| Patents for D21C 3 - Pulping cellulose-containing materials (5,020) |
|---|
| 02/12/2014 | CN102444047B Method for preparing high-viscosity bagasse pulp by using oxygen and alkali cooking and ozone bleaching |
| 02/12/2014 | CN102245830B Method for producing fibrous semifinished product from cellulose-containing materials and line for implementing same |
| 02/11/2014 | US8647469 Method, system and withdrawal screen section for impregnating chips |
| 02/06/2014 | WO2014019589A1 Methods of processing lignocellulosic biomass using single-stage autohydrolysis and enzymatic hydrolysis with c5 bypass and post-hydrolysis. |
| 02/05/2014 | CN103556518A Sugarcane-leaf and/or sugarcane-tip processed product as well as preparation method and application thereof |
| 02/05/2014 | CN103556517A Method for improving oxygen-alkali pulping effect through laccase pretreatment |
| 02/05/2014 | CN103556516A Preparation method of lignocellulose for titanium white |
| 02/05/2014 | CN103554276A Technological process for extracting starch, cellulose and general flavone in root of kudzu vine by use of organic membrane |
| 02/05/2014 | CN103554274A Preparation method of bagasse pith oxidized cellulose |
| 02/05/2014 | CN102535238B Method for degrading rice straws by using oxalic acid and Mn2+ for accelerating catalysis of compound enzyme |
| 02/04/2014 | US8641869 Method for making biodegradable superabsorbent particles |
| 02/04/2014 | CA2529228C A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein |
| 01/23/2014 | US20140024093 Process for the production of digested biomass useful for chemicals and biofuels |
| 01/22/2014 | EP2686478A1 Vapor phase hydrolysis vessel and methods related thereto |
| 01/22/2014 | CN103534407A Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester |
| 01/22/2014 | CN103534406A Method and arrangement for adding treatment liquors to cellulose material in a down flow vessel |
| 01/22/2014 | CN103526624A Method for preparing microcrystalline cellulose and reaction equipment of microcrystalline cellulose |
| 01/22/2014 | CN103526623A Method for improving soda-oxygen pulping process effect through xylanase pretreatment |
| 01/22/2014 | CN102337687B Novel pulping process for obtaining high performance fiber at high yield from plants |
| 01/16/2014 | WO2013177487A3 Method of producing pulp using oxalic acid |
| 01/15/2014 | CN103518017A Method for producing cellulose-containing mass for producing composite material |
| 01/15/2014 | CN103510418A New process for black liquor free chemical preparation of pulp |
| 01/15/2014 | CN102517968B Method for preparing dissolving pulp used for viscose fiber by using mulberry twig stem core |
| 01/09/2014 | WO2013171248A3 Method for treating and separating mixed cellulose-plastic products |
| 01/09/2014 | WO2013162422A3 Method for obtaining cellulose and a solution of low-molecular-weight oxidation products from biomass (embodiments) |
| 01/08/2014 | CN103498381A Pineapple fiber pulp and preparation method thereof |
| 01/08/2014 | CN103498375A Method for pulping by broussonetia papyrifera white-bark |
| 01/07/2014 | US8623175 Process for the conversion of lignocellulosic solutions containing a high proportion of dry material |
| 01/06/2014 | CA2819540A1 Vapor relief screen cleaning brush |
| 01/03/2014 | WO2014004867A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a distributed slurry catalyst |
| 01/03/2014 | WO2014004859A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a slurry catalyst and a digestible filter aid |
| 01/03/2014 | WO2014004842A1 Biomass conversion systems providing integrated stabilization of a hydrolysate using a slurry catalyst and methods for use thereof |
| 01/03/2014 | WO2014000420A1 Chemical pulping method |
| 01/03/2014 | CA2877756A1 Chemical pulping method |
| 01/03/2014 | CA2877508A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a distributed slurry catalyst |
| 01/03/2014 | CA2877497A1 Biomass conversion systems providing integrated stabilization of a hydrolysate using a slurry catalyst and methods for use thereof |
| 01/03/2014 | CA2877489A1 Methods for hydrothermal digestion of cellulosic biomass solids in the presence of a slurry catalyst and a digestible filter aid |
| 12/25/2013 | EP2142348B1 Method for the production of bleached wood particles and wood materials ranging from light-toned to white |
| 12/25/2013 | CN102174765B Technological process for making Lian-si paper by using moso bamboo |
| 12/19/2013 | WO2013188401A1 Process for producing energy from lignin |
| 12/18/2013 | EP2454409B1 High temperature lignin separation process |
| 12/18/2013 | CN103451986A Method for preprocessing lignocellulose raw materials for biorefinery |
| 12/17/2013 | US8609379 Process for the production of alcohols from biomass |
| 12/12/2013 | WO2013184605A1 Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling |
| 12/12/2013 | CA2875663A1 Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling |
| 12/11/2013 | EP2672005A1 High Yield and Enhanced Performance Fiber |
| 12/11/2013 | EP2672004A1 High Yield and Enhanced Performance Fiber |
| 12/11/2013 | CN102191715B Preparation method for achnatherum splendens pulp |
| 12/10/2013 | US8603295 Separation of reactive cellulose from lignocellulosic biomass with high lignin content |
| 12/05/2013 | WO2013178608A1 New process and a dissolving pulp manufactured by the process |
| 12/05/2013 | CA2874901A1 New process and dissolving pulp manufactured by the process |
| 12/04/2013 | CN103429813A Vapor phase hydrolysis vessel and methods related thereto |
| 12/04/2013 | CN103422380A Needlebush high-yield slurrying method |
| 12/04/2013 | CN102016165B Feeding system comprising parallel pumps for a continuous digester |
| 11/27/2013 | CN103410036A Production method for high-yield hardwood pulp |
| 11/27/2013 | CN102363927B Clepulp preparation process for high-whiteness and high-strength chemical straw pulp |
| 11/27/2013 | CN101880981B Method for making pulp |
| 11/26/2013 | US8591982 Highly refined fiber mass, process of their manufacture and products containing the fibers |
| 11/26/2013 | US8591702 Increasing alkaline pulping yield for softwood with metal ions |
| 11/21/2013 | WO2013173576A1 Methods and systems for processing biomass material |
| 11/21/2013 | US20130310489 Process for providing and processing natural fibres |
| 11/21/2013 | US20130306256 High Yield and Enhanced Performance Fiber |
| 11/20/2013 | EP2212469B1 Process for defibering a fibrous raw-material |
| 11/20/2013 | CN103396572A Lignocellulose nano-fiber/acrylic resin composite film preparation method |
| 11/20/2013 | CN103396571A Cellulose nano-fiber/polymethyl methacrylate composite film preparation method |
| 11/20/2013 | CN101790611B A process for separating biomass components |
| 11/20/2013 | CN101674733B Method of preparing more digestible animal feed |
| 11/19/2013 | US8586349 Moving droplet diagnostic assay |
| 11/19/2013 | US8585863 Separation of lignin from hydrolyzate |
| 11/19/2013 | CA2607827C Chlorine dioxide treatment compositions and processes |
| 11/13/2013 | CN203281079U Vacuum degasifier |
| 11/13/2013 | CN103388273A Method for preparing nanometer hydrophobic paper by utilizing corrugated paper/nanometer titanium dioxide |
| 11/07/2013 | WO2013165968A1 Processes for producing animal feed from biomass |
| 11/07/2013 | US20130296545 Process for producing a pulp |
| 11/07/2013 | US20130292070 Procedure for obtaining nanofibrillated cellulose from recovered paper |
| 11/06/2013 | CN103382671A Clean pulping technology for high-polymerization-degree bamboo pulp |
| 11/06/2013 | CN101535561B Method and composition for improving fiber quality and process efficiency in mechanical pulping |
| 10/31/2013 | WO2013041674A3 Process for processing a lignocellulosic material by dilute acid pretreatment |
| 10/30/2013 | EP2655731A1 A method of controlling a pulping process in a feed-forward manner |
| 10/30/2013 | CN103374861A Production process of environmental-friendly healthful household paper |
| 10/30/2013 | CN102392377B Electrocatalysis oxidation pulping method for purified cotton and production system equipment |
| 10/24/2013 | WO2013158384A1 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 |
| 10/24/2013 | US20130276999 Fruit fiber processing system and method |
| 10/23/2013 | EP2652193A2 Treatment |
| 10/23/2013 | CN103370469A Treatment method |
| 10/23/2013 | CN103362021A Plant-modified fibril and preparation technology thereof |
| 10/23/2013 | CN103362009A Rapid-growth poplar sodium hydroxide anthraquinone pulp biochemical method TCF bleaching process |
| 10/17/2013 | WO2013153203A1 Pretreatment of lignocellulosic biomass and recovery of substituents using natural deep eutectic solvents/compound mixtures with low transition temperatures |
| 10/16/2013 | CN103352385A Energy-saving and environment-friendly displacement cooking process for wood and bamboo raw materials |
| 10/16/2013 | CN102337689B Stewing method for preparing bamboo wood dissolving pulp |
| 10/16/2013 | CN102337684B Vapor pre-hydrolysis technique for material slice of bamboo wood dissolving pulp |
| 10/16/2013 | CN102154872B Process method for cooking phloem |
| 10/15/2013 | CA2769746C Production of fermentable sugars and lignin from biomass using supercritical fluids |
| 10/15/2013 | CA2650913C Method and apparatus for conveying a cellulosic feedstock |
| 10/09/2013 | CN103343469A Cellulose ether super-multi-chain-link purified cotton producing technology |
| 10/03/2013 | WO2013144446A1 A method and a system for isolating xylan from plant material, as well as xylan, calcium carbonate, and cellulose fibre |
| 10/03/2013 | WO2013143047A1 Preparation process of eucalyptus dissolving pulp |
| 10/02/2013 | EP2643517A2 Continuously fed biomass pretreatment process for a packed bed reactor |
| 10/02/2013 | CN102493244B Auxiliaries-added replacement cooking process of bamboo materials |
| 10/01/2013 | US8545673 Process for recovering molybdate or tungstate from aqueous solutions |