| Patents for D21C 9 - After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters (10,265) |
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| 03/05/2015 | WO2015028719A1 Method for catalytic oxidation of cellulose and method for making a cellulose product |
| 03/05/2015 | US20150064331 Method and a system for isolating xylan from plant material, as well as xylan |
| 03/05/2015 | US20150059102 Drainage Of An Aqueous Composition |
| 03/03/2015 | US8968515 Methods for pretreating biomass |
| 02/26/2015 | WO2015026507A1 Methods to control organic contaminants in fibers using zeolites |
| 02/26/2015 | US20150053358 Methods To Control Organic Contaminants In Fibers Using Zeolites |
| 02/25/2015 | EP2840182A1 Ligno cellulosic materials and the products made therefrom |
| 02/25/2015 | EP2839073A1 Method for automatically determining stickies in a recycled fibre process |
| 02/25/2015 | EP2839071A1 The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products |
| 02/24/2015 | US8962294 Perhydrolase variant providing improved specific activity |
| 02/24/2015 | US8961740 Method of manufacturing pulp for corrugated medium |
| 02/24/2015 | CA2664088C Treatment of pulp |
| 02/18/2015 | EP2837638A1 Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same |
| 02/12/2015 | WO2015021130A1 Processes for purifying a cellulosic material |
| 02/12/2015 | WO2015018908A1 Reducing content of hexenuronic acids in cellulosic pulp |
| 02/11/2015 | EP2834408A1 Process for removal of solid non-fibrous material from pulp |
| 02/11/2015 | EP2834407A1 A method for bleaching pulp |
| 02/11/2015 | CN204151606U 一种废纸脱墨浆的漂白装置 Deinking pulp bleaching apparatus of |
| 02/11/2015 | CN104343040A 一种预防近视的书写纸 A method of preventing myopia writing paper |
| 02/10/2015 | US8951766 Laccases for bio-bleaching |
| 02/05/2015 | WO2015016431A1 Fiberization method of knots derived from pulp, fiberized knots and paper products using same |
| 02/05/2015 | WO2015015056A1 Method for catalytic oxidation of cellulose and method for making a cellulose product |
| 02/05/2015 | US20150034263 Method for fibrillation of cellulose and fibril cellulose product |
| 02/04/2015 | EP2832925A1 Assembly for washer shower pipe and method to adjust open area of orifices in the pipe |
| 02/04/2015 | CN104328704A 制浆过滤脱水装置 Pulp filter dewatering device |
| 02/03/2015 | US8946100 Fibers of variable wettability and materials containing the fibers |
| 02/03/2015 | US8945345 Method for producing furnish, furnish and paper |
| 02/02/2015 | CA2858335A1 Assembly for washer shower pipe and method to adjust open area of orifices in the pipe |
| 01/29/2015 | WO2015013146A1 Method of deposition monitoring |
| 01/28/2015 | CN104313933A 一种硫酸盐蔗渣浆绿色漂白方法 One kind of bagasse pulp bleaching green sulphate |
| 01/27/2015 | US8940133 Product and processes from an integrated forest biorefinery |
| 01/27/2015 | US8940131 Screw compression process for the conversion of lignocellulosic suspensions containing a high proportion of dry material |
| 01/27/2015 | US8940058 Fluorescent whitening agent aqueous solutions |
| 01/22/2015 | WO2015007953A1 A method of producing oxidized or microfibrillated cellulose |
| 01/21/2015 | CN104302831A 具有降低的黄变特性的低粘性牛皮纸纤维及其制造和使用方法 Low viscosity kraft fibers having reduced yellowing characteristics and their method of manufacture and use |
| 01/21/2015 | CN104294695A 一种新型螯合剂在化学机械浆过氧化氢漂白中应用的方法 A novel method of chelating agent in the chemical hydrogen peroxide bleaching of mechanical pulp Application |
| 01/21/2015 | CN104294694A 一种预抽提后竹浆的二氧化氯漂白方法 A chlorine dioxide bleaching process after pre-extraction of bamboo |
| 01/20/2015 | US8936697 Highly absorbent and retentive fiber material |
| 01/15/2015 | WO2015006362A1 Processes for removal of contaminants from cellulosic material |
| 01/14/2015 | EP2823099A1 Process for making absorbent component |
| 01/14/2015 | CN103074790B 一种生物质原料的综合利用工艺 A comprehensive utilization of raw materials craft materials |
| 01/14/2015 | CN103031764B 一种由生物质原料制备纸浆并联产生物碳的方法 A method of producing a carbon material prepared from pulp biomass feedstock in parallel |
| 01/08/2015 | US20150007951 Method for recovery of molybdate in a molybdate-catalysed delignification of pulp with hydrogen peroxide |
| 01/07/2015 | CN204080529U 一种节能环保型漂白机 An energy-saving environmentally friendly bleaching machine |
| 01/07/2015 | CN204080528U 转移工艺液体的布置 Transfer arrangement process liquid |
| 01/07/2015 | CN104262606A 聚苯乙烯苯酚聚氧烷基类聚合物及其制备方法和应用 Polystyrene phenol polyoxyalkylene polymers and their preparation method and application |
| 01/06/2015 | US8927248 Modification of xylanases to increase thermophilicity, thermostability and alkalophilicity |
| 01/06/2015 | US8926795 Method for using washer press with multiple nips and multiple displacement wash zones |
| 12/31/2014 | CN103526629B 一种高湿强度废纸的制浆工艺 A high wet strength paper pulping process of |
| 12/31/2014 | CN102899951B 一种化学机械浆清洁漂白的方法 A chemical mechanical pulp bleaching cleaning method |
| 12/30/2014 | US8920603 Bleaching of pulp |
| 12/24/2014 | CN104246064A 在回用纤维工艺中自动地测定粘性物的方法 The method of automatically measuring goo in recycled fiber processes |
| 12/24/2014 | CN104233893A 一种清洁化高效纸浆清洗工艺 A clean and efficient pulp of the cleaning process |
| 12/23/2014 | US8916024 Method and system for producing market pulp and products thereof |
| 12/18/2014 | US20140371442 Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same |
| 12/18/2014 | US20140371172 Process for the production of nano-fibrillar cellulose suspensions |
| 12/17/2014 | CN104221101A 用磁性纳米粒子修饰的纤维素纳米纤丝 Magnetic nanoparticles modified cellulose nanofibrillar |
| 12/17/2014 | CN104213458A 本色竹纤维浆及其制备方法和作为烟草添加剂的应用 Qualities of bamboo fiber pulp and preparation method and application as tobacco additives |
| 12/17/2014 | CN104213450A 一种办公室混合废纸的脱墨处理方法 One kind of mixed office waste paper deinking treatment |
| 12/17/2014 | CN104213447A 一种活化表面基团的甘蔗渣预处理方法 A surface groups bagasse pretreatment activation |
| 12/17/2014 | CN102926269B 一种制备高白度精制棉的方法 A method for preparing high whiteness of refined cotton |
| 12/17/2014 | CN102817267B 一种利用研磨预处理提高氧化镁在p-rcapmp生产中使用效果的方法 A pretreatment to improve the polishing effect of magnesium oxide used in the production method of p-rcapmp |
| 12/16/2014 | US8911591 Method for providing a nanocellulose involving modifying cellulose fibers |
| 12/10/2014 | CN104204345A 加工原纤维纤维素的方法、系统和设备以及原纤维纤维素材料 The method of processing cellulose fibrils, systems and equipment as well as fibrils cellulosic material |
| 12/10/2014 | CN104204344A 玻璃板衬纸用木材纸浆以及玻璃板用衬纸 Glass liner with wood pulp and glass with backing |
| 12/10/2014 | CN104195859A 一种生物酶辅助二氧化氯漂白蔗渣浆的方法 A biological enzyme assisted bagasse pulp chlorine dioxide bleaching method |
| 12/10/2014 | CN104195858A 用于对蒸煮后棉短绒进行洗浆的装置 After cooking for linter pulp washing device carried |
| 12/10/2014 | CN102782212B 脱水压榨机 Dewatering press |
| 12/10/2014 | CN102733251B 一种氧化香蕉茎杆纤维的造纸方法 A method of papermaking fibers oxidized banana stems |
| 12/09/2014 | US8906199 Process for bleaching pulp |
| 12/09/2014 | US8906198 Method for production of micro fibrillated cellulose |
| 12/02/2014 | US8900408 Process for production of bleached pulp |
| 11/27/2014 | US20140350144 Biocomposite material |
| 11/18/2014 | US8889611 Bleach catalyst compounds, method for the production thereof and use thereof |
| 11/18/2014 | US8888958 Pressure diffuser with an annular baffle screen plate over water inlet |
| 11/11/2014 | US8884002 Viscosity control in compositions comprising plant fiber materials |
| 11/11/2014 | US8882925 Method for scale removal during a lignocellulosic conversion process |
| 11/04/2014 | US8877472 Electron beam irradiation processing of biomass and saccharification thereof |
| 10/30/2014 | US20140318725 Low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same |
| 10/30/2014 | US20140318723 Method for using washer press with multiple nips and multiple displacement wash zones |
| 10/28/2014 | US8871701 Emulsions for removal and prevention of deposits |
| 10/28/2014 | US8871057 Process for the production of nano-fibrillar cellulose suspensions |
| 10/28/2014 | US8871056 Process for the production of nano-fibrillar cellulose gels |
| 10/28/2014 | US8871054 Process for preparing fluff pulp sheet with cationic dye and debonder surfactant |
| 10/21/2014 | US8865435 Enzymes useful for peracid production |
| 10/21/2014 | US8864942 Process for producing bleached pulp |
| 10/21/2014 | US8864940 Fruit fiber article and manufacturing thereof |
| 10/21/2014 | US8864939 Manufacturing feedstock from fruit by-product processing |
| 10/16/2014 | US20140305603 Process for making pulp |
| 10/07/2014 | US8853478 Method for the integrated production of cellulose and low-molecular-weight reusable materials |
| 10/07/2014 | US8852468 Phosphonate-substituted lignin as a flame retardant |
| 10/02/2014 | WO2014153654A1 Cellulose films with at least one hydrophobic or less hydrophilic surface |
| 10/02/2014 | US20140290882 Multi-stage catalytic carboxylation of mercerized cellulose fibers |
| 10/02/2014 | US20140290881 Method for reducing negative effects of adhesive contaminants in systems of subtances comprising waste paper |
| 09/30/2014 | US8845860 High brightness pulps from lignin rich waste papers |
| 09/30/2014 | US8845757 Treated cellulosic fibers and absorbent articles made from them |
| 09/29/2014 | CA2845998A1 Multi-stage catalytic carboxylation of mercerized cellulose fibers |
| 09/25/2014 | WO2014149302A1 Processes and compositions for brightness improvement in paper production |
| 09/25/2014 | WO2014147293A1 Method for producing nano- and microfibrillated cellulose |
| 09/25/2014 | US20140284008 Modified cellulose from chemical kraft fiber and methods of making and using the same |