| Patents for D21C 3 - Pulping cellulose-containing materials (5,020) |
|---|
| 08/18/2011 | WO2011069868A3 Defoaming compositions |
| 08/17/2011 | CN102154926A Method for improving whiteness of paper |
| 08/17/2011 | CN102154925A Production method of anti-myopia paper |
| 08/17/2011 | CN102154907A Bamboo pulping method |
| 08/17/2011 | CN102154906A Paper pulp prepared from maize straw, preparation method thereof and paper product prepared from paper pulp |
| 08/17/2011 | CN102154905A Method for non-pollution papermaking by banana tree stalks |
| 08/17/2011 | CN102154899A Base paper of sandpaper and production method thereof |
| 08/17/2011 | CN102154887A Method for producing high-whiteness bleached ramulus mori pulp by caustic soda-anthraquinone continuous stewing technology |
| 08/17/2011 | CN102154882A Bleaching method of phloem pulp |
| 08/17/2011 | CN102154874A Replacement cooking pulping method |
| 08/17/2011 | CN102154873A Method for cooking grass raw materials at two stages with soda anthraquinone by adding black liquor |
| 08/17/2011 | CN102154872A Process method for cooking phloem |
| 08/17/2011 | CN102154871A Method for pulping without producing strongly alkaline high-pollution black liquor |
| 08/17/2011 | CN102154870A Method for preparing high-polymer pulp |
| 08/17/2011 | CN102154869A Cooking aid for preparing chemical fiber pulp |
| 08/17/2011 | CN102153599A Method for comprehensively utilizing canna edulis ker stalks |
| 08/17/2011 | CN101575816B Method for microbial solid degumming of bast fiber by solar temperature raising and maintaining |
| 08/17/2011 | CN101575815B Method for solid degumming of broussonetia papyrifera bast fiber |
| 08/17/2011 | CN101538814B Solid waste paper pulp and manufacturing method thereof |
| 08/16/2011 | US7998310 Method for impregnating chips |
| 08/11/2011 | WO2011096857A1 Continuous digester with improved heating circulation |
| 08/11/2011 | US20110192560 Process of producing xylose and dissolving pulp |
| 08/10/2011 | CN101792980B Mechanical pulping method for biological bacteria liquid |
| 08/04/2011 | US20110186251 Continuous tube reactor |
| 08/04/2011 | US20110186250 Continuous Digestion of Chip Blends Containing a Western Red Cedar Chip Furnish |
| 08/03/2011 | EP2350322A1 Process of producing xylose and dissolving pulp |
| 08/03/2011 | EP2350300A2 Process for the production of lipids from biomass |
| 08/03/2011 | CN101736427B Bamboo alpha-pulp for viscose and production method thereof |
| 08/02/2011 | US7988821 Process for the treatment of fibre material and new composition |
| 08/02/2011 | US7988788 Using circulating, continuously fed, inorganic acid as tool in digestion of lignocellulosic material |
| 08/01/2011 | CA2691460A1 Continuous digestion of chip blends containing a western red cedar chip furnish |
| 07/28/2011 | WO2011091044A1 Production of fermentable sugars and lignin from biomass using supercritical fluids |
| 07/28/2011 | CA2815597A1 Production of fermentable sugars and lignin from biomass using supercritical fluids |
| 07/28/2011 | CA2769746A1 Production of fermentable sugars and lignin from biomass using supercritical fluids |
| 07/27/2011 | CN101225614B Paper-making technique employing bio-fermentation pulping method instead of chemical pulping technique |
| 07/26/2011 | CA2597135C Continuous counter-current organosolv processing of lignocellulosic feedstocks |
| 07/21/2011 | WO2011063800A3 Method for producing lignocellulosic paper pulps and papers, cardboards, and paperboards obtained therefrom |
| 07/20/2011 | CN102127877A Production process of bamboo-dissolving pulp |
| 07/20/2011 | CN101768886B Hatchel falling bio-pulping technology |
| 07/20/2011 | CN101666053B Production method of chemi-mechanical pulp |
| 07/20/2011 | CN101429733B Bamboo wood dissolving pulp manufacturing process |
| 07/20/2011 | CN101158123B High-strength bamboo pulp manufacturing technique |
| 07/14/2011 | WO2011085038A1 Highly absorbent and retentive fiber material |
| 07/13/2011 | CN102121206A High-air-permeability paper pulp and preparation method and application thereof |
| 07/13/2011 | CN102121205A Wood and bamboo fiber mercerizing pulp and preparation method thereof |
| 07/13/2011 | CN102121201A Preparation method of bamboo dissolving pulp |
| 07/12/2011 | US7976675 Continuous digester system |
| 07/07/2011 | WO2011080399A1 Tall oil pitch composition, method of producing the same and uses thereof |
| 07/07/2011 | US20110165643 Separation of Lignin From Hydrolyzate |
| 07/07/2011 | CA2783201A1 Pre-treatment of cellulosic material |
| 07/06/2011 | CN102115994A Method for treating lignocellulose raw material |
| 07/06/2011 | CN101831820B Method for producing white pine and poplar chemical and mechanical paper pulp |
| 07/06/2011 | CN101698986B Method of preparating papermaking wood pulp at normal pressure by deoxidizing and leaching method |
| 07/06/2011 | CN101328692B Paper pulp fabrication process and system |
| 06/30/2011 | WO2011078775A1 Method and arrangement for improving a washing step after completed cooking in a continuous digester |
| 06/30/2011 | US20110155336 Method for Increasing the Concentration of Xylose in Lignocellulosic Hydrolysate |
| 06/30/2011 | US20110155335 Use of polysulfide in modified cooking |
| 06/29/2011 | CN102108646A Process for purifying dissolving pulp |
| 06/29/2011 | CN101701429B Method for improving yield and viscosity of gum wood pulp under condition of stewing mild sulfate |
| 06/29/2011 | CN101694075B Low energy consumption clean paper pulp extracting method and papermaking process thereof |
| 06/29/2011 | CN101581049B Method for degumming mulberry bast fiber by microbe |
| 06/23/2011 | WO2011073253A1 Method for producing furfural from lignocellulosic biomass material |
| 06/23/2011 | WO2011072718A1 Pulping process |
| 06/23/2011 | CA2783942A1 Method for producing furfural from lignocellulosic biomass material |
| 06/22/2011 | EP2336344A1 Pre-treatment of cellulosic material |
| 06/22/2011 | EP2336291A1 Method and apparatus for pretreating biomass using internal heat |
| 06/22/2011 | EP2336196A1 Treatment of lignocellulosic feed |
| 06/22/2011 | EP2336195A1 Process for Treatment of Lignocellulosic Biomass Material |
| 06/22/2011 | EP2336194A1 Process for the treatment of lignocellulosic feed |
| 06/22/2011 | EP2336193A1 Process for the Treatment of Lignocellulosic Biomass Material |
| 06/22/2011 | CN101736574B Composite tea saponin, preparation method thereof and use thereof |
| 06/22/2011 | CN101613968B Method for eliminating pollution of closed papermaking factory |
| 06/22/2011 | CN101532260B Method for pulping by cooking solid base in plant fiber |
| 06/22/2011 | CN101158122B Bamboo dissolved pulp manufacturing technique |
| 06/15/2011 | CN101781869B Drying process of super thick insulated pressboard |
| 06/15/2011 | CN101440380B Technological process for coproduction of ethanol, fibre and power generation by bamboo wood layered multi-stage conversion |
| 06/15/2011 | CN101381970B Method for co-producing paper pulp and fuel ethanol by wild grass on forest land |
| 06/09/2011 | DE102009047638A1 Entschäumerzusammensetzungen Defoamer |
| 06/08/2011 | CN201857550U Pulping system capable of reducing shutdown |
| 06/08/2011 | CN101736634B Process for deinking office waste paper |
| 06/08/2011 | CN101451326B Un-bleaching pulp prepared by ammonium sulfite steam cooking wheat straw raw material, preparation method and use thereof |
| 06/08/2011 | CN101440586B Paper-making method by mechanical fibration of maize straw |
| 06/03/2011 | WO2011066189A1 Method and system for thin chip digester cooking |
| 06/03/2011 | CA2778650A1 Method and system for thin chip digester cooking |
| 06/01/2011 | CN101692777B Plant fiber mulching film and manufacture method thereof |
| 05/26/2011 | US20110120663 Method and system for thin chip digester cooking |
| 05/25/2011 | EP2324153A1 A single vertical atmospheric vessel for steaming, slurrying, impregnating and digesting fibrous material |
| 05/25/2011 | CN102071586A Method for changing pencil sawdust into recycled paper |
| 05/18/2011 | EP1523594B1 A method and a digester for the continuous cooking of wood raw material to cellulose pulp |
| 05/18/2011 | CN102066581A Method for pretreating plant starting material for the production, from sacchariferous and lignocellulosic resources, of bioethanol and/or of sugar, and plant |
| 05/18/2011 | CN101725066B Process for pulping old corrugated carton by sulfite method |
| 05/18/2011 | CN101054777B Hardwood alkaline pulping processes and systems |
| 05/17/2011 | US7943814 Densified fibrous structures and methods for making same |
| 05/17/2011 | US7943009 Process of treating a lignocellulosic material with an alkali metal borate pre-extraction step |
| 05/12/2011 | US20110108223 Method For Vapor Phase Pulping With Alcohol and Sulfur Dioxide |
| 05/12/2011 | US20110108222 Effect of low dose xylanase on pulp in prebleach treatment process |
| 05/11/2011 | CN1936175B Pulping method using high active alkali method |
| 05/11/2011 | CN102051834A Cold blow process method for replacing heat in cooking process |
| 05/11/2011 | CN102051833A Preparation method of straw matter mechanical pulp |
| 05/11/2011 | CN101068977B Method and system for producing pulp |