| Patents for D21H 23 - Processes or apparatus for adding material to the pulp or to the paper (8,452) |
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| 07/09/2008 | EP1942226A1 A paper product comprising a polyvinylamine polymer |
| 07/09/2008 | EP1941100A1 Multi-layered paper and a process for preparing it |
| 07/09/2008 | CN101214751A On-line cutting method of coating machine or compounding machine |
| 07/09/2008 | CN100400748C Method for producing coating groundmass |
| 07/08/2008 | US7396593 Single ply tissue products surface treated with a softening agent |
| 07/08/2008 | CA2355621C Latex coat thickness measuring and control apparatus |
| 07/03/2008 | US20080156449 preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more "hydrophobic polymers" wherein hydrophobic polymers, the amount of such polymers and the weight ratio of starch to such polymer in the composition |
| 07/03/2008 | DE112006002157T5 Verfahren und Anordnung zur Verbesserung der Verwendbarkeit einer gleitbeschickten Vorhangstreicheinrichtung und zur Verringerung des Verlustes von Streichwerkstoffen Method and apparatus for improving the usability of a gleitbeschickten curtain coater and reduce the loss of coating materials |
| 06/25/2008 | CN101205693A Coated newsprint paper |
| 06/25/2008 | CN100396850C Located multicolour anti false coated white paperboard and production process thereof |
| 06/25/2008 | CN100396849C Controlled addition of co2 in the wet end of the papermaking process |
| 06/24/2008 | US7390557 Method for coating a web of paper or paperboard and a coated paper grade |
| 06/19/2008 | WO2008071216A1 Applicator mechanism for applying a highly abrasive coating material to a moving carrier web |
| 06/19/2008 | DE20122841U1 Anordnung zum gegenseitigen Andrücken zweier aneinander annäherbarer achsparalleler Walzen Arrangement for mutual pressing of two adjacent annäherbarer axially parallel rollers |
| 06/19/2008 | DE102006059544A1 Double-sided coating and smoothing of paper-, cardboard- or other fibrous material web in a machine for its production and/or refinement, by coating first- and second side of material web and smoothing the sides of the material web |
| 06/18/2008 | EP1931827A1 Method for producing a sheet of fibrous material comprising localized portions of fibrous material |
| 06/18/2008 | CN101203644A Method of producing a fibrous web |
| 06/18/2008 | CN100394872C Cigarette having reduced sidestream smoke |
| 06/17/2008 | US7387703 e.g. as backing papers for adhesive labels; multinip calender |
| 06/12/2008 | WO2008068659A2 Process for increasing the basis weight of sheet materials |
| 06/12/2008 | WO2008068652A2 Process for increasing the basis weight of sheet materials |
| 06/12/2008 | US20080135196 Protecting Device For Spraying Equipment and Method of Protecting it and Its Surroundings |
| 06/12/2008 | DE102006057870A1 Multilevel application of liquid or pasty medium on a moving paper-, cardboard- or other fibrous material web, comprises applying a film of a first application medium by a nozzle applicator and a further film of a second application medium |
| 06/11/2008 | EP1928644A1 Blade, structural components op a blade, and method for manufacturing a blade and the structural components of a blade |
| 06/11/2008 | EP1680545A4 Process for making abrasion resistant paper and paper and paper products made by the process |
| 06/11/2008 | CN100393940C Preparation method of anti-counterfeit paper within feature material and feeding device for feature material |
| 06/05/2008 | WO2007087345A3 Oxidative treatment method |
| 06/05/2008 | US20080128103 Paper, board, fiber web; mixture is spread from spray nozzles onto both sides of the web before it enters the press nip; sizing, pigmentation, coating; processing of a web by calendering |
| 06/05/2008 | DE202008004114U1 Auftragsvorrichtung Application device |
| 06/04/2008 | EP1644579B1 Paper production with modified silica gels as microparticles |
| 06/04/2008 | CN101191315A Directly plating printing method for cigarette package paper |
| 06/04/2008 | CN100392184C Flying connecting joint for high speed coating machine and manufacturing method thereof |
| 06/04/2008 | CN100392181C Copolymer latex for noncontact coating and composition comprising the same, and coated paper and method for production thereof |
| 06/03/2008 | CA2511375C Composite-construction treatment equipment |
| 06/03/2008 | CA2351866C Silicone coat thickness measuring and control apparatus |
| 05/29/2008 | DE102007025197A1 Fluid or paste application device for running material web has carrier element made of extruded aluminum strip |
| 05/29/2008 | DE102006008760B4 Anordnung zur Zuführung von Stoffkomponenten in eine Papiermaschine Arrangement for feeding material components in a paper machine |
| 05/28/2008 | EP1423444B1 Amphoteric polymer resins that increase the rate of sizing development |
| 05/28/2008 | CN101187186A Carbon-coating wall paper and its production method |
| 05/28/2008 | CN101186522A Reversal dipping and dyeing method |
| 05/28/2008 | CN100390355C Curtain coater unit of a paper/board machine |
| 05/27/2008 | US7377997 Fibrous structure comprising a fiber flexibilizing agent system |
| 05/22/2008 | WO2008061003A1 Novel wax emulsion coating applications |
| 05/21/2008 | DE20122839U1 Vorrichtung zum gegenseitigen Andrücken zweier Walzen in einem Streichwerk Apparatus for mutual pressing of two rolls in a coater |
| 05/21/2008 | CN101182694A Special type latex paper production method |
| 05/21/2008 | CN101182693A Method capable of stabilizing paper stuff whiteness |
| 05/21/2008 | CN101182690A Inorganic silver-impregnated antibiotic zeolite microparticles retention agent, method of producing the same and applications |
| 05/20/2008 | CA2365989C Method and apparatus for handling a paper or board web |
| 05/15/2008 | WO2008035368A3 Core board |
| 05/14/2008 | EP1920112A1 Device and method for coating |
| 05/14/2008 | EP1920110A1 Fibrous wiping products |
| 05/14/2008 | CN101180437A Multi-ply paper towel with absorbent core |
| 05/14/2008 | CN101180436A Method for producing paper, paperboard and cardboard in the presence of water-swellable polymers |
| 05/14/2008 | CN100387775C Wearable papermaking coating scraper |
| 05/08/2008 | WO2008054297A1 A method for determining brightness of paper pulp |
| 05/08/2008 | WO2008034939B1 Functionalized cellulose - carbon nanotube nanocomposites and hybride materials |
| 05/08/2008 | US20080107912 wet-on-wet one pass multi-layer curtain coating for producing coated products suitable for printing on; a low-coat layer, preferably pigmented, having printing possibly optical properties, a different top-coat layer of optical pigments for optical effect properties; high gloss, iridescent effect |
| 05/08/2008 | DE102006052687A1 Multiple coating of a moving web, of paper/cardboard, uses a slide die applicator for the under coating and a curtain coater with a different medium for the upper coating |
| 05/07/2008 | EP1918456A1 Method of producing a fibrous web containing fillers |
| 05/07/2008 | EP1918455A1 Method of producing paper and board |
| 05/07/2008 | EP1392918B1 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 |
| 05/07/2008 | CN101173489A Titanium dioxide adding method in plain shade decorating base paper production |
| 05/06/2008 | US7367592 Marking substance and security markings for testing the authenticity of documents |
| 05/02/2008 | WO2008049748A1 A process for improving paper strength |
| 05/02/2008 | CA2667432A1 A process for improving paper strength |
| 04/30/2008 | DE20122838U1 Auftragsvorrichtung Application device |
| 04/29/2008 | US7364774 Method of producing a multilayer coated substrate having improved barrier properties |
| 04/24/2008 | WO2008025479A3 Curtain coating method and a device used for said purpose |
| 04/24/2008 | US20080096002 Coated Paper Product and Method and Apparatus for Manufacturing Thereof |
| 04/23/2008 | EP1914345A1 Process for coating substrates with polyvinylacetal using curtain coating |
| 04/23/2008 | CN100383337C Preparation method of paper cushion for protecting stainless steel |
| 04/17/2008 | WO2008045770A2 Method of producing absorbent sheet with increased wet/dry cd tensile ratio |
| 04/17/2008 | US20080090032 Method of Producing Decorative Paper and Decorative Laminate Comprising Such Decorative Paper |
| 04/17/2008 | US20080087216 Film coater method and apparatus |
| 04/16/2008 | CN101161932A Cardboard thickening agent and manufacturing method and uses thereof |
| 04/16/2008 | CN100381637C Preparation method of thermostable paper cushion for protecting stainless steel |
| 04/15/2008 | CA2291172C Coating grade polyactide and coated paper, preparation and uses thereof, and articles prepared therefrom |
| 04/15/2008 | CA2282907C Fluid material application system employing tube-in-hose heat exchanger |
| 04/10/2008 | WO2008041857A1 Roller coating system for web based substrates |
| 04/10/2008 | WO2008040852A1 Method and arrangement for controlling the drying of a coated or surface-sized fibrous web |
| 04/10/2008 | WO2008040851A1 Method and arrangement for determining the amount of coating agent in individual coating agent layers in multilayer curtain coating |
| 04/10/2008 | WO2008040850A1 Method and arrangement in connection with curtain coating a fibrous web |
| 04/10/2008 | US20080083519 Method of Producing Absorbent Sheet with Increased Wet/Dry CD Tensile Ratio |
| 04/10/2008 | US20080083369 Process and apparatus for manufacturing fiber and fiber sheet carrying solid particles and fiber and fiber sheet carrying solid particles |
| 04/10/2008 | DE102007047307A1 To improve the drying and printability of a paper web it is coated by film coating, in one or more layers, and dried at a structured heat level |
| 04/10/2008 | DE102007047108A1 Film coating of paper webs, and the like, has guide surfaces at the edge bars to control the mass of the coating layers by setting the surface energy against the coating film surface tension |
| 04/09/2008 | EP1908878A1 Process for producing coated paper and coated paper |
| 04/09/2008 | EP1425472B1 Method of improving retention and drainage in a papermaking process using a diallyl -n, n-disubstituted ammonium halide/acrylamide copolymer and a structurally modified cationic polymer |
| 04/09/2008 | CN101158132A Non-bubble applying technique |
| 04/09/2008 | CN101158130A Applying liquid for digit design paper and process for preparing digit design paper by employing the same |
| 04/09/2008 | CN100379924C Method for making high-glass paper for metal vapour plating |
| 04/09/2008 | CN100379923C White pitch deposit treatment method |
| 04/08/2008 | US7354503 Fire retardant composite panel product and a method and system for fabricating same |
| 04/08/2008 | CA2495006C Methods for modifying electrical properties of papermaking compositions using carbon dioxide |
| 04/08/2008 | CA2335627C Method and arrangement for calendering paper and board before and after coating |
| 04/03/2008 | WO2008037843A1 Method of coating a fibrous web with a curtain coater |
| 04/03/2008 | US20080078514 Treat cellulose fibers with carboxyalkyl cellulose polymers, carboxyalkyl starch polymers, alginates, chitosans, starches; hydrophilic galactomannan, glucomannan, alginic acids, carageenans polysaccharide polymer with a transition metal crosslinking agent in water |
| 04/03/2008 | DE102006044822A1 Verfahren zur Herstellung einer beschichteten Papier-, Karton- oder anderen Faserstoffbahn A process for producing a coated paper, board or other fibrous web |
| 04/02/2008 | EP1419298B8 Method for production of coated paper with extreme whiteness |
| 04/01/2008 | US7351308 Paper products having a tropical composition applied in discrete droplets |