| Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432) |
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| 06/12/2013 | CN102040709B Method for preparing bleaching bamboo pulp cellulose water absorbing material |
| 06/06/2013 | DE112011101400T5 Deinking-Vorrichtung und Verarbeitungsvorrichtung zum Recyceln von Altpapier Deinking apparatus and processing apparatus for recycling waste paper |
| 06/06/2013 | DE112010004740T5 Altpapierverarbeitungsvorrichtung Waste paper processing apparatus |
| 06/05/2013 | EP2598535A1 Method for production of cellulose nano crystals from cellulose-containing waste materials |
| 06/05/2013 | CN103132358A Treatment process of waste paper containing fluorescent dye |
| 06/05/2013 | CN103132357A Physical waste paper deinking technology |
| 06/05/2013 | CN103132356A Method for improving paper whiteness and application thereof in processing and reusing pulp fiber |
| 06/05/2013 | CN103131244A Waste paper deinking agent and preparation method thereof |
| 06/05/2013 | CN103131233A Ultraviolet screening agent and preparation method and application thereof |
| 06/05/2013 | CN103131018A Comprehensive utilization process of lignocellulose biomass |
| 06/05/2013 | CN102277763B Neutral deinking agent for waste newspaper and waste book and periodical paper, preparation method of neutral deinking agent and deinking method |
| 06/05/2013 | CN102260386B Ecological composite material and preparation method thereof |
| 06/05/2013 | CN102230288B Straw bio-enzyme degradation aid and degradation pulping process |
| 06/05/2013 | CN102153703B Preparation method of cellulose-based high-water-absorption high-water-retention resin |
| 06/05/2013 | CN101235095B Method for completely dissolving lignocellulose biomass, device and application thereof |
| 05/29/2013 | EP2596166A1 Marine plants processing method for the production of pulp for the production of paper |
| 05/29/2013 | CN103124792A A process for the conversion of biomass of plant origen, and a combustion process |
| 05/29/2013 | CN103124744A Method for production of cellulose nano crystals from cellulose-containing waste material |
| 05/29/2013 | CN103122594A Production method of dissolving pulp |
| 05/23/2013 | US20130125877 Method and apparatus of hydrolytic saccharification of cellulosic biomass |
| 05/22/2013 | CN103114483A Novel production technology of wood fiber |
| 05/22/2013 | CN103114482A Preparation method for dissolving pulp of monterey pine of needlebush |
| 05/16/2013 | US20130118697 Process for recycling waste paper, product obtained therefrom and its uses |
| 05/15/2013 | EP2592185A1 Silica composition |
| 05/15/2013 | CN103109014A Process for producing modified cellulose pulps, cellulose pulp thus obtained and use of biopolymer for producing cellulose pulps |
| 05/15/2013 | CN103103847A Method for preparing cellulose nanocrystals by combining biological enzymolysis and mechanical shearing |
| 05/15/2013 | CN103103846A Technology for extracting lignin from biomass raw material |
| 05/15/2013 | CN103103845A Technologies for extracting cellulose from biomass raw material and preparing biochar |
| 05/15/2013 | CN103103842A Pulping method for waste Renminbi |
| 05/15/2013 | CN102277782B Nano TiO2 compounded system and application thereof in drainage and retention of waste paper deinking pulp |
| 05/08/2013 | EP2588493A1 Polypeptide having swollenin activity and uses thereof |
| 05/08/2013 | CN103088688A Clean wastepaper deinking production method |
| 05/08/2013 | CN103088685A Enzymolysis pretreatment method for hemp type crops serving as biological energy raw materials |
| 05/08/2013 | CN103087204A Micro-powder cellulose preparation method |
| 05/01/2013 | CN103074794A Method for preparing cellulose nanoparticles from waste cotton wool |
| 05/01/2013 | CN103074269A Composite flora for biological preparation of cellulose additive, and applications thereof |
| 05/01/2013 | CN103074266A Composite flora for biological preparation of cellulose additive, and applications thereof |
| 05/01/2013 | CN103074264A Composite flora and pulping method by using biological bacterial liquid of composite flora |
| 05/01/2013 | CN103074263A Composite flora and pulping method by using biological bacterial liquid of composite flora |
| 05/01/2013 | CN103074262A Composite flora and application of the same in additive cellulose preparation |
| 05/01/2013 | CN103074261A Composite flora and pulping method by using biological bacterial liquid of composite flora |
| 05/01/2013 | CN103074260A Composite flora and application of the same in additive cellulose preparation |
| 05/01/2013 | CN103074258A Composite flora and application of the same in biological bacterial liquid pulping process |
| 05/01/2013 | CN103074257A Composite flora and pulping method by using biological bacterial liquid of composite flora |
| 05/01/2013 | CN103074256A Composite flora and additive cellulose preparation method by using the same |
| 05/01/2013 | CN103074255A Composite flora and application of the same in biological bacterial liquid pulping process |
| 05/01/2013 | CN103074254A Composite flora and application of the same in additive cellulose preparation |
| 05/01/2013 | CN103074253A Composite flora and additive cellulose preparation method by using the same |
| 05/01/2013 | CN103074252A Composite flora and application of the same in additive cellulose preparation |
| 05/01/2013 | CN103074251A Composite flora and additive cellulose preparation method by using the same |
| 05/01/2013 | CN103074250A Composite flora and pulping method by using biological bacterial liquid of composite flora |
| 05/01/2013 | CN103074249A Composite flora and application of the same in biological bacterial liquid pulping process |
| 05/01/2013 | CN103074225A Composite flora for biological preparation of cellulose additive, and applications thereof |
| 05/01/2013 | CN103074223A Composite flora for biological preparation of cellulose additive, and applications thereof |
| 05/01/2013 | CN103074222A Composite flora for biological preparation of cellulose additive, and applications thereof |
| 05/01/2013 | CN103074219A Composite flora and additive cellulose preparation method by using the same |
| 05/01/2013 | CN103074218A Composite flora and additive cellulose preparation method by using the same |
| 05/01/2013 | CN103074217A Composite flora and application of the same in biological bacterial liquid pulping process |
| 05/01/2013 | CN101935955B Method for pretreating biomass raw materials |
| 04/24/2013 | CN103061206A Application of composition of sulfamic acid or salts thereof and ammonium salt and/or amine or other biocides containing halogens in papermaking field |
| 04/24/2013 | CN103061201A Method for manufacturing paper |
| 04/24/2013 | CN103061184A Method of controlling secondary gummy substances by using lipase |
| 04/24/2013 | CN103061183A Pulping process of waste paper deinking pulp for furnishing high-grade printing paper |
| 04/24/2013 | CN103061182A Enzymatic clean production method of straw spinning pulp |
| 04/24/2013 | CN103061181A Complex enzyme preparation and technique for preparing dissolving pulp by using same |
| 04/24/2013 | CN103061180A Preparation method of Reed pulp used for viscose staple fiber |
| 04/24/2013 | CN103060290A Alkaline xylanase, its coding gene and application |
| 04/24/2013 | CN103059095A Green extraction technology for comprehensive and efficient utilization of Dioscorea zingiberensis resource |
| 04/24/2013 | CN102261008B Method for extracting natural fibre from herbaceous plants |
| 04/24/2013 | CN101679965B Endoglucanase ppce and cellulase preparation containing the same |
| 04/10/2013 | CN202860702U Floatation ink removing device |
| 04/10/2013 | CN103038415A Process for reclying waste paper, product obtained therefrom and its uses |
| 04/10/2013 | CN103031297A Composite enzyme for grinding of bleached pulp and application process of composite enzyme |
| 04/10/2013 | CN103030815A Comprehensive utilization technology of biomass raw materials |
| 04/10/2013 | CN102154869B Cooking aid for preparing chemical fiber pulp |
| 04/10/2013 | CN102146143B Method for preparing pectin and cellulose from extracting residues of ginseng and American ginseng and application thereof |
| 04/04/2013 | WO2013045782A1 Enzymatic pretreatment of wood in a method for producing mechanical paper pulp |
| 04/04/2013 | WO2013004377A3 Compositions comprising cellobiose dehydrogenase from pycnoporus cinnabarinus and their use for the degradation of lignocellulosic biomass |
| 04/04/2013 | DE102012107854A1 Method for dissolution of fiber material, such as waste paper, in pulper, involves preheating of dissolving water by heating pump, where heat is transferred from process water to dissolving water |
| 04/04/2013 | DE102012107852A1 Method for process temperature control in old paper treatment process in paper machine, involves extracting heat from dilution water over heat pump before addition to fiber suspension for heating filtrate or water for chemical preparation |
| 04/04/2013 | CA2844380A1 Enzymatic pretreatment of wood in a method for producing mechanical paper pulp |
| 04/03/2013 | CN103015244A Method for quickly extracting cellulose from xylitol production waste |
| 04/03/2013 | CN101967764B High-whiteness cotton pulp product for banknote paper and production method thereof |
| 03/28/2013 | WO2013041207A1 Device and method for hydrothermally pulping dried, lignified lignocellulosic biomass |
| 03/27/2013 | CN202830623U Treatment system for paper pulp tailings and waste white paper |
| 03/27/2013 | CN102995477A Method for preparing microcrystalline cellulose taking xylose residue as raw material |
| 03/27/2013 | CN102995474A Wood fiber used for towels |
| 03/27/2013 | CN102174759B Extraction and utilization method of fine fibers during corn starch processing |
| 03/21/2013 | WO2012134626A3 Processes for enzymatic refining of pretreated cellulosic material for saccharification |
| 03/20/2013 | EP2569480A1 Process for reclying waste paper, product obtained therefrom and its uses |
| 03/20/2013 | CN102978986A Method for preparing paper pulp by using biological enzyme |
| 03/20/2013 | CN102978985A Process method for producing paper pulp through intermittent replacement cooking |
| 03/14/2013 | CA2847879A1 Improving properties of paper materials |
| 03/13/2013 | EP2567024A1 Fibrous composition for paper and card production |
| 03/13/2013 | CN202786924U Printing ink removing equipment for waste paper pulp |
| 03/13/2013 | CN102971460A Control of enzymes in the production of pulp |
| 03/13/2013 | CN102965384A Novel lipase gene, lipase production strain and application |
| 03/12/2013 | CA2494398C Grooved pyramid disperger plate |
| 03/05/2013 | CA2659180C Trichoderma reesei swollenin protein and encoding dna sequences |
| 02/28/2013 | WO2013026578A1 Method for increasing the advantages of strength aids in the production of paper and paperboard |