| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 04/06/2006 | CA2579972A1 Multi-layer coated products and curtain coating process for same |
| 04/05/2006 | EP1643034A1 Coater |
| 04/05/2006 | EP1567284A4 Doctor apparatus |
| 04/05/2006 | EP1177345B1 Paper coating composition with improved optical brighteners carriers |
| 04/05/2006 | CN1756874A Method for feeding a treating agent to an application apparatus |
| 04/05/2006 | CN1756872A Wet-process nonwoven fabric and process for producing the same |
| 04/05/2006 | CN1756489A Packaging device and method for absorbing moisture |
| 04/04/2006 | US7022380 Method and apparatus for the high speed application of coating to a traveling paper web |
| 04/04/2006 | US7022185 Apparatus for treating a web of paper or paperboard |
| 03/30/2006 | WO2006032722A1 Method and apparatus for separating impurities from machine circulation of coating station |
| 03/30/2006 | US20060065380 Bicomponent strengthening system for paper |
| 03/30/2006 | US20060065190 Application device |
| 03/30/2006 | DE102004046830A1 Damper to suppress pressure swings in the flow of liquid/paste materials, for coating a paper/cardboard web, divides the flow into paths of unequal lengths for the high and low pressures to be overlaid at the outflow |
| 03/29/2006 | EP1639199A1 Controlled addition of co2 in the wet end of the papermaking process |
| 03/29/2006 | CN1754024A Fibrous structure and process for making same |
| 03/29/2006 | CN1754022A Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio |
| 03/29/2006 | CN1752340A Anti-forge coating white cardboard and producing method thereof |
| 03/28/2006 | US7018680 For paper coating; allowing the web to move between electrodes which are in different potentials, applying the coating powder on the surface of the web by utilizing the difference in the electric potential, and finishing the coated surface of the web |
| 03/28/2006 | US7018475 Device, method and arrangement for pressing two axis-parallel rollers approachable to one another in a device for producing and/or treating a web of material |
| 03/28/2006 | US7017493 Method for treating the surface of a substrate and a device for carrying out said method |
| 03/23/2006 | DE102004045171A1 Verfahren zur Herstellung von ein- und/oder mehrfach gestrichenen Substraten Process for the preparation of single and / or multiple coated substrates |
| 03/23/2006 | DE102004045089A1 Verfahren und Vorrichtung zum Beladen einer Faserstoffsuspension Method and apparatus for loading a fiber suspension |
| 03/23/2006 | DE102004037214A1 Vorrichtung zum direkten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn A device for direct application of a liquid or pasty medium to a moving material web |
| 03/23/2006 | CA2580705A1 Method for the production of single- and/or multiple-coated substrates |
| 03/22/2006 | CN1246527C Manufacture of paper and paperboard |
| 03/21/2006 | US7013526 Equipment and method for changing a blade |
| 03/21/2006 | CA2166696C Production of paper from a suspension with high electrolyte content using non-ionic or anionic retention aids |
| 03/21/2006 | CA2107277C Method and apparatus for two-side coating of a thin printing paper web made of mechanical pulp |
| 03/16/2006 | WO2005124023A8 Apparatus and method for manufacturing security paper |
| 03/16/2006 | US20060057302 Process for coating a web with a coating powder |
| 03/16/2006 | DE102004037660A1 Verfahren zum Auftragen eines flüssigen oder pastösen Auftragsmediums auf eine laufende Papier- oder Kartonbahn und Papier- oder Kartonmaschine zur Durchführung des Verfahrens A method for applying a liquid or pasty application medium to a moving paper or board web and paper or board machine for performing the method |
| 03/16/2006 | DE102004037532A1 Auftragsvorrichtung Application device |
| 03/16/2006 | DE102004037531A1 Scraper blade for paper web coating assembly has a cleaning blade that rotates for presentation to a scraper rider |
| 03/15/2006 | EP1634995A1 Impregnate and process for the production of the same |
| 03/15/2006 | EP1633930A1 Methods for treating fibrous structures |
| 03/15/2006 | CN1245556C Manufacture of paper and paperboard |
| 03/14/2006 | US7012058 amide-substituted quaternary imidazolinium salt, 90% by weight nonionic surfactant, 2% by weight polyhydroxy compound having an average molecular weight in of 92 to 4000; softness, tensile strength |
| 03/14/2006 | US7011729 Improves the dry strength of the paper, spraying on a paper mats, with a starch slurry containing fibers and selectively filtered white water by pressure screen |
| 03/14/2006 | CA2397474C Coating apparatus and coating method of liquid for protection of recorded product, and protection process of recorded product |
| 03/14/2006 | CA2388970C Manufacture of paper and paperboard |
| 03/14/2006 | CA2276424C Processes of making paper and materials for use in this |
| 03/14/2006 | CA2216242C Hydrophilic dispersion polymers for paper applications |
| 03/09/2006 | WO2006025362A1 Household sanitary tissue, and method and apparatus for production thereof |
| 03/09/2006 | WO2006024571A1 Method and device for the production of a coated lwc paper web |
| 03/09/2006 | DE102005032988A1 Kühlsystem und -verfahren für eine Papierbeschichtungsvorrichtung einer Papierbeschichtungsapparatur Cooling system and method for a paper coating apparatus of a paper coating apparatus |
| 03/08/2006 | CN2763333Y Anti-counterfeit coated ivory board |
| 03/08/2006 | CN1745216A Equipment and method for changing a blade in a coating device |
| 03/08/2006 | CN1743549A Method for making high-glass paper for metal vapour plating |
| 03/08/2006 | CN1743548A Method of making paper with whole-image surface |
| 03/07/2006 | US7008507 Applying composition to nonwoven web using ink jet printer as droplets that remain as discrete shapes; paper and tissue webs |
| 03/02/2006 | WO2006021615A1 Beam construction and method for manufacturing the same |
| 03/02/2006 | DE102004041537A1 Verfahren und Vorrichtung zum Herstellen einer gestrichenen LWC-Papierbahn Method and apparatus for producing a coated LWC paper web |
| 03/02/2006 | CA2575408A1 Beam construction and method for manufacturing the same |
| 03/01/2006 | EP1629153A2 Method and apparatus in the surface sizing of a paper or board web |
| 03/01/2006 | EP1238160B1 Manufacture of paper and paperboard |
| 03/01/2006 | CN1740442A Paper pulp molding process for making paper pop-top |
| 02/23/2006 | DE10296510T5 Verfahren in Verbindung mit der Herstellung von Papier oder Pappe und ein demgemäss hergestelltes Papier oder eine Pappe Procedures in connection with the manufacture of paper or cardboard and accordingly made paper or paperboard |
| 02/23/2006 | DE102004039162A1 Vorrichtung zum Beschichten von Papier- und Kartonbahnen A device for coating paper and cardboard webs |
| 02/23/2006 | DE102004038759A1 Papermaking machine with jet- or spray coating unit for e.g. starch solution, includes provisions for cleaning and avoiding contamination of machine assembly |
| 02/23/2006 | DE102004037535A1 Paper web liquid or paste coating assembly has rotating drum with a direct coating station with variable angle of web presentation |
| 02/23/2006 | DE102004037534A1 Vorrichtung zum Aufbringen eines flüssigen bis pastösen Mediums auf einen laufenden Untergrund Apparatus for applying a liquid to pasty medium to a moving substrate |
| 02/22/2006 | EP1627108A2 Single ply tissue products surface treated with a softening agent |
| 02/22/2006 | CN1738942A Composite-construction treatment equipment |
| 02/22/2006 | CN1243153C Colour difference control technology of for producing colour paper |
| 02/16/2006 | US20060032595 Method of making a paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process |
| 02/16/2006 | US20060032436 Cooling system and method for a paper coating device in a papermaking apparatus |
| 02/16/2006 | DE102004036277A1 Maschine zur Herstellung einer Faserstoffbahn mit mindestens einer Vorrichtung zum Aufbringen eines Auftragsmediums Machine for producing a fibrous web with at least one apparatus for applying a coating medium |
| 02/16/2006 | DE102004036276A1 Verfahren und Vorrichtung zum Aufbringen eines Auftragmediums in einer Maschine zur Herstellung einer Faserstoffbahn Method and apparatus for applying a coating medium in a machine for producing a fibrous web |
| 02/16/2006 | DE102004033802A1 Process and assembly to condition cardboard, paper or tissue paper with concentrated starch solution applied by contact felt and press nip |
| 02/15/2006 | EP1516087B1 Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard |
| 02/14/2006 | US6998016 Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process |
| 02/14/2006 | CA2198045C Procedure for adding a filter into a pulp based on cellulose fibres |
| 02/09/2006 | WO2006013173A2 Method for applying a liquid or pasty application medium to a continuous paper or cardboard web, and paper or cardboard machine for carrying out said method |
| 02/09/2006 | US20060030707 Fluorescent whitening agent, for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials |
| 02/09/2006 | US20060027349 Strength additives for tissue products |
| 02/09/2006 | US20060027348 Method for producing paper or board and a product produced by the method |
| 02/09/2006 | DE112004000415T5 Verfahren zur Herstellung von beschichtetem Papier oder Pappe A method for producing coated paper or paperboard |
| 02/09/2006 | CA2734074A1 Process for producing sandwich structures with particulate material pattern |
| 02/08/2006 | EP1624107A1 Device for applying a liquid or paste-like medium to a moving web |
| 02/08/2006 | EP1624106A1 Coating device |
| 02/08/2006 | EP1623071A1 Water-resistant, repulpable, hydrophilic and soft touch paper |
| 02/08/2006 | EP1623070A1 A process for the production of paper |
| 02/08/2006 | CN1732312A Copolymer latex for noncontact coating and composition comprising the same, and coated paper and method for production thereof |
| 02/08/2006 | CN1240906C Process for coating substrate |
| 02/08/2006 | CN1240904C Lotioned and embossed tissuepaper |
| 02/08/2006 | CN1240903C Method for manufacturing paper with constant filler content |
| 02/07/2006 | US6995117 Laminated paper substrate comprising a data recording heat sensitive layer, and a pigmented intermediate layer having regions of different thickness and greater thickness at security watermarks; inkjet printing, thermography |
| 02/07/2006 | US6994771 Method and apparatus for handling a paper or board web |
| 02/02/2006 | WO2006010927A2 Curtain coating process using a high solids content composition, and coated product |
| 02/02/2006 | WO2006010755A1 Machine for producing a fiber web, comprising at least one device for applying a coating medium |
| 02/02/2006 | WO2006010747A1 Method and device for applying a coating medium in a machine used for producing a fiber web |
| 02/02/2006 | CA2575431A1 Polymeric boronic acid derivatives and their use for papermaking |
| 02/02/2006 | CA2572813A1 Curtain coating process using a high solids content composition, and coated product |
| 02/01/2006 | EP1621669A1 Apparatus for the direct application of a liquid or pasty medium on a continuously moving material web |
| 02/01/2006 | EP1620604A1 Method for producing coated paper with pearlescent effect |
| 02/01/2006 | EP1620603A1 A process for preparing sized paper and paperboard |
| 02/01/2006 | CN1727137A Fabricating method of decorative board and decorative board made by the same |
| 01/26/2006 | WO2006009445A1 Coated base paper |
| 01/26/2006 | WO2006008336A1 Curtain coater unit and curtain coating method |
| 01/26/2006 | WO2006008333A2 Method and apparatus for feeding chemicals into a process liquid flow |