| Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805) |
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| 12/05/2001 | CN1324967A Coconut husk fiber paper pulp making process |
| 11/29/2001 | WO2001089730A2 Method for processing waste and waste processing plant |
| 11/29/2001 | WO2001089702A2 Method and system for utilising waste |
| 11/29/2001 | US20010045264 Process and a fluffer device for treatment of a fiber stock suspension |
| 11/29/2001 | DE10033805A1 Verfahren zur Behandlung einer Faserstoffsuspension und Fluffer zur Durchführung des Verfahrens A process for treating a fibrous suspension and for performing the method Fluffer |
| 11/29/2001 | CA2409607A1 Method for processing waste and waste processing plant |
| 11/29/2001 | CA2409543A1 Method and system for utilising waste |
| 11/28/2001 | EP1158088A2 Process and device for treating a fibrous suspension |
| 11/27/2001 | US6322664 Method of processing recycled waste paper by separating fibers of different colors |
| 11/27/2001 | CA2114779C Apparatus for supplying steam into a silo |
| 11/27/2001 | CA2114778C Apparatus for steaming a material in a silo |
| 11/26/2001 | CA2348815A1 A process and a fluffer device for treatment of a fiber stock suspension |
| 11/22/2001 | US20010042605 Mechanically fiberizing paper broke (waste scrap) from paper towel, napkin, and/or tissue to reduce the broke into discreet fibers; produce paper webs having high porosity, opacity and brightness |
| 11/21/2001 | CN1323366A Semi alkaline steam explosion treatment of fibrous material for the production of cellulose pulp |
| 11/15/2001 | CA2347543A1 Method of producing fuel cell separator, fuel cell separator, and polymer elctrolyte fuel cell |
| 11/14/2001 | EP1152833A1 Method and production plant for the manufacture of fibrous material |
| 11/08/2001 | WO2001083886A1 A process for controlling microbial growth |
| 11/08/2001 | US20010037866 Process for dispersing a fibrous paper stock and device for performing the process |
| 11/08/2001 | CA2407898A1 A process for controlling microbial growth |
| 11/07/2001 | CN1320740A Vertical fibre-contg. material coarse disintegrating device and its edge structure |
| 11/01/2001 | WO2000066465A9 Paper sorting system |
| 10/24/2001 | EP1147805A1 Process to disperse a paper fibers slurry and plant for using the process |
| 10/23/2001 | US6306248 Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock |
| 10/18/2001 | WO2001076757A2 Apparatus and method for separating corrugated paper |
| 10/18/2001 | US20010030030 Water pollution control |
| 10/18/2001 | DE10108518A1 Apparatus for dispersion of high consistency used paper materials has coaxial rotor and stator tooth structure with concentric rows of teeth forming channels set to give consistent flow with flow braking |
| 10/18/2001 | DE10018262A1 Verfahren zur Dispergierung eines Papierfaserstoffes sowie Anlage zur Durchführung des Verfahrens Process for dispersing a pulp and paper plant for carrying out the method |
| 10/17/2001 | EP1146168A2 Device for dispersing high consistency pulp |
| 10/17/2001 | CN1072985C Method for removing impurities for pulverized or chipped material |
| 10/16/2001 | US6302342 Reduction and defibering machinery and methods for the paper and pulp industry. |
| 10/13/2001 | CA2344103A1 Process for dispersing a fibrous paper stock and device for performing the process |
| 10/11/2001 | WO2001021512A3 Sorting device for particles of differing sizes |
| 10/10/2001 | CN1316566A Method and device for inflation dispersing |
| 10/09/2001 | US6299726 This stock of paper nuggets is advantageous for being composed of cohesive entities which can be manipulated on a construction site or sold to the public in bags, for use in backyard projects. |
| 10/09/2001 | US6299084 Feeding device for fibrous material |
| 10/04/2001 | WO2001073194A1 Pulper for producing paper pulp from waste paper |
| 10/04/2001 | WO2001073193A1 Method and device for the production of a recycled paper mixture |
| 10/04/2001 | US20010025808 Process and device for aerating dispersions |
| 10/04/2001 | US20010025693 Flotation of pulp suspension in de-inking; injection of air; mixing air and pulp suspension; feeding into subsequent cell and repeating; waste paper treatment; recycling |
| 10/04/2001 | EP1138820A1 Process for the removal of fine particle-shaped impurities from waste paper pulp |
| 10/04/2001 | EP1137841A1 A sanitary paper product made by modifying coarse fibers and process thereof |
| 10/04/2001 | DE10015355A1 Removal of fine- and micro-sticky particles from suspensions of waste paper fibers, combines fine fractionation screening with froth flotation |
| 10/04/2001 | DE10014872A1 Processing mixed waste paper, includes re-comminution of air-classified heavy fraction and air classification to heavy- and light fraction containing de-inking material |
| 10/02/2001 | US6296736 Process for modifying pulp from recycled newspapers |
| 09/27/2001 | WO2001010885A3 Birch bark processing and the isolation of natural products from birch bark |
| 09/27/2001 | US20010023749 Method for processing straw pulp |
| 09/27/2001 | DE10010596A1 Pulper for processing a suspension of used paper materials has a divider to give a primary and secondary chamber with openings for reduced material to pass into the secondary chamber and the rotor |
| 09/20/2001 | WO2001068974A1 Refiner force sensor |
| 09/20/2001 | WO2001068260A1 Refining element for a refining disc |
| 09/20/2001 | WO2001068228A1 Method and apparatus of mixing fibers |
| 09/20/2001 | DE10010751A1 Vorrichtung zum Abtrennen von Störstoffen aus faserhaltigem Gut Device for separating impurities from fibrous Good |
| 09/20/2001 | DE10010354A1 Shredded used printed paper for recycling is sorted in an air screening assembly into light and heavy fractions to improve the whiteness of the paper for deinking |
| 09/19/2001 | EP0711368B1 Recycle processing of baled waste material |
| 09/18/2001 | US6290811 Recycling of old corrugated container (occ), by separating from the occ fines and ink with a flotation treatment to prepare a separated occ; and subjecting separated occ to kneading treatment |
| 09/13/2001 | WO2001066853A1 Apparatus and method for treating milling products |
| 09/13/2001 | WO2001066852A1 Method and device for adjusting the whiteness degree of a bulk material consisting of comminuted paper fractions |
| 09/13/2001 | US20010020522 Chemically treating pulp precursor selected from wood chips or wood fibre to develop wood fibre of precursor while maintaining fibre integrity, and refining the chemically treated pulp precursor at high refining intensity |
| 09/12/2001 | EP0726880B1 Deinking of recycled pulp |
| 09/12/2001 | CN1070958C Kneader for paper pulp preparation |
| 09/11/2001 | US6286655 Inclined conveyor |
| 09/05/2001 | EP1130156A2 Process for separating impurities from fibrous material |
| 09/05/2001 | EP1129254A4 Method of papermaking having zero liquid discharge |
| 09/05/2001 | EP1129254A1 Method of papermaking having zero liquid discharge |
| 09/05/2001 | CN2446151Y Grass tearing machine |
| 09/05/2001 | CN1311836A Method and device for sorting paper mixtures |
| 09/04/2001 | US6284094 Method for recycling bale of recycling paper |
| 09/04/2001 | US6283300 Feed distribution for low velocity air density separation |
| 08/30/2001 | WO2001063041A1 Waste paper and fiber processing methods and apparatus |
| 08/29/2001 | CN1310260A Method and equipment for air inflation dispersion |
| 08/28/2001 | US6279749 Process and apparatus for removing solids from an aqueous paper fiber suspension |
| 08/23/2001 | US20010015389 Loosening and pulverizing the fibrous paper material into fine, friable fibrous material, guiding the fine, friable fibrous material into vapor chamber containing gaseous heating mixture, calefies and disperse the fines and frible |
| 08/22/2001 | CN1309738A NITs separator |
| 08/21/2001 | US6277239 Dissolution, pre-purification, wet straining, and flotation, while sorting the fibrous suspension into ?accepts? and ?rejects? portions |
| 08/16/2001 | WO2001058676A1 Screw press |
| 08/16/2001 | EP1124001A2 Method and device for aerating dispersions |
| 08/16/2001 | EP1124000A2 Method and device for aerating dispersions |
| 08/09/2001 | WO2001057311A2 Papermaking process and paper made therefrom |
| 08/09/2001 | US20010011505 Screw press |
| 08/08/2001 | CN2441843Y Feeder of straw hot mill |
| 08/08/2001 | CN2441842Y Straw hot mill |
| 08/08/2001 | CA2298235A1 Screw press |
| 08/03/2001 | CA2333797A1 Process and device for aerating dispersions |
| 08/03/2001 | CA2333440A1 Process and device for aerating dispersions |
| 08/02/2001 | US20010010294 Process and flotation device for the removal of intereering materials from an aqueous fiber pulp suspension |
| 08/01/2001 | EP1119646A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 08/01/2001 | EP1119645A1 Process and apparatus for recovering metal material from waste material |
| 07/31/2001 | US6267847 Pulper for a stock preparation system |
| 07/31/2001 | US6267841 Low energy thermomechanical pulping process using an enzyme treatment between refining zones |
| 07/25/2001 | EP1118706A2 Method for removing contaminants from fibers in recycle fiber pulping |
| 07/19/2001 | WO2001051701A1 Method of forming and metering fluff pulp |
| 07/18/2001 | EP1116818A2 Device for mixing pulp suspension |
| 07/18/2001 | EP1116816A1 Method for pulping wastepaper |
| 07/18/2001 | EP1115944A1 Method for preparation of a fibrous stock out of herb-stemmed plants |
| 07/18/2001 | EP1115668A1 Treatment of fibres |
| 07/18/2001 | EP1115667A1 Improvements in or relating to glass fibre |
| 07/18/2001 | EP0929713B1 Separation of solids from aqueous suspensions |
| 07/17/2001 | US6261410 Process for separating compressed material containing paper fibers |
| 07/17/2001 | US6260777 Sieving; mechanical removal of bark from overflow; pneumatically precleaning; optical sorting; separation |
| 07/12/2001 | DE10000181A1 Verfahren zur Auflösung von Altpapier Method for dissolving waste paper |
| 07/05/2001 | US20010006484 Method and apparatus for mixing a second medium with a first medium |