| Patents for D21C 3 - Pulping cellulose-containing materials (5,020) |
|---|
| 09/20/2012 | US20120237989 Separation of lignin from hydrolyzate |
| 09/20/2012 | US20120234511 Vapor phase hydrolysis vessel and methods related thereto |
| 09/19/2012 | EP2500466A1 Method and process for the pretreatment of lignocellulosic biomass |
| 09/19/2012 | CN102677509A Material preparation process for preparing dissolving pulp by modifying bleached needle leave wood and broadleaf wood composite pulp |
| 09/19/2012 | CN102677508A Cooking process for carrying out composite modification on natural color bamboo paper pulp and natural color wood pulp to form dissolving pulp |
| 09/19/2012 | CN102677507A Cooking process for carrying out composite modification on natural color bamboo paper pulp and cotton paper pulp to form dissolving pulp |
| 09/19/2012 | CN102677506A Cooking process for carrying out composite modification on bleached bamboo paper pulp and natural color wood pulp to form dissolving pulp |
| 09/19/2012 | CN102677505A Steaming process for modifying bleaching bamboo paper pulp and bleaching wood paper pulp into dissolving pulp in compound way |
| 09/19/2012 | CN102677504A Manufacturing process of antibacterial bamboo pulp used for high-wet-modulus fibre |
| 09/18/2012 | US8268126 Method, equipment and applications for fast complete dissolution and hydrolysis of lignocellulosic biomass |
| 09/18/2012 | US8268125 Method for vapor phase pulping with alcohol and sulfur dioxide |
| 09/18/2012 | US8268124 Method for production of pulp |
| 09/18/2012 | US8268122 Process of producing high-yield pulp |
| 09/18/2012 | US8268121 Delignification of biomass containing lignin and production of amino lignin aldehyde resins and carbohydrates |
| 09/12/2012 | CN102666974A Method and system for thin chip digester cooking |
| 09/12/2012 | CN102666865A Pre-treatment of cellulosic material |
| 09/12/2012 | CN102660882A Method for producing cellulose and fuel ethanol by dissolving plant straw with solvent |
| 09/12/2012 | CN102660881A Method for efficiently separating lignin |
| 09/11/2012 | US8262854 Method for recovering hydrolysis products |
| 09/11/2012 | US8262853 Methods for pretreatment and processing of biomass |
| 09/07/2012 | WO2012059643A3 Method for fractionating of lignocellulosic material and novel ionic liquids therefor |
| 09/05/2012 | CN102154870B Method for preparing high-polymer pulp |
| 08/30/2012 | US20120216971 Method and arrangement for adding treatment liquors to cellulose raw material in a continuous process using down flow vessels |
| 08/29/2012 | CN102154907B Bamboo pulping method |
| 08/29/2012 | CN102115994B Method for treating lignocellulose raw material |
| 08/23/2012 | WO2012110231A1 Integrated process for the selective fractionation and separation of lignocellulose in its main components |
| 08/23/2012 | WO2012080702A3 Treatment |
| 08/23/2012 | WO2012047832A3 Process for the production of alcohols from biomass |
| 08/23/2012 | US20120211183 Method and apparatus to produce pulp using pre-hydrolysis and kraft cooking |
| 08/22/2012 | EP2489780A1 Integrated process for the selective fractionation and separation of lignocellulose in its main components |
| 08/22/2012 | EP2027330B1 Integrated Processing of Plant Biomass |
| 08/22/2012 | CN102644212A Preparation method of industrial hemp full stalk pulp |
| 08/22/2012 | CN102644211A Preparation method of industrial hemp full stalk bleaching chemical pulp |
| 08/21/2012 | US8247641 Absorbent products and methods of preparation thereof |
| 08/15/2012 | EP2212468B1 Use of polysulfide in modified cooking |
| 08/15/2012 | EP1546450B1 Method of deresinating pulp using alkyl alcohol alkoxylate surfactants |
| 08/15/2012 | CN102635008A Technique for producing dissolving pulp from whole cotton stalks |
| 08/15/2012 | CN102154906B Paper pulp prepared from maize straw, preparation method thereof and paper product prepared from paper pulp |
| 08/08/2012 | CN101760975B Circulation process for performing ammonium sulfite pulping by using sulfur-containing flue gas absorber |
| 08/02/2012 | WO2012102650A1 Continuous digester with a bottom scraper equipped with draining apertures |
| 08/02/2012 | US20120193047 Methods for reducing chlorine dioxide associated corrosion |
| 08/01/2012 | CN102619141A Manufacturing method of phenolic fiber paper |
| 08/01/2012 | CN102619126A High-purity sulfate pulp, as well as production method and application thereof |
| 08/01/2012 | CN102619125A Sulfate paper pulp for producing three-filtration paper and production method for sulfate paper pulp |
| 08/01/2012 | CN102619124A Insulating pulp and production method thereof |
| 07/26/2012 | US20120186762 Producing half-stuffs for the manufacture of papery articles |
| 07/25/2012 | EP2479341A1 Process for the production of biofuel from plant material |
| 07/25/2012 | CN102605661A Cooking auxiliary agent for pulping by sulphate process |
| 07/25/2012 | CN102603504A Method for producing aromatic aldehyde by degrading lignin separated and coupled from cellulose component |
| 07/25/2012 | CN102127877B Production process of bamboo-dissolving pulp |
| 07/25/2012 | CN101823002B Alkali-hydrogen peroxide method-based cooking catalyst and clean pulping process |
| 07/24/2012 | CA2713837C Methods for reducing enzyme consumption in second generation bioethanol fermentation in the presence of lignin |
| 07/18/2012 | CN102587181A Environment-friendly clean pulping process |
| 07/18/2012 | CN102587180A Alkyl sulfonate cooking auxiliary agent |
| 07/18/2012 | CN102587179A Preparation process for eucalyptus dissolving pulp |
| 07/18/2012 | CN102586918A Preparation method of taxus chinensis viscose fibers |
| 07/18/2012 | CN102121201B Preparation method of bamboo dissolving pulp |
| 07/18/2012 | CN102021859B Paper-making pulping method by using kenaf aggregate |
| 07/18/2012 | CN101619546B Method for refining thermomechanical pulp |
| 07/18/2012 | CN101451322B Grass type un-bleaching pulp, preparation method and use thereof |
| 07/17/2012 | CA2508087C Method and system for feeding cellulose chips to a high pressure continuous cooking system |
| 07/11/2012 | CN102575422A High temperature lignin separation process |
| 07/11/2012 | CN102561095A Degradable straw fiber |
| 07/11/2012 | CN102561092A Anti-rust base paper and production method thereof |
| 07/11/2012 | CN102561081A Purification method for hydroxyethyl cation cellulose |
| 07/11/2012 | CN102561080A Improved P-RC APMP (preconditioning-refining chemical alkaline peroxide mechanical pulp) new flow path |
| 07/11/2012 | CN102561079A Sulfate pulping method for compressed bamboo chips |
| 07/11/2012 | CN102108646B Process for purifying dissolving pulp |
| 07/11/2012 | CN101586314B Mechanical method for making pulp by extruding sunflower stems |
| 07/10/2012 | US8216423 Multi-stage AP mechanical pulping with refiner blow line treatment |
| 07/10/2012 | CA2510952C Cooking aid for improving the removal of extractives in pulp production, its production and use |
| 07/05/2012 | US20120168102 Pulping process for quality protection including methods for hemicellulose extraction and treatment of hemicellulose-extracted lignocellulosic materials |
| 07/04/2012 | CN102535239A Refined cotton and production method thereof |
| 07/04/2012 | CN102535238A Method for degrading rice straws by using oxalic acid and Mn2+ for accelerating catalysis of compound enzyme |
| 07/04/2012 | CN102535237A Sulfate pulping method of broadleaf wood compressed wood chip |
| 07/04/2012 | CN102535224A Method for preparing cellulose by using straws |
| 07/04/2012 | CN102535223A Method for preparing and grading contrapuntal aramid pulp |
| 07/04/2012 | CN102321992B Agent for recycling straws by using biologically cold fermentation method and process for producing plant fibers by using straws with biologically cold fermentation method |
| 07/04/2012 | CN102037182B Feeding system comprising parallel pumps for a continuous digester |
| 07/04/2012 | CN102037181B Feeding system comprising pumps in parallel for a continuous digester |
| 07/04/2012 | CN101899794B Green process for extracting fibers from plants |
| 07/04/2012 | CN101806008B Pulping process for obtaining non-fibrous matters in dry mode without generating water |
| 07/04/2012 | CN101760986B Mixed pulp with high bulk, air permeability and tear index and cultural paper made thereof |
| 07/04/2012 | CN101748633B Novel cellulose extraction process |
| 06/28/2012 | WO2012088451A2 Torque control for open circuit piston pump |
| 06/28/2012 | WO2012087228A1 A method of controlling a pulping process in a feed-forward manner |
| 06/28/2012 | WO2012085476A1 Process for delignification and bleaching of paper pulp using activated hydrogen peroxide |
| 06/27/2012 | CN102517972A Grape branch pulp |
| 06/27/2012 | CN102517971A Preparation method for mixed pulp of wheat straw and reed |
| 06/27/2012 | CN102517968A Method for preparing dissolving pulp used for viscose fiber by using mulberry twig stem core |
| 06/27/2012 | CN102517967A Preparation method for taxus chinensis fibre pulp |
| 06/27/2012 | CN102517944A Method for producing paper pulp through biodegrading lignin by white rot fungi |
| 06/27/2012 | CN102517943A Cole stalk pulp |
| 06/27/2012 | CN101638865B Natural color copy paper and preparation method thereof |
| 06/27/2012 | CN101638863B Natural color food wrapper and preparation method thereof |
| 06/27/2012 | CN101451323B Un-bleaching pulp prepared by alkaline steam cooking wheat straw raw material, preparation method and use thereof |
| 06/21/2012 | US20120156748 Process for treatment of a lignocellulosic material |
| 06/21/2012 | US20120156742 Process to produce biofuels from biomass |
| 06/21/2012 | CA2821403A1 Treatment |
| 06/20/2012 | CN102505545A Low-carbon clean pulping process |