| Patents for D21C 3 - Pulping cellulose-containing materials (5,020) |
|---|
| 12/13/2007 | WO2007140838A2 Lignocellulosic fibrous material made of wood |
| 12/13/2007 | WO2007140837A2 Method for producing fibrous material |
| 12/13/2007 | US20070284068 Methods for carbonate pretreatment and pulping of cellulosic material |
| 12/13/2007 | DE102006027006A1 Producing fibrous material comprises producing a chemical solution, mixing the chemical solution with wood and/or annual plant; heating the chemical solution and pulping and then separating the woods and the chemical solution |
| 12/13/2007 | DE102006027005A1 Lignocellulosischer Faserstoff aus Holz Lignocellulosic pulp from wood |
| 12/13/2007 | CA2634380A1 Process for producing fibrous material from wood |
| 12/13/2007 | CA2634378A1 Method for producing fibrous material |
| 12/13/2007 | CA2634202A1 Wood-based lignocellulosic fibrous material |
| 12/12/2007 | CN101086150A Gluing-free middle and high-density fiber board preparation method |
| 12/11/2007 | US7306698 Method for producing pulp |
| 12/06/2007 | US20070277947 Process for manufacturing pulp, paper and paperboard products |
| 12/05/2007 | CN101082189A Method for extruding black liquor from high-hardness plasm obtained by boiling grass plant raw material |
| 12/05/2007 | CN101082187A Oxygen delignify treating method for grass group unbleached chemical pulp |
| 12/04/2007 | CA2338363C Method for precipitating hemicellulose onto fibres for improved yield and beatability |
| 11/29/2007 | US20070272377 Fully Closed, Zero Discharge, Clean Oxidizing Pulping Technology and Process |
| 11/29/2007 | CA2651483A1 Methods for carbonate pretreatment and pulping of cellulosic material |
| 11/28/2007 | EP1859253A1 Method for determining chemical pulp kappa number with visible-near infrared spectrometry |
| 11/28/2007 | CN101078185A Application of sodium peroxide mixing solution containing sodium ozonide in preparing paper pulp |
| 11/27/2007 | US7300542 Effective amount of selected phosphonates or phosphonate blends is admixed with black liquor composition recovered from digester in chemical pulping process; suited for Kraft pulping process |
| 11/27/2007 | CA2165426C Multi-component bleaching system |
| 11/15/2007 | WO2007129921A1 Process for the production of biofuel from plant materials |
| 11/15/2007 | WO2007128027A1 Method for producing cellulose |
| 11/15/2007 | WO2007128024A1 Method for producing a type of pulp |
| 11/15/2007 | WO2006083605A3 High quality and long natural cellulose fibers from rice straw and method of producing rice straw fibers |
| 11/15/2007 | CA2651628A1 Process for the production of biofuel from plant materials |
| 11/14/2007 | CN101070684A Method for making paper-pulp by cold immersion for paper-making |
| 11/13/2007 | US7294228 Biopulp for non-woody fiber plants and biopulping method thereof |
| 11/13/2007 | CA2331089C Process for producing pulp with a mixture of formic acid and acetic acid as cooking chemical |
| 11/08/2007 | US20070256801 Alkaline Process and System for Producing Pulp |
| 11/07/2007 | CN101068977A Alkaline process and system for producing pulp |
| 11/07/2007 | CN101067286A Method for producing paper pulp for papermaking |
| 11/07/2007 | CN101067285A Wood pomace modified producing technology |
| 11/06/2007 | US7291244 Pulp flaker |
| 10/31/2007 | EP1848854A1 Method for altering the tack of materials |
| 10/31/2007 | CN101063278A Method for hybrid giant napier producing in oxygen free radical doffing/bleaching integrated reactor with dried bananas stalk |
| 10/31/2007 | CN101063277A Processing technique for sectional type preparing sitallization cellulose with high-temperature high pressure |
| 10/31/2007 | CN101063276A Method for hybrid giant napier producing in oxygen free radical doffing/bleaching integrated reactor with albefaction paper stuff |
| 10/31/2007 | CN101063275A Process for preparation of rice paper burning-grass pulp |
| 10/31/2007 | CN101063122A Cellulose digesting enzyme gene and utilization of the gene |
| 10/25/2007 | WO2007071387A3 Plant fibre, fibre-based moulded body, and method for producing plant fibres provided with novolak |
| 10/24/2007 | EP1846614A1 Method for controlling a pulping process |
| 10/24/2007 | CN101058958A Method of preparing high-strength corrugated paper |
| 10/24/2007 | CN101058953A Method of preparing bleaching dissolved pulp from corn stem |
| 10/24/2007 | CN101058951A Method of producing fir chemical pulp |
| 10/23/2007 | US7285184 acidification of cellulose; hemicellulose coatings; high strength, dustless |
| 10/23/2007 | US7285179 Cooking; reducing wood to liquid ratios; multistage; adjusting alakli concentration; extraction cycles |
| 10/17/2007 | CN101054777A Hardwood alkaline pulping processes and systems |
| 10/17/2007 | CN100343427C Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same |
| 10/16/2007 | US7282115 Method for mitigating the interference caused by high-molecular weight-by-products in pulping processes |
| 10/16/2007 | US7282114 Method for processing pulp |
| 10/16/2007 | CA2417793C Process for digesting woodchips and digester additives |
| 10/13/2007 | CA2581993A1 Hardwood alkaline pulping processes and systems |
| 10/10/2007 | CN100342077C Manufacturing method of soluble bamboo pulp |
| 10/09/2007 | US7279070 Method for the continuous cooking of wood raw material for cellulose pulp |
| 10/04/2007 | US20070227681 Apparatus for decreasing scaling in digester systems |
| 10/04/2007 | US20070227679 Pulp Crushing Apparatus |
| 10/03/2007 | CN101046072A Pre-treatment process for producing bleached slurry with cotton stalk material |
| 10/03/2007 | CN100340715C New process for producing alkaline hydrogen peroxide mechanical pulp by double scrwe extruding method |
| 09/27/2007 | WO2007107055A1 Degradable sanitary napkin and liner |
| 09/26/2007 | EP1836181A1 Method and devices for the continuous processing of renewable raw materials |
| 09/25/2007 | CA2430389C Improved kraft pulp yield by heat treatment of polysulphide liquors generated by oxidation |
| 09/20/2007 | US20070215300 Solvents For Use In The Treatment Of Lignin-Containing Materials |
| 09/19/2007 | CN101037849A Method for paper-making pulping with CMP method |
| 09/19/2007 | CN101037848A Method for paper-making pulping with sulammonium process |
| 09/19/2007 | CN101037847A Process for paper-making pulping with NaOH-AQ method |
| 09/18/2007 | US7270725 Pretreatment of chips with white liquor prior to a treatment with black liquor |
| 09/18/2007 | CA2414522C Method for preparing pulp from cornstalk |
| 09/13/2007 | WO2007102638A1 Method for producing xylose from bamboos |
| 09/05/2007 | CN101029459A Technology for producing ligin by crop straw refuse |
| 09/04/2007 | US7264690 Catalyzer for clean pulping and process for using the same |
| 08/30/2007 | US20070199669 Natural Cellulosic Fiber Bundles from Cellulosic Sources and a Method for Making the Same |
| 08/30/2007 | US20070199668 Treatment of cellulose during bleaching with agent capable of reducing carbonyl groups |
| 08/29/2007 | CN101024924A Method for producing unbleached sulfurate Larix gemelini slurry |
| 08/29/2007 | CN100334298C Cotton rod caustic soda anthraquinone method boiling liquor for papermaking |
| 08/23/2007 | US20070193706 manufacturing corrugated medium for cardboard box or carton; cooking in first liquor in the absence of an alkali addition; mechanically fiberizing to form a pulp; separating hydrolyzate from the pulp; treating the pulp with a second liquor including an alkali; blending with recycled fibers; refining pulp |
| 08/22/2007 | EP1820897A1 Method of manufacturing pulp and articles made therefrom |
| 08/22/2007 | CN101021050A Process of cow dung paper pulp with cow dung as material |
| 08/22/2007 | CN101021049A Cow dung paper pulp produced with cow dung as material |
| 08/16/2007 | US20070187053 Cellulose pulp; pressurization, heating in fluid filled zone |
| 08/16/2007 | US20070187052 Method for impregnating chips in a continuous digestion system |
| 08/15/2007 | EP1818445A2 A method for impregnating chips in a continuous digestion system |
| 08/15/2007 | CN101016704A Method of preparing pulp by deinking ONP/OMG mixed wastepaper blended with paper making white water |
| 08/15/2007 | CN101016702A Chemical mechanical pulping method for cotton haulm raw material |
| 08/08/2007 | CN101012628A Production technology of thermomechanical bamboo pulp |
| 08/07/2007 | US7252739 Method for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web |
| 08/07/2007 | CA2320334C A pulping composition and process using aminoalkoxylsilanes |
| 08/01/2007 | CN101008160A Method for producing paper pulp utilizing herbal plant, crop stalk and ore powder |
| 07/25/2007 | CN101003562A Technique for extracting yam saponin, amylocellulose, and yellow pigment by separating yam |
| 07/24/2007 | US7247587 Prepreg having a matrix resin and a saturable resin nonwoven impregnated with a fluoropolymer floc, a wettable structural organic floc, and a binder; used as liner substrate for self-lubricating bearings, as a sealant, in filters, and as a dielectric and in papermaking |
| 07/11/2007 | CN2921075Y Reactor for making grass pulp |
| 07/11/2007 | CN1997791A Method for mechanical pulp production |
| 07/11/2007 | CN1325723C Wood method for pulping using cotton stalk, bush or brush |
| 07/10/2007 | US7241363 Methods to decrease scaling in digester systems |
| 07/05/2007 | US20070151691 Method for converting a digester for use as a gas phase and hydraulic phase continuous digester |
| 07/05/2007 | US20070151683 Process for preparing mechanical pulp |
| 07/04/2007 | CN1324191C Highly pare lignin, hihg efficiency fiber separating technology |
| 06/28/2007 | WO2007073312A1 Method for controlling a process for the production of short-fibred cellulose pulp |
| 06/28/2007 | WO2007071187A1 A method for making paper pulp by reacting hydrogen peroxide and alkali substance |
| 06/28/2007 | US20070144692 Methods for preparing alkali cellulose and cellulose ether |
| 06/28/2007 | CA2632124A1 Method for controlling a process for the production of short-fibred cellulose pulp |