| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 05/12/2005 | US20050098291 Apparatus for paper making and paper surface enhancement |
| 05/12/2005 | US20050098288 Starch and fiber mixture for papermaking and methods of making paper with the mixture |
| 05/12/2005 | US20050098285 paper apparatus for treating paper or paperboard comprising dispensers, dryers and web smootheners |
| 05/12/2005 | US20050098284 increasing the absorbency of the surface paper or paperboard by corona treatment, flame treatment, ozonization or by steaming, then wetting the surface before calendering, or coating the web in surface sizing or pigmenting; finishing |
| 05/12/2005 | US20050098066 Use of colloidal PCC |
| 05/12/2005 | DE10392558T5 Verfahren und Vorrichtung zur Messung der Strichmenge auf einer Papierbahn Method and apparatus for measuring the amount of coating on a paper web |
| 05/12/2005 | CA2543609A1 Process for making abrasion resistant paper and paper and paper products made by the process |
| 05/12/2005 | CA2543015A1 Water dispersible products |
| 05/12/2005 | CA2542095A1 Mixtures of solids, consisting of a reactive sizing agent and starch, method for producing said mixtures and use thereof |
| 05/11/2005 | EP1529133A1 Method for the production of paper, paperboard, and cardboard |
| 05/10/2005 | CA2123633C Flotation coating device for travelling webs |
| 05/06/2005 | WO2005040497A1 Spray coating unit and method of spray coating |
| 05/06/2005 | WO2004092483A3 Papers for liquid electrophotographic printing and method for making same |
| 05/04/2005 | CN1199856C Aqueous silica-based sols and its preparing method and use |
| 05/03/2005 | US6887584 A release agent may be applied on one side of a kraft paper sheet and phenolic resin on the other side, thereby eliminating the need of use of release sheets in lamination |
| 05/03/2005 | US6887351 Process for regulating the porosity and printing properties of paper by use of colloidal precipitated calcium carbonate, and paper containing such colloidal precipitated calcium carbonate |
| 05/03/2005 | US6887312 Applicator |
| 04/28/2005 | WO2005038133A1 Additive for reducing paper linting and dusting |
| 04/28/2005 | US20050089651 Method for producing coated paper for printing |
| 04/28/2005 | US20050089641 Method and apparatus for making a multilayer coating |
| 04/28/2005 | US20050086828 Process for producing dried, singulated fibers using steam and heated air |
| 04/28/2005 | CA2541515A1 Additive for reducing paper linting and dusting |
| 04/27/2005 | EP1448384A4 Method for extrusion coating a lightweight web |
| 04/21/2005 | WO2005035872A1 Method for producing paper, paperboard and cardboard |
| 04/21/2005 | CA2540117A1 Method for producing paper, paperboard and cardboard |
| 04/20/2005 | CN1197659C 唇口涂敷型涂敷装置 Lip coating applicator device |
| 04/14/2005 | WO2005033406A1 Drip tray |
| 04/14/2005 | WO2005033403A1 Preparation of a composition comprising an alkaline earth metal oxide and a substrate having a reduced amount of grit |
| 04/14/2005 | WO2005032704A1 Method and apparatus for feeding chemical into a liquid flow |
| 04/14/2005 | WO2004071871A3 Packaging device and method for absorbing moisture |
| 04/14/2005 | US20050079292 Grooved backing roller for coating |
| 04/14/2005 | US20050077022 Phosphate esters mixture is added to a fiber pulp during the papermaking process |
| 04/14/2005 | DE20122330U1 Konstruktion zur Papierkonservierung Design for paper conservation |
| 04/14/2005 | DE10345813A1 Auffangwanne Drip pan |
| 04/13/2005 | EP1522629A1 Coated paper for printing |
| 04/13/2005 | EP1521681A1 Papers for use in decorative laminates and methods of making the same |
| 04/13/2005 | CN1196833C Composite blade and its manufacture |
| 04/13/2005 | CN1196532C Method and apparatus for spreading treating agent on moving web |
| 04/12/2005 | CA2258569C Process for producing paper and cardboard |
| 04/07/2005 | US20050072541 Sizing method for board |
| 04/07/2005 | DE10343052A1 Modification of coating machine used in papermaking industry, for direct coating of fluid- or viscous liquid, removes non-contacting dryer for replacement by curtain-coating equipment |
| 04/07/2005 | DE10343038A1 Half-duplex coating method of paper web, involves applying application medium with high application quantity on one surface of web, at one application step using curtain application unit without contacting web |
| 04/07/2005 | DE10343023A1 Mischsystem für Farbkomponenten und Verfahren zur Herstellung von gestrichenem Papier oder Karton Mixing system for color components and method for producing coated paper or board |
| 04/07/2005 | DE10343022A1 Kontinuierliche Streichfarbenaufbereitung Continuous coating color preparation |
| 04/07/2005 | DE10343021A1 Producing decorative paper with a pigment coating, useful for making decorative laminates, comprises contactless application of an aqueous color coating composition onto a coating base paper by curtain coating |
| 04/07/2005 | DE10342313A1 Auftragsvorrichtung Application device |
| 04/06/2005 | EP1520073A1 Triazinnylaminostilbene disulphonic acid mixtures |
| 04/06/2005 | EP1520070A1 Bleaching of lignin and process for producing paper |
| 04/06/2005 | EP1519836A1 Process for applying a layer of branched polyamide to a substrate |
| 04/05/2005 | US6875308 Method of making foam coated mat online |
| 03/31/2005 | WO2005028751A1 Method for producing surface sized paper or cardboard web |
| 03/31/2005 | WO2005028750A1 Method and device for producing decorative paper and the use thereof |
| 03/31/2005 | US20050069635 Such as a paper or cardboard web, using a temporary protective coating of an antisticking agent such as polytetrafluoroethylene to prevent dirt build up; performance and efficiency, e.g. avoidance of unintentional web breaks due to dirt build |
| 03/31/2005 | US20050066889 Method and apparatus for feeding a treating agent onto a moving surface |
| 03/31/2005 | DE10340486A1 Verfahren zum Aufbringen eines stärkehaltigen Auftragsmediums auf eine Faserstoffbahn A method of applying a starch-containing coating medium to a fibrous web |
| 03/30/2005 | EP1518962A2 Apparatus for preparing coating colours |
| 03/30/2005 | EP1518025A2 Strong and dispersible paper products |
| 03/30/2005 | EP1518023A2 Machine for treating a sheet of material, preferably made of paper or cardboard, and for optionally producing said sheet of material prior to the treatment thereof, comprising a contactless application device and a material-smoothing device |
| 03/30/2005 | EP1518022A2 Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit |
| 03/30/2005 | EP1518021A1 Anionic functional promoter and charge control agent |
| 03/30/2005 | EP1517787A1 A method for manufacturing laminated hd (high-density) paper with good oxygen-barrier properties, and hd paper obtained thereby |
| 03/30/2005 | CN1602377A Method for finishing board |
| 03/30/2005 | CN1600987A Method for raising rate of retaining paper stock |
| 03/29/2005 | US6872282 Applying to surfaces of hydrophylic sheets mixtures of water, polyethylene glycol, adjuvants selected from colors, optical brighteners, wet strength, antifoam agents, microbiocides, or buffers, then smoothing and drying |
| 03/29/2005 | CA2053964C Wet-formed absorbent composite |
| 03/24/2005 | WO2005025759A2 Applicator device |
| 03/24/2005 | WO2004109015A3 Method and apparatus in the surface sizing of a paper or board web |
| 03/24/2005 | US20050064099 System for production-line printing on wet web material |
| 03/24/2005 | US20050061461 Production of paper board and cardboard |
| 03/24/2005 | US20050061432 Heat and pressure consolidated press packs; arranging thermosetting synthetic resin-impregnated fibrous core sheets in superimposed relationship into stacks, separating with release sheet comprising cellulosic-based paper substrate with water-soluble multivalent salt, then coating with alginic acid film |
| 03/23/2005 | EP1516960A1 Process for coating a fibrous web |
| 03/23/2005 | EP1516959A1 Process for applying a coating composition comprising a high content of solids onto a web |
| 03/23/2005 | EP1516958A1 Mixing system |
| 03/23/2005 | EP1516087A2 Device for coating and drying the front and back of a web, particularly one consisting of paper or cardboard |
| 03/22/2005 | US6869639 Film coater and smoothing method and apparatus |
| 03/22/2005 | US6869031 Spraying nozzle for rewet showers |
| 03/17/2005 | WO2005024133A1 Arrangement in a nozzle beam for a fibrous web coating apparatus |
| 03/17/2005 | WO2005024132A1 Paper/board web coating apparatus |
| 03/17/2005 | WO2005024131A1 Method for applying an application medium containing starch onto a web of fibrous material |
| 03/17/2005 | WO2005023945A2 Improved pvoh barrier performance on substrates |
| 03/17/2005 | WO2004001132A8 Machine for the treatment of a web of material, comprising a contactless application device and a material-smoothing device |
| 03/17/2005 | WO2004001131A8 Machine for producing and treating a sheet of material, comprising an application device that is provided with at least one contactless application unit |
| 03/17/2005 | US20050056391 Papers having borate-based complexing and method of making same |
| 03/17/2005 | CA2531021A1 Water resistant ink jet printable sheet |
| 03/16/2005 | CN1594733A Cleaning paper for lens, eyeglass and glass |
| 03/10/2005 | US20050051084 Method and apparatus for the high speed application of coating to a traveling paper web |
| 03/09/2005 | CN1589625A Process for preparing biocide formulations |
| 03/08/2005 | US6863921 Process and apparatus for manufacturing fiber and fiber sheet carrying solid particles and fiber and fiber sheet carrying solid particles |
| 03/08/2005 | US6863919 Method for controlling the moisture of a web in machine direction on a coating machine |
| 03/08/2005 | US6862819 System for producing dried singulated cellulose pulp fibers using a jet drier and injected steam |
| 03/08/2005 | CA2233855C Method and apparatus for coating a moving paper or cardboard web |
| 03/08/2005 | CA2148505C Method and apparatus for coating paper or the like |
| 03/03/2005 | US20050048300 Method for increasing moisture content in extrusion coated paperboard |
| 03/03/2005 | US20050048207 surfaces treatment of natural polymers such as polysaccharides or proteins by oxidizing their surfaces and contacting with amines, multifunctional amino-silanes or polyamines, improve their ability to interact with other materials; wettability; bonding strength |
| 03/03/2005 | DE19604907B4 Verfahren zur Herstellung von hoch-abriebfesten Deckschichten Process for the preparation of highly abrasion-resistant outer layers |
| 03/03/2005 | DE10335751A1 Verfahren zum Beladen einer Faserstoffsuspension und Anordnung zur Durchführung des Verfahrens A method for loading a fiber suspension and arrangement for performing the method |
| 03/02/2005 | EP1509654A1 Method for manufacturing base paper for release paper |
| 03/02/2005 | EP1339916B1 A method for manufacturing paper with a constant filler content |
| 03/02/2005 | CN1589351A Process for sizing paper and sizing composition |
| 03/02/2005 | CN1587514A Tetiary flow-aid and filter-aid method for high speed newspaper machine |