| Patents for D21C 3 - Pulping cellulose-containing materials (5,020) |
|---|
| 05/08/2013 | EP2588664A1 Organosolv process |
| 05/08/2013 | CN103097437A Process for fractionation of biomass |
| 05/08/2013 | CN103088693A Bamboo fiber paper and its making method |
| 05/08/2013 | CN103088692A Method for selectively separating lignin and cellulose from lignocellulose biomasses |
| 05/08/2013 | CN103088687A Pulp production process |
| 05/08/2013 | CN103088686A Technology for preparing paper pulp and coproducing biochar from lignocellulose biomass |
| 05/02/2013 | US20130105097 Method of processing chemical pulp |
| 05/01/2013 | EP2585524A2 Method of dissolving lignocellulosic materials |
| 05/01/2013 | CN103074793A Displacement cooking method |
| 05/01/2013 | CN103074792A Bamboo cooking additive and preparation process thereof |
| 05/01/2013 | CN103074791A Non-wood fiber raw material cooking auxiliary agent and preparation process thereof |
| 05/01/2013 | CN103074790A Comprehensive utilization process of biomass raw material |
| 05/01/2013 | CN103074789A Heat treatment preparation method of leave paper |
| 05/01/2013 | CN103074788A Subzero treatment preparation method of leave paper |
| 04/30/2013 | CA2741602C Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material |
| 04/30/2013 | CA2741598C Biomass hydrothermal decomposition apparatus, temperature control method thereof, and organic raw material production system using biomass material |
| 04/25/2013 | US20130102984 Modified Kraft Fibers |
| 04/25/2013 | US20130098571 Chemical activation and refining of southern pine kraft fibers |
| 04/24/2013 | CN103068998A Method for dilute acid pretreatment of l1gnocellulosic feedstocks |
| 04/24/2013 | CN103061198A Cotton stalk pulping device and application method thereof |
| 04/24/2013 | CN103061179A Comprehensive utilization process for lignocellulose biomass |
| 04/24/2013 | CN103061178A Technology for pulping and papermaking through anthraquinone process and by utilizing masson pine sulfate |
| 04/24/2013 | CN102251423B Continuous displacement and digestion process for dissolving pulp |
| 04/24/2013 | CN102182086B Method for preparing bamboo pulp by full-liquid-phase prehydrolysis sulfate displacement cooking process |
| 04/24/2013 | CN101760988B Mixed pulp material and cultural paper prepared from the same |
| 04/18/2013 | US20130092336 Modified kraft fibers |
| 04/17/2013 | EP2580389A1 Method of manufacturing pulp for corrugated medium |
| 04/17/2013 | EP2580245A1 Process for fractionation of biomass |
| 04/17/2013 | CN202881758U Cotton linter pulping system |
| 04/17/2013 | CN103046426A Pulping method of semi-chemical pulp made from reed |
| 04/17/2013 | CN103046425A Pulping method of semi-chemical pulp prepared from masson pine |
| 04/17/2013 | CN102363928B Clean pulp preparation process using reaction of KOH and H2O2 |
| 04/17/2013 | CN102220719B Corncob bark pulp for chemical fiber and preparation method thereof |
| 04/10/2013 | CN103031770A Method for preparing nanocellulose whisker by utilizing abandoned mulberry bark |
| 04/10/2013 | CN103031764A Method for preparing paper pulp with raw biomass material and co-producing biochar |
| 04/10/2013 | CN103031763A Comprehensive utilization technology of biomass raw materials |
| 04/10/2013 | CN103031762A Method for preparing material rich in cellulose in degradable ionic liquid solvent |
| 04/10/2013 | CN103031761A Preparation method of cationic wollastonite mineral fiber slurry for papermaking |
| 04/10/2013 | CN102337690B Pulping method for stewing bamboo material by using aluminum salt and retaining silicon at same time |
| 04/10/2013 | CN102154869B Cooking aid for preparing chemical fiber pulp |
| 04/10/2013 | CN102011334B Method for pulping and making paper by using eucalyptus bark |
| 04/09/2013 | CA2745466C Increasing alkaline pulping yield for softwood with metal ions |
| 04/09/2013 | CA2690571C High yield and enhanced performance fiber |
| 04/04/2013 | WO2013049222A1 Cellulose fibrillation |
| 04/04/2013 | WO2013044347A1 Method for preparing nonwood fiber paper |
| 04/04/2013 | US20130081769 Method of manufacturing pulp for corrugated medium |
| 04/03/2013 | CN103015253A Method for producing cotton pulp used for cellulose triacetate by two-step stewing technology |
| 04/03/2013 | CN103015243A Process for extracting cellulose from biomass raw material and preparing bio-carbon |
| 04/02/2013 | US8409403 Production of amino lignin and amino lignin cellulose resins and adhesives |
| 03/28/2013 | WO2013041207A1 Device and method for hydrothermally pulping dried, lignified lignocellulosic biomass |
| 03/28/2013 | US20130078695 Pretreatment Method for Producing Water-Soluble Sugars From Lignocellulosic Material |
| 03/28/2013 | CA2848338A1 Process for processing a lignocellulosic material |
| 03/27/2013 | EP2573259A1 Pretreatment method for producing water-soluble sugars from lignocellulosic material |
| 03/27/2013 | CN103003487A Method and system for high alpha dissolving pulp production |
| 03/27/2013 | CN102995476A Bamboo wood dissolving pulp replacement and boiling method |
| 03/27/2013 | CN102995475A Extraction method of bagasse cellulose |
| 03/27/2013 | CN101451324B Pulp and black liquor prepared by grass type raw material, preparation method and use thereof |
| 03/26/2013 | US8404355 Methods and systems for processing lignocellulosic materials and related compositions |
| 03/21/2013 | US20130071900 Process for processing a lignocellulosic material |
| 03/20/2013 | CN102985610A Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse |
| 03/20/2013 | CN102978993A Bamboo fiber dissolving pulp and production technology thereof |
| 03/20/2013 | CN102978986A Method for preparing paper pulp by using biological enzyme |
| 03/20/2013 | CN102978984A Preparation method of surface-modified ball-milling refined plant fibers |
| 03/20/2013 | CN102337688B Mixed pulp used for producing viscose fiber and its production process |
| 03/20/2013 | CN102182089B Short fiber food waste residue-based nano cellulose and preparation method thereof |
| 03/14/2013 | WO2013000074A9 Catalytic biomass conversion |
| 03/14/2013 | US20130062027 Method for preparing nonionic water-soluble cellulose ether |
| 03/13/2013 | EP2567023A1 Method and system for high alpha dissolving pulp production |
| 03/13/2013 | EP2567022A1 Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse |
| 03/13/2013 | EP2566595A1 Biomasses for the production of alternative petrochemical feedstock |
| 03/13/2013 | EP2173941B1 A single step process for separating biomass components |
| 03/13/2013 | CN102162199B Method for extracting lignin from raw grass |
| 03/07/2013 | WO2013033405A1 Articles of manufacture made from pulp composition |
| 03/07/2013 | WO2013033386A1 Pulping processes |
| 03/07/2013 | WO2013032377A1 Kraft cooking method using polysulfide cooking liquor |
| 03/07/2013 | US20130061354 Polypeptide having cellobiohydrolase activity and uses thereof |
| 03/07/2013 | CA2846861A1 Articles of manufacture made from pulp composition |
| 03/07/2013 | CA2846640A1 Pulping processes |
| 03/06/2013 | EP2563491A1 Antifoam compositions |
| 03/06/2013 | CN102953287A Preparation method for rape stem paper pulp |
| 02/27/2013 | CN102943403A Wood pulp denaturalization production process for producing viscose fibers |
| 02/13/2013 | CN102926269A Preparation method of high-whiteness refined cotton |
| 02/13/2013 | CN102926266A Method for producing dissolving pulp by adopting wheat straw pulp as raw material |
| 02/13/2013 | CN102926254A Pulping auxiliary added in normal-pressure low-temperature clean pulping process |
| 02/13/2013 | CN102926253A Method for pulping through needlebush pre-conditioning refiner chemical alkaline peroxide mechanical pulp (P-RC APMP) |
| 02/13/2013 | CN102926252A Method for APMP (Alkaline Peroxide Mechanical Pulp) pulping of needlebush |
| 02/13/2013 | CN101675191B Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators |
| 02/12/2013 | CA2592887C Method for controlling a pulping process |
| 02/06/2013 | EP2553165A2 Methods to reduce metals content of bleached pulp while reducing bleaching cost in a chemical pulping process |
| 02/06/2013 | CN102912667A Method for producing dissolving pulp by using poplar slabs |
| 02/06/2013 | CN102230285B Pulping system and pulping method for environment-friendly mechanical pulp and chemical mechanical pulp of non-woody crops |
| 02/05/2013 | US8366877 Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes |
| 01/31/2013 | US20130025807 Process for production of oxidised cellulose pulp |
| 01/30/2013 | CN102906331A Process for fibrillating lignocellulosic material, fibres and their use |
| 01/30/2013 | CN101680165B A single step process for separating biomass components |
| 01/30/2013 | CN101160431B Method for separating the main components of lignocellulosic materials |
| 01/24/2013 | WO2012147094A8 Method and system for extraction of black liquor from a horizontal tube continuous digester |
| 01/23/2013 | EP2547823A2 Process for producing modified cellulose pulps, cellulose pulp thus obtained and use of biopolymer for producing cellulose pulps |
| 01/23/2013 | CN102888773A Technique for preparing bamboo pulp by cooking to two-grade full-liquid-phase sulphate |
| 01/23/2013 | CN102888772A Method for preparing bamboo pulp by replacing cooking sulfate with steaming sulfate |