| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 06/13/2007 | CN1978784A Papermaking pulping process using kangnaifu environmental protection plant as raw material |
| 06/12/2007 | US7229526 Method and apparatus for the feeding of fibers |
| 06/12/2007 | US7229525 Methods to enhance pulp bleaching and delignification |
| 06/07/2007 | WO2007064287A1 Process of producing high-yield pulp |
| 06/07/2007 | WO2007063171A1 Process for producing chemi-mechanical pulp |
| 06/07/2007 | US20070125507 Process of producing high-yield pulp |
| 06/07/2007 | CA2631767A1 Process for producing chemi-mechanical pulp |
| 06/07/2007 | CA2631545A1 Process of producing high-yield pulp |
| 06/06/2007 | EP1792006A1 Process and device to manufacture cellulose pulp |
| 06/06/2007 | CN1974922A Method for producing chemical fiber pomace with fiber as raw material |
| 06/06/2007 | CN1974921A Method for producing bamboo pomace |
| 06/06/2007 | CN1974920A Automatic steam control system of defibrator |
| 06/06/2007 | CN1320204C Middle high density hydraulic pulper |
| 06/05/2007 | CA2350988C Upgrading of tmp to an sc/lwc quality |
| 05/31/2007 | US20070119556 Chemical activation and refining of southern pine kraft fibers |
| 05/30/2007 | EP1789623A1 Method and apparatus for removing sheets of fibres from banana plants for the production of paper products |
| 05/30/2007 | CN1972740A A method, an apparatus and a rotor for homogenizing a medium |
| 05/30/2007 | CN1970884A Paper decomposition device |
| 05/30/2007 | CN1318698C Laminated photocatalysis paper and producing process and device, paper-tape and producing tecnology and product |
| 05/30/2007 | CN1318144C A method and a device for measuring stress forces in refiners |
| 05/24/2007 | WO2007056839A1 Manufacturing process for high performance lignocellulosic fibre composite materials |
| 05/24/2007 | US20070113994 Apparatus for use in recycling paper material |
| 05/24/2007 | CA2638174A1 Manufacturing process for high performance lignocellulosic fibre composite materials |
| 05/18/2007 | WO2006122538A3 Pulper for recycling a batch and method for extracting fibers from a mixture containing fibers |
| 05/18/2007 | CA2527325A1 Manufacturing process for high performance lignocellulosic fibre composite materials |
| 05/16/2007 | CN1315575C A refining surface for a refiner for defibering material containing lignocellulose |
| 05/10/2007 | WO2007052760A1 Apparatus for treating papermaking feedstock |
| 05/09/2007 | EP1782893A2 Sorting of wood chips |
| 05/09/2007 | EP1368530B1 Grinding element and grinder stone |
| 05/09/2007 | CN2898092Y Disk heat disperser |
| 05/03/2007 | US20070095491 Arundo donax pulp, paper products, and particle board |
| 05/02/2007 | CN1313195C Method and apparatus for treating black liquor of paper pulp factory |
| 04/25/2007 | CN2892935Y Plant fiber separating machine |
| 04/25/2007 | CN1954108A Pulp crushing apparatus |
| 04/25/2007 | CN1312353C New process for lipase waste paper deinking |
| 04/18/2007 | EP1775376A2 Method and device for obtaining wood fibers from wood chips |
| 04/18/2007 | CN1311132C Process for making special type paper by utilizing fowl feather |
| 04/18/2007 | CN1311131C Method of manufacturing pulp using sunflower seed skin |
| 04/17/2007 | US7204437 Waste pulping system |
| 04/17/2007 | CA2436818C Roller screen and method for sorting materials by size |
| 04/11/2007 | EP1772554A1 Device for treating fibrous materials |
| 04/11/2007 | EP1629276B1 Determination of contaminant particles in an aqueous pulp |
| 04/11/2007 | EP1492926B1 Improved molded fiber manufacturing |
| 04/11/2007 | EP1358020B1 Apparatus and method to separate elements or materials of different sizes |
| 04/11/2007 | EP1339912B1 Method of recycling bonded fibrous materials and synthetic fibers and fiber-like materials produced thereof |
| 04/10/2007 | US7201825 Process for making a flowable and meterable densified fiber particle |
| 04/04/2007 | EP1768770A1 Method for mixing, device for the same and use thereof |
| 04/04/2007 | EP1458499B1 Screen |
| 04/04/2007 | CN1942625A Use of a particulate material derived from mammalian hair in the preparation of paper or paperboard products |
| 04/04/2007 | CN1308083C Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment |
| 04/03/2007 | US7198211 Waste pulping system |
| 03/29/2007 | WO2005062892A3 Device and methodology for improved mixing of liquids and solids |
| 03/29/2007 | US20070068641 Strap and Methods for Making and Using Such |
| 03/28/2007 | EP1767689A2 Used paper recycling apparatus and its constituent devices |
| 03/28/2007 | CN1936173A Used paper recycling apparatus and its constituent devices |
| 03/22/2007 | US20070065397 Material having deodorizing function and process for production thereof |
| 03/22/2007 | US20070062663 Used paper recycling apparatus and its constituent devices |
| 03/22/2007 | CA2558954A1 Used paper recycling apparatus and its constituent devices |
| 03/21/2007 | CN1932148A Aryl fibre paper with aryl fibre choped stand as raw material and producing method thereof |
| 03/21/2007 | CN1932144A Method for separating semifiber and fiber frame plant stalks |
| 03/21/2007 | CN1932143A Helical rotor for high density hydraulic pulper |
| 03/21/2007 | CN1306111C Use of thinnings and other low specific gravity wood for lyocell pulps method |
| 03/20/2007 | CA2297235C Wood chips analyser |
| 03/15/2007 | WO2007014161A3 Cotton fiber particulate and method of manufacture |
| 03/15/2007 | US20070056702 Arundo donax pulp, paper products and particle board |
| 03/14/2007 | CN1928220A Process for making pulp with white paper mulberry |
| 03/14/2007 | CN1928219A Process for preparing straw fiber |
| 03/08/2007 | US20070051481 Modified kraft fibers |
| 03/07/2007 | EP1594597A4 Improved pulper rotor and assembly |
| 03/07/2007 | EP1368529B1 Grinding segment and grinder stone |
| 03/07/2007 | CN2876146Y Cotton stalk crusher |
| 03/07/2007 | CN1924186A Continuous high density hydraulic pulper |
| 03/07/2007 | CN1302837C Method and appts. enabling fluid mixed with freely-flowing medium |
| 02/28/2007 | EP1755774A1 A method, an apparatus and a rotor for homogenizing a medium |
| 02/28/2007 | CN1920169A Method for making pulp with smooth cord-grass as raw materials by boiling with sodium anthraquinone |
| 02/28/2007 | CN1920168A Method of preparing pulp by anaerobic fermenting Spartina alterniflora and cooking soda, anthraquinone and fermented Spartina alterniflora |
| 02/21/2007 | CN2871603Y Varia separator used for papermaking material |
| 02/21/2007 | CN1916272A Method for blowing up pretreated APMP pulp by using bamboo as raw material |
| 02/15/2007 | DE102005036075A1 Verfahren zur Herstellung von Tissuepapier A process for the production of tissue paper |
| 02/14/2007 | CN1912237A Pulp production technology processed by ZYB5 anaerobic white rot decomposition combine machine |
| 02/14/2007 | CN1912236A Pulp production technology processed by LYH9 brown rot decomposition combine machine |
| 02/14/2007 | CN1912235A Pulp production process technology combined of biolysis (FYR6 soft rot) and mechanical process |
| 02/14/2007 | CN1912234A Pulp production process technology of biolysis (HYH7 black rot) combined with mechanical process |
| 02/13/2007 | CA2301027C Plant for producing and treating wood fibres |
| 02/13/2007 | CA2275636C Arrangement in a pulp grinder |
| 02/07/2007 | CN1908295A Method for removing ink in pulping process using wastepaper as raw material |
| 02/07/2007 | CN1908294A Method for removing adhesive in pulping process using wastepaper as raw material |
| 02/06/2007 | US7172148 Grooved pyramid disperger plate |
| 01/31/2007 | EP1747070A1 Machine for the classification, sieving and separation of non-homogeneous masses of materials |
| 01/31/2007 | CN2863853Y Plant fiber rolling mill |
| 01/31/2007 | CN2863407Y Cutter head horizontally-inclined dual-purpose chipper for secondary cutting fine-slice and rough-slice |
| 01/31/2007 | CN1297707C Method for one-step separation of wood-grass fiber |
| 01/30/2007 | US7169263 Coarse dirt collector for removing coarse material from a pulper and corresponding method |
| 01/30/2007 | US7169258 Papermaking, cardboard |
| 01/30/2007 | US7169021 Arrangement for treating pulpstone surface |
| 01/25/2007 | CA2831082A1 Method and apparatus for conversion of cellulosic material to ethanol |
| 01/24/2007 | EP1746201A1 Used paper processing apparatus |
| 01/24/2007 | EP1746200A1 Office paper recycling apparatus and process |
| 01/24/2007 | CN1900417A Pulping process for kenaf alkaline hydrogen peroxide mechanical pulping |
| 01/24/2007 | CN1900416A Used paper processing apparatus |