft fiber having improved whiteness and brightness and methods of making and using same
04/02/2014CN102704317B Post-processing technology for wood-bamboo composite pulp
04/02/2014CN102704300B Method for reproducing paper pulp used for filter stick core paper by utilizing filter stick waste
04/02/2014CN102691228B Post-processing process of cotton-wood composite pulp
04/02/2014CN101939481B Detergent for kraft pulp and process for producing kraft pulp with the same
04/02/2014CN101910515B Method and apparatus for measuring deposition of particulate contaminants in pulp and paper slurries
03/2014
03/27/2014WO2014043781A1 Process for making partly-hydrolyzed cellulose using compressed cellulosic materials
03/27/2014US20140088301 Process for treating microfibrillated cellulose and microfibrillated cellulose treated according to the process
03/26/2014CN203498700U Mechanical device for producing paper pulp of art paperboard by taking recycled waste paperboard as raw material
03/26/2014CN203498699U Mechanical device for producing art paperboard pulp by taking recycled waste newspaper as raw material
03/26/2014CN203498697U Novel neutral environmental-friendly art board paper producing device
03/26/2014CN103669066A Method of improving removal rate of gummy substances in waste cardboard paper
03/26/2014CN103669064A Preparation process of acetified bamboo pulp
03/26/2014CN102619126B High-purity sulfate pulp, as well as production method and application thereof
03/26/2014CN102619125B Sulfate paper pulp for producing three-filtration paper and production method for sulfate paper pulp
03/26/2014CN102230290B High-concentration steaming and rinsing integrative storage reaction bin
03/26/2014CN102227245B Method and arrangement for fixing endless wire
03/20/2014WO2014041251A1 Method of producing dissolving pulp, dissolving pulp and use of method
03/19/2014EP2707541A1 Process for treating cellulose and cellulose treated according to the process
03/19/2014EP2707540A1 Process for treating microfibrillated cellulose and microfibrillated cellulose treated according to the process
03/19/2014CN103643579A Paper pulp bleaching process
03/19/2014CN102378777B Process for the production of nano-fibrillar cellulose gels
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